diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-22 20:33:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-22 20:33:38 -0700 |
| commit | efdfce2b7ff3205ba0fba10270b92b80bbc6187d (patch) | |
| tree | 6275099128c1e228b79dc0923ae936c24ea5a36f /arch/ia64 | |
| parent | df68770983b7010ab01e68a21ef67fc034715701 (diff) | |
| parent | e55645ec5725a33eac9d6133f3bce381af1e993d (diff) | |
| download | op-kernel-dev-efdfce2b7ff3205ba0fba10270b92b80bbc6187d.zip op-kernel-dev-efdfce2b7ff3205ba0fba10270b92b80bbc6187d.tar.gz | |
Merge tag 'please-pull-paravirt' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 paravirt removal from Tony Luck:
"Nobody cares about paravirtualization on ia64 anymore"
* tag 'please-pull-paravirt' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
ia64: remove paravirt code
Diffstat (limited to 'arch/ia64')
33 files changed, 68 insertions, 3317 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 76d25b2..42a91a7 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -137,29 +137,6 @@ config AUDIT_ARCH bool default y -menuconfig PARAVIRT_GUEST - bool "Paravirtualized guest support" - depends on BROKEN - help - Say Y here to get to see options related to running Linux under - various hypervisors. This option alone does not add any kernel code. - - If you say N, all options in this submenu will be skipped and disabled. - -if PARAVIRT_GUEST - -config PARAVIRT - bool "Enable paravirtualization code" - depends on PARAVIRT_GUEST - default y - help - This changes the kernel so it can modify itself when it is run - under a hypervisor, potentially improving performance significantly - over full virtualization. However, when run without a hypervisor - the kernel is theoretically slower and slightly larger. - -endif - choice prompt "System type" default IA64_GENERIC diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h index 668786e..74347eb 100644 --- a/arch/ia64/include/asm/hw_irq.h +++ b/arch/ia64/include/asm/hw_irq.h @@ -15,11 +15,7 @@ #include <asm/ptrace.h> #include <asm/smp.h> -#ifndef CONFIG_PARAVIRT typedef u8 ia64_vector; -#else -typedef u16 ia64_vector; -#endif /* * 0 special @@ -114,15 +110,11 @@ DECLARE_PER_CPU(int[IA64_NUM_VECTORS], vector_irq); extern struct irq_chip irq_type_ia64_lsapic; /* CPU-internal interrupt controller */ -#ifdef CONFIG_PARAVIRT_GUEST -#include <asm/paravirt.h> -#else #define ia64_register_ipi ia64_native_register_ipi #define assign_irq_vector ia64_native_assign_irq_vector #define free_irq_vector ia64_native_free_irq_vector #define register_percpu_irq ia64_native_register_percpu_irq #define ia64_resend_irq ia64_native_resend_irq -#endif extern void ia64_native_register_ipi(void); extern int bind_irq_vector(int irq, int vector, cpumask_t domain); diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h index 20477ea..ec970a9 100644 --- a/arch/ia64/include/asm/intrinsics.h +++ b/arch/ia64/include/asm/intrinsics.h @@ -7,19 +7,6 @@ #ifndef _ASM_IA64_INTRINSICS_H #define _ASM_IA64_INTRINSICS_H -#include <asm/paravirt_privop.h> #include <uapi/asm/intrinsics.h> -#ifndef __ASSEMBLY__ -#if defined(CONFIG_PARAVIRT) -# undef IA64_INTRINSIC_API -# undef IA64_INTRINSIC_MACRO -# ifdef ASM_SUPPORTED -# define IA64_INTRINSIC_API(name) paravirt_ ## name -# else -# define IA64_INTRINSIC_API(name) pv_cpu_ops.name -# endif -#define IA64_INTRINSIC_MACRO(name) paravirt_ ## name -#endif -#endif /* !__ASSEMBLY__ */ #endif /* _ASM_IA64_INTRINSICS_H */ diff --git a/arch/ia64/include/asm/iosapic.h b/arch/ia64/include/asm/iosapic.h index 94c89a2..4ae1fbd 100644 --- a/arch/ia64/include/asm/iosapic.h +++ b/arch/ia64/include/asm/iosapic.h @@ -55,14 +55,10 @@ #define NR_IOSAPICS 256 -#ifdef CONFIG_PARAVIRT_GUEST -#include <asm/paravirt.h> -#else #define iosapic_pcat_compat_init ia64_native_iosapic_pcat_compat_init #define __iosapic_read __ia64_native_iosapic_read #define __iosapic_write __ia64_native_iosapic_write #define iosapic_get_irq_chip ia64_native_iosapic_get_irq_chip -#endif extern void __init ia64_native_iosapic_pcat_compat_init(void); extern struct irq_chip *ia64_native_iosapic_get_irq_chip(unsigned long trigger); diff --git a/arch/ia64/include/asm/module.h b/arch/ia64/include/asm/module.h index dfba22a..f31894b 100644 --- a/arch/ia64/include/asm/module.h +++ b/arch/ia64/include/asm/module.h @@ -18,12 +18,6 @@ struct mod_arch_specific { struct elf64_shdr *got; /* global offset table */ struct elf64_shdr *opd; /* official procedure descriptors */ struct elf64_shdr *unwind; /* unwind-table section */ -#ifdef CONFIG_PARAVIRT - struct elf64_shdr *paravirt_bundles; - /* paravirt_alt_bundle_patch table */ - struct elf64_shdr *paravirt_insts; - /* paravirt_alt_inst_patch table */ -#endif unsigned long gp; /* global-pointer for module */ void *core_unw_table; /* core unwind-table cookie returned by unwinder */ diff --git a/arch/ia64/include/asm/native/inst.h b/arch/ia64/include/asm/native/inst.h index d2d46ef..7e08f17 100644 --- a/arch/ia64/include/asm/native/inst.h +++ b/arch/ia64/include/asm/native/inst.h @@ -22,32 +22,6 @@ #define DO_SAVE_MIN IA64_NATIVE_DO_SAVE_MIN -#define __paravirt_switch_to ia64_native_switch_to -#define __paravirt_leave_syscall ia64_native_leave_syscall -#define __paravirt_work_processed_syscall ia64_native_work_processed_syscall -#define __paravirt_leave_kernel ia64_native_leave_kernel -#define __paravirt_pending_syscall_end ia64_work_pending_syscall_end -#define __paravirt_work_processed_syscall_target \ - ia64_work_processed_syscall - -#define paravirt_fsyscall_table ia64_native_fsyscall_table -#define paravirt_fsys_bubble_down ia64_native_fsys_bubble_down - -#ifdef CONFIG_PARAVIRT_GUEST_ASM_CLOBBER_CHECK -# define PARAVIRT_POISON 0xdeadbeefbaadf00d -# define CLOBBER(clob) \ - ;; \ - movl clob = PARAVIRT_POISON; \ - ;; -# define CLOBBER_PRED(pred_clob) \ - ;; \ - cmp.eq pred_clob, p0 = r0, r0 \ - ;; -#else -# define CLOBBER(clob) /* nothing */ -# define CLOBBER_PRED(pred_clob) /* nothing */ -#endif - #define MOV_FROM_IFA(reg) \ mov reg = cr.ifa @@ -70,106 +44,76 @@ mov reg = cr.iip #define MOV_FROM_IVR(reg, clob) \ - mov reg = cr.ivr \ - CLOBBER(clob) + mov reg = cr.ivr #define MOV_FROM_PSR(pred, reg, clob) \ -(pred) mov reg = psr \ - CLOBBER(clob) +(pred) mov reg = psr #define MOV_FROM_ITC(pred, pred_clob, reg, clob) \ -(pred) mov reg = ar.itc \ - CLOBBER(clob) \ - CLOBBER_PRED(pred_clob) +(pred) mov reg = ar.itc #define MOV_TO_IFA(reg, clob) \ - mov cr.ifa = reg \ - CLOBBER(clob) + mov cr.ifa = reg #define MOV_TO_ITIR(pred, reg, clob) \ -(pred) mov cr.itir = reg \ - CLOBBER(clob) +(pred) mov cr.itir = reg #define MOV_TO_IHA(pred, reg, clob) \ -(pred) mov cr.iha = reg \ - CLOBBER(clob) +(pred) mov cr.iha = reg #define MOV_TO_IPSR(pred, reg, clob) \ -(pred) mov cr.ipsr = reg \ - CLOBBER(clob) +(pred) mov cr.ipsr = reg #define MOV_TO_IFS(pred, reg, clob) \ -(pred) mov cr.ifs = reg \ - CLOBBER(clob) +(pred) mov cr.ifs = reg #define MOV_TO_IIP(reg, clob) \ - mov cr.iip = reg \ - CLOBBER(clob) + mov cr.iip = reg #define MOV_TO_KR(kr, reg, clob0, clob1) \ - mov IA64_KR(kr) = reg \ - CLOBBER(clob0) \ - CLOBBER(clob1) + mov IA64_KR(kr) = reg #define ITC_I(pred, reg, clob) \ -(pred) itc.i reg \ - CLOBBER(clob) +(pred) itc.i reg #define ITC_D(pred, reg, clob) \ -(pred) itc.d reg \ - CLOBBER(clob) +(pred) itc.d reg #define ITC_I_AND_D(pred_i, pred_d, reg, clob) \ (pred_i) itc.i reg; \ -(pred_d) itc.d reg \ - CLOBBER(clob) +(pred_d) itc.d reg #define THASH(pred, reg0, reg1, clob) \ -(pred) thash reg0 = reg1 \ - CLOBBER(clob) +(pred) thash reg0 = reg1 #define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1) \ ssm psr.ic | PSR_DEFAULT_BITS \ - CLOBBER(clob0) \ - CLOBBER(clob1) \ ;; \ srlz.i /* guarantee that interruption collectin is on */ \ ;; #define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1) \ ssm psr.ic \ - CLOBBER(clob0) \ - CLOBBER(clob1) \ ;; \ srlz.d #define RSM_PSR_IC(clob) \ - rsm psr.ic \ - CLOBBER(clob) + rsm psr.ic #define SSM_PSR_I(pred, pred_clob, clob) \ -(pred) ssm psr.i \ - CLOBBER(clob) \ - CLOBBER_PRED(pred_clob) +(pred) ssm psr.i #define RSM_PSR_I(pred, clob0, clob1) \ -(pred) rsm psr.i \ - CLOBBER(clob0) \ - CLOBBER(clob1) +(pred) rsm psr.i #define RSM_PSR_I_IC(clob0, clob1, clob2) \ - rsm psr.i | psr.ic \ - CLOBBER(clob0) \ - CLOBBER(clob1) \ - CLOBBER(clob2) + rsm psr.i | psr.ic #define RSM_PSR_DT \ rsm psr.dt #define RSM_PSR_BE_I(clob0, clob1) \ - rsm psr.be | psr.i \ - CLOBBER(clob0) \ - CLOBBER(clob1) + rsm psr.be | psr.i #define SSM_PSR_DT_AND_SRLZ_I \ ssm psr.dt \ @@ -177,15 +121,10 @@ srlz.i #define BSW_0(clob0, clob1, clob2) \ - bsw.0 \ - CLOBBER(clob0) \ - CLOBBER(clob1) \ - CLOBBER(clob2) + bsw.0 #define BSW_1(clob0, clob1) \ - bsw.1 \ - CLOBBER(clob0) \ - CLOBBER(clob1) + bsw.1 #define COVER \ cover diff --git a/arch/ia64/include/asm/native/pvchk_inst.h b/arch/ia64/include/asm/native/pvchk_inst.h deleted file mode 100644 index 8d72962..0000000 --- a/arch/ia64/include/asm/native/pvchk_inst.h +++ /dev/null @@ -1,271 +0,0 @@ -#ifndef _ASM_NATIVE_PVCHK_INST_H -#define _ASM_NATIVE_PVCHK_INST_H - -/****************************************************************************** - * arch/ia64/include/asm/native/pvchk_inst.h - * Checker for paravirtualizations of privileged operations. - * - * Copyright (C) 2005 Hewlett-Packard Co - * Dan Magenheimer <dan.magenheimer@hp.com> - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -/********************************************** - * Instructions paravirtualized for correctness - **********************************************/ - -/* "fc" and "thash" are privilege-sensitive instructions, meaning they - * may have different semantics depending on whether they are executed - * at PL0 vs PL!=0. When paravirtualized, these instructions mustn't - * be allowed to execute directly, lest incorrect semantics result. - */ - -#define fc .error "fc should not be used directly." -#define thash .error "thash should not be used directly." - -/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag" - * is not currently used (though it may be in a long-format VHPT system!) - * and the semantics of cover only change if psr.ic is off which is very - * rare (and currently non-existent outside of assembly code - */ -#define ttag .error "ttag should not be used directly." -#define cover .error "cover should not be used directly." - -/* There are also privilege-sensitive registers. These registers are - * readable at any privilege level but only writable at PL0. - */ -#define cpuid .error "cpuid should not be used directly." -#define pmd .error "pmd should not be used directly." - -/* - * mov ar.eflag = - * mov = ar.eflag - */ - -/********************************************** - * Instructions paravirtualized for performance - **********************************************/ -/* - * Those instructions include '.' which can't be handled by cpp. - * or can't be handled by cpp easily. - * They are handled by sed instead of cpp. - */ - -/* for .S - * itc.i - * itc.d - * - * bsw.0 - * bsw.1 - * - * ssm psr.ic | PSR_DEFAULT_BITS - * ssm psr.ic - * rsm psr.ic - * ssm psr.i - * rsm psr.i - * rsm psr.i | psr.ic - * rsm psr.dt - * ssm psr.dt - * - * mov = cr.ifa - * mov = cr.itir - * mov = cr.isr - * mov = cr.iha - * mov = cr.ipsr - * mov = cr.iim - * mov = cr.iip - * mov = cr.ivr - * mov = psr - * - * mov cr.ifa = - * mov cr.itir = - * mov cr.iha = - * mov cr.ipsr = - * mov cr.ifs = - * mov cr.iip = - * mov cr.kr = - */ - -/* for intrinsics - * ssm psr.i - * rsm psr.i - * mov = psr - * mov = ivr - * mov = tpr - * mov cr.itm = - * mov eoi = - * mov rr[] = - * mov = rr[] - * mov = kr - * mov kr = - * ptc.ga - */ - -/************************************************************* - * define paravirtualized instrcution macros as nop to ingore. - * and check whether arguments are appropriate. - *************************************************************/ - -/* check whether reg is a regular register */ -.macro is_rreg_in reg - .ifc "\reg", "r0" - nop 0 - .exitm - .endif - ;; - mov \reg = r0 - ;; -.endm -#define IS_RREG_IN(reg) is_rreg_in reg ; - -#define IS_RREG_OUT(reg) \ - ;; \ - mov reg = r0 \ - ;; - -#define IS_RREG_CLOB(reg) IS_RREG_OUT(reg) - -/* check whether pred is a predicate register */ -#define IS_PRED_IN(pred) \ - ;; \ - (pred) nop 0 \ - ;; - -#define IS_PRED_OUT(pred) \ - ;; \ - cmp.eq pred, p0 = r0, r0 \ - ;; - -#define IS_PRED_CLOB(pred) IS_PRED_OUT(pred) - - -#define DO_SAVE_MIN(__COVER, SAVE_IFS, EXTRA, WORKAROUND) \ - nop 0 -#define MOV_FROM_IFA(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_ITIR(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_ISR(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_IHA(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_IPSR(pred, reg) \ - IS_PRED_IN(pred) \ - IS_RREG_OUT(reg) -#define MOV_FROM_IIM(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_IIP(reg) \ - IS_RREG_OUT(reg) -#define MOV_FROM_IVR(reg, clob) \ - IS_RREG_OUT(reg) \ - IS_RREG_CLOB(clob) -#define MOV_FROM_PSR(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_OUT(reg) \ - IS_RREG_CLOB(clob) -#define MOV_FROM_ITC(pred, pred_clob, reg, clob) \ - IS_PRED_IN(pred) \ - IS_PRED_CLOB(pred_clob) \ - IS_RREG_OUT(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_IFA(reg, clob) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_ITIR(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_IHA(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_IPSR(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_IFS(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_IIP(reg, clob) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define MOV_TO_KR(kr, reg, clob0, clob1) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define ITC_I(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define ITC_D(pred, reg, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define ITC_I_AND_D(pred_i, pred_d, reg, clob) \ - IS_PRED_IN(pred_i) \ - IS_PRED_IN(pred_d) \ - IS_RREG_IN(reg) \ - IS_RREG_CLOB(clob) -#define THASH(pred, reg0, reg1, clob) \ - IS_PRED_IN(pred) \ - IS_RREG_OUT(reg0) \ - IS_RREG_IN(reg1) \ - IS_RREG_CLOB(clob) -#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define RSM_PSR_IC(clob) \ - IS_RREG_CLOB(clob) -#define SSM_PSR_I(pred, pred_clob, clob) \ - IS_PRED_IN(pred) \ - IS_PRED_CLOB(pred_clob) \ - IS_RREG_CLOB(clob) -#define RSM_PSR_I(pred, clob0, clob1) \ - IS_PRED_IN(pred) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define RSM_PSR_I_IC(clob0, clob1, clob2) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) \ - IS_RREG_CLOB(clob2) -#define RSM_PSR_DT \ - nop 0 -#define RSM_PSR_BE_I(clob0, clob1) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define SSM_PSR_DT_AND_SRLZ_I \ - nop 0 -#define BSW_0(clob0, clob1, clob2) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) \ - IS_RREG_CLOB(clob2) -#define BSW_1(clob0, clob1) \ - IS_RREG_CLOB(clob0) \ - IS_RREG_CLOB(clob1) -#define COVER \ - nop 0 -#define RFI \ - br.ret.sptk.many rp /* defining nop causes dependency error */ - -#endif /* _ASM_NATIVE_PVCHK_INST_H */ diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h deleted file mode 100644 index b53518a..0000000 --- a/arch/ia64/include/asm/paravirt.h +++ /dev/null @@ -1,321 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - - -#ifndef __ASM_PARAVIRT_H -#define __ASM_PARAVIRT_H - -#ifndef __ASSEMBLY__ -/****************************************************************************** - * fsys related addresses - */ -struct pv_fsys_data { - unsigned long *fsyscall_table; - void *fsys_bubble_down; -}; - -extern struct pv_fsys_data pv_fsys_data; - -unsigned long *paravirt_get_fsyscall_table(void); -char *paravirt_get_fsys_bubble_down(void); - -/****************************************************************************** - * patchlist addresses for gate page - */ -enum pv_gate_patchlist { - PV_GATE_START_FSYSCALL, - PV_GATE_END_FSYSCALL, - - PV_GATE_START_BRL_FSYS_BUBBLE_DOWN, - PV_GATE_END_BRL_FSYS_BUBBLE_DOWN, - - PV_GATE_START_VTOP, - PV_GATE_END_VTOP, - - PV_GATE_START_MCKINLEY_E9, - PV_GATE_END_MCKINLEY_E9, -}; - -struct pv_patchdata { - unsigned long start_fsyscall_patchlist; - unsigned long end_fsyscall_patchlist; - unsigned long start_brl_fsys_bubble_down_patchlist; - unsigned long end_brl_fsys_bubble_down_patchlist; - unsigned long start_vtop_patchlist; - unsigned long end_vtop_patchlist; - unsigned long start_mckinley_e9_patchlist; - unsigned long end_mckinley_e9_patchlist; - - void *gate_section; -}; - -extern struct pv_patchdata pv_patchdata; - -unsigned long paravirt_get_gate_patchlist(enum pv_gate_patchlist type); -void *paravirt_get_gate_section(void); -#endif - -#ifdef CONFIG_PARAVIRT_GUEST - -#define PARAVIRT_HYPERVISOR_TYPE_DEFAULT 0 - -#ifndef __ASSEMBLY__ - -#include <asm/hw_irq.h> -#include <asm/meminit.h> - -/****************************************************************************** - * general info - */ -struct pv_info { - unsigned int kernel_rpl; - int paravirt_enabled; - const char *name; -}; - -extern struct pv_info pv_info; - -static inline int paravirt_enabled(void) -{ - return pv_info.paravirt_enabled; -} - -static inline unsigned int get_kernel_rpl(void) -{ - return pv_info.kernel_rpl; -} - -/****************************************************************************** - * initialization hooks. - */ -struct rsvd_region; - -struct pv_init_ops { - void (*banner)(void); - - int (*reserve_memory)(struct rsvd_region *region); - - void (*arch_setup_early)(void); - void (*arch_setup_console)(char **cmdline_p); - int (*arch_setup_nomca)(void); - - void (*post_smp_prepare_boot_cpu)(void); - -#ifdef ASM_SUPPORTED - unsigned long (*patch_bundle)(void *sbundle, void *ebundle, - unsigned long type); - unsigned long (*patch_inst)(unsigned long stag, unsigned long etag, - unsigned long type); -#endif - void (*patch_branch)(unsigned long tag, unsigned long type); -}; - -extern struct pv_init_ops pv_init_ops; - -static inline void paravirt_banner(void) -{ - if (pv_init_ops.banner) - pv_init_ops.banner(); -} - -static inline int paravirt_reserve_memory(struct rsvd_region *region) -{ - if (pv_init_ops.reserve_memory) - return pv_init_ops.reserve_memory(region); - return 0; -} - -static inline void paravirt_arch_setup_early(void) -{ - if (pv_init_ops.arch_setup_early) - pv_init_ops.arch_setup_early(); -} - -static inline void paravirt_arch_setup_console(char **cmdline_p) -{ - if (pv_init_ops.arch_setup_console) - pv_init_ops.arch_setup_console(cmdline_p); -} - -static inline int paravirt_arch_setup_nomca(void) -{ - if (pv_init_ops.arch_setup_nomca) - return pv_init_ops.arch_setup_nomca(); - return 0; -} - -static inline void paravirt_post_smp_prepare_boot_cpu(void) -{ - if (pv_init_ops.post_smp_prepare_boot_cpu) - pv_init_ops.post_smp_prepare_boot_cpu(); -} - -/****************************************************************************** - * replacement of iosapic operations. - */ - -struct pv_iosapic_ops { - void (*pcat_compat_init)(void); - - struct irq_chip *(*__get_irq_chip)(unsigned long trigger); - - unsigned int (*__read)(char __iomem *iosapic, unsigned int reg); - void (*__write)(char __iomem *iosapic, unsigned int reg, u32 val); -}; - -extern struct pv_iosapic_ops pv_iosapic_ops; - -static inline void -iosapic_pcat_compat_init(void) -{ - if (pv_iosapic_ops.pcat_compat_init) - pv_iosapic_ops.pcat_compat_init(); -} - -static inline struct irq_chip* -iosapic_get_irq_chip(unsigned long trigger) -{ - return pv_iosapic_ops.__get_irq_chip(trigger); -} - -static inline unsigned int -__iosapic_read(char __iomem *iosapic, unsigned int reg) -{ - return pv_iosapic_ops.__read(iosapic, reg); -} - -static inline void -__iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) -{ - return pv_iosapic_ops.__write(iosapic, reg, val); -} - -/****************************************************************************** - * replacement of irq operations. - */ - -struct pv_irq_ops { - void (*register_ipi)(void); - - int (*assign_irq_vector)(int irq); - void (*free_irq_vector)(int vector); - - void (*register_percpu_irq)(ia64_vector vec, - struct irqaction *action); - - void (*resend_irq)(unsigned int vector); -}; - -extern struct pv_irq_ops pv_irq_ops; - -static inline void -ia64_register_ipi(void) -{ - pv_irq_ops.register_ipi(); -} - -static inline int -assign_irq_vector(int irq) -{ - return pv_irq_ops.assign_irq_vector(irq); -} - -static inline void -free_irq_vector(int vector) -{ - return pv_irq_ops.free_irq_vector(vector); -} - -static inline void -register_percpu_irq(ia64_vector vec, struct irqaction *action) -{ - pv_irq_ops.register_percpu_irq(vec, action); -} - -static inline void -ia64_resend_irq(unsigned int vector) -{ - pv_irq_ops.resend_irq(vector); -} - -/****************************************************************************** - * replacement of time operations. - */ - -extern struct itc_jitter_data_t itc_jitter_data; -extern volatile int time_keeper_id; - -struct pv_time_ops { - void (*init_missing_ticks_accounting)(int cpu); - int (*do_steal_accounting)(unsigned long *new_itm); - - void (*clocksource_resume)(void); - - unsigned long long (*sched_clock)(void); -}; - -extern struct pv_time_ops pv_time_ops; - -static inline void -paravirt_init_missing_ticks_accounting(int cpu) -{ - if (pv_time_ops.init_missing_ticks_accounting) - pv_time_ops.init_missing_ticks_accounting(cpu); -} - -struct static_key; -extern struct static_key paravirt_steal_enabled; -extern struct static_key paravirt_steal_rq_enabled; - -static inline int -paravirt_do_steal_accounting(unsigned long *new_itm) -{ - return pv_time_ops.do_steal_accounting(new_itm); -} - -static inline unsigned long long paravirt_sched_clock(void) -{ - return pv_time_ops.sched_clock(); -} - -#endif /* !__ASSEMBLY__ */ - -#else -/* fallback for native case */ - -#ifndef __ASSEMBLY__ - -#define paravirt_banner() do { } while (0) -#define paravirt_reserve_memory(region) 0 - -#define paravirt_arch_setup_early() do { } while (0) -#define paravirt_arch_setup_console(cmdline_p) do { } while (0) -#define paravirt_arch_setup_nomca() 0 -#define paravirt_post_smp_prepare_boot_cpu() do { } while (0) - -#define paravirt_init_missing_ticks_accounting(cpu) do { } while (0) -#define paravirt_do_steal_accounting(new_itm) 0 - -#endif /* __ASSEMBLY__ */ - - -#endif /* CONFIG_PARAVIRT_GUEST */ - -#endif /* __ASM_PARAVIRT_H */ diff --git a/arch/ia64/include/asm/paravirt_patch.h b/arch/ia64/include/asm/paravirt_patch.h deleted file mode 100644 index 128ff5d..0000000 --- a/arch/ia64/include/asm/paravirt_patch.h +++ /dev/null @@ -1,143 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_PARAVIRT_PATCH_H -#define __ASM_PARAVIRT_PATCH_H - -#ifdef __ASSEMBLY__ - - .section .paravirt_branches, "a" - .previous -#define PARAVIRT_PATCH_SITE_BR(type) \ - { \ - [1:] ; \ - br.cond.sptk.many 2f ; \ - nop.b 0 ; \ - nop.b 0;; ; \ - } ; \ - 2: \ - .xdata8 ".paravirt_branches", 1b, type - -#else - -#include <linux/stringify.h> -#include <asm/intrinsics.h> - -/* for binary patch */ -struct paravirt_patch_site_bundle { - void *sbundle; - void *ebundle; - unsigned long type; -}; - -/* label means the beginning of new bundle */ -#define paravirt_alt_bundle(instr, privop) \ - "\t998:\n" \ - "\t" instr "\n" \ - "\t999:\n" \ - "\t.pushsection .paravirt_bundles, \"a\"\n" \ - "\t.popsection\n" \ - "\t.xdata8 \".paravirt_bundles\", 998b, 999b, " \ - __stringify(privop) "\n" - - -struct paravirt_patch_bundle_elem { - const void *sbundle; - const void *ebundle; - unsigned long type; -}; - - -struct paravirt_patch_site_inst { - unsigned long stag; - unsigned long etag; - unsigned long type; -}; - -#define paravirt_alt_inst(instr, privop) \ - "\t[998:]\n" \ - "\t" instr "\n" \ - "\t[999:]\n" \ - "\t.pushsection .paravirt_insts, \"a\"\n" \ - "\t.popsection\n" \ - "\t.xdata8 \".paravirt_insts\", 998b, 999b, " \ - __stringify(privop) "\n" - -struct paravirt_patch_site_branch { - unsigned long tag; - unsigned long type; -}; - -struct paravirt_patch_branch_target { - const void *entry; - unsigned long type; -}; - -void -__paravirt_patch_apply_branch( - unsigned long tag, unsigned long type, - const struct paravirt_patch_branch_target *entries, - unsigned int nr_entries); - -void -paravirt_patch_reloc_br(unsigned long tag, const void *target); - -void -paravirt_patch_reloc_brl(unsigned long tag, const void *target); - - -#if defined(ASM_SUPPORTED) && defined(CONFIG_PARAVIRT) -unsigned long -ia64_native_patch_bundle(void *sbundle, void *ebundle, unsigned long type); - -unsigned long -__paravirt_patch_apply_bundle(void *sbundle, void *ebundle, unsigned long type, - const struct paravirt_patch_bundle_elem *elems, - unsigned long nelems, - const struct paravirt_patch_bundle_elem **found); - -void -paravirt_patch_apply_bundle(const struct paravirt_patch_site_bundle *start, - const struct paravirt_patch_site_bundle *end); - -void -paravirt_patch_apply_inst(const struct paravirt_patch_site_inst *start, - const struct paravirt_patch_site_inst *end); - -void paravirt_patch_apply(void); -#else -#define paravirt_patch_apply_bundle(start, end) do { } while (0) -#define paravirt_patch_apply_inst(start, end) do { } while (0) -#define paravirt_patch_apply() do { } while (0) -#endif - -#endif /* !__ASSEMBLEY__ */ - -#endif /* __ASM_PARAVIRT_PATCH_H */ - -/* - * Local variables: - * mode: C - * c-set-style: "linux" - * c-basic-offset: 8 - * tab-width: 8 - * indent-tabs-mode: t - * End: - */ diff --git a/arch/ia64/include/asm/paravirt_privop.h b/arch/ia64/include/asm/paravirt_privop.h deleted file mode 100644 index 8f6cb11..0000000 --- a/arch/ia64/include/asm/paravirt_privop.h +++ /dev/null @@ -1,479 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef _ASM_IA64_PARAVIRT_PRIVOP_H -#define _ASM_IA64_PARAVIRT_PRIVOP_H - -#ifdef CONFIG_PARAVIRT - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <asm/kregs.h> /* for IA64_PSR_I */ - -/****************************************************************************** - * replacement of intrinsics operations. - */ - -struct pv_cpu_ops { - void (*fc)(void *addr); - unsigned long (*thash)(unsigned long addr); - unsigned long (*get_cpuid)(int index); - unsigned long (*get_pmd)(int index); - unsigned long (*getreg)(int reg); - void (*setreg)(int reg, unsigned long val); - void (*ptcga)(unsigned long addr, unsigned long size); - unsigned long (*get_rr)(unsigned long index); - void (*set_rr)(unsigned long index, unsigned long val); - void (*set_rr0_to_rr4)(unsigned long val0, unsigned long val1, - unsigned long val2, unsigned long val3, - unsigned long val4); - void (*ssm_i)(void); - void (*rsm_i)(void); - unsigned long (*get_psr_i)(void); - void (*intrin_local_irq_restore)(unsigned long flags); -}; - -extern struct pv_cpu_ops pv_cpu_ops; - -extern void ia64_native_setreg_func(int regnum, unsigned long val); -extern unsigned long ia64_native_getreg_func(int regnum); - -/************************************************/ -/* Instructions paravirtualized for performance */ -/************************************************/ - -#ifndef ASM_SUPPORTED -#define paravirt_ssm_i() pv_cpu_ops.ssm_i() -#define paravirt_rsm_i() pv_cpu_ops.rsm_i() -#define __paravirt_getreg() pv_cpu_ops.getreg() -#endif - -/* mask for ia64_native_ssm/rsm() must be constant.("i" constraing). - * static inline function doesn't satisfy it. */ -#define paravirt_ssm(mask) \ - do { \ - if ((mask) == IA64_PSR_I) \ - paravirt_ssm_i(); \ - else \ - ia64_native_ssm(mask); \ - } while (0) - -#define paravirt_rsm(mask) \ - do { \ - if ((mask) == IA64_PSR_I) \ - paravirt_rsm_i(); \ - else \ - ia64_native_rsm(mask); \ - } while (0) - -/* returned ip value should be the one in the caller, - * not in __paravirt_getreg() */ -#define paravirt_getreg(reg) \ - ({ \ - unsigned long res; \ - if ((reg) == _IA64_REG_IP) \ - res = ia64_native_getreg(_IA64_REG_IP); \ - else \ - res = __paravirt_getreg(reg); \ - res; \ - }) - -/****************************************************************************** - * replacement of hand written assembly codes. - */ -struct pv_cpu_asm_switch { - unsigned long switch_to; - unsigned long leave_syscall; - unsigned long work_processed_syscall; - unsigned long leave_kernel; -}; -void paravirt_cpu_asm_init(const struct pv_cpu_asm_switch *cpu_asm_switch); - -#endif /* __ASSEMBLY__ */ - -#define IA64_PARAVIRT_ASM_FUNC(name) paravirt_ ## name - -#else - -/* fallback for native case */ -#define IA64_PARAVIRT_ASM_FUNC(name) ia64_native_ ## name - -#endif /* CONFIG_PARAVIRT */ - -#if defined(CONFIG_PARAVIRT) && defined(ASM_SUPPORTED) -#define paravirt_dv_serialize_data() ia64_dv_serialize_data() -#else -#define paravirt_dv_serialize_data() /* nothing */ -#endif - -/* these routines utilize privilege-sensitive or performance-sensitive - * privileged instructions so the code must be replaced with - * paravirtualized versions */ -#define ia64_switch_to IA64_PARAVIRT_ASM_FUNC(switch_to) -#define ia64_leave_syscall IA64_PARAVIRT_ASM_FUNC(leave_syscall) -#define ia64_work_processed_syscall \ - IA64_PARAVIRT_ASM_FUNC(work_processed_syscall) -#define ia64_leave_kernel IA64_PARAVIRT_ASM_FUNC(leave_kernel) - - -#if defined(CONFIG_PARAVIRT) -/****************************************************************************** - * binary patching infrastructure - */ -#define PARAVIRT_PATCH_TYPE_FC 1 -#define PARAVIRT_PATCH_TYPE_THASH 2 -#define PARAVIRT_PATCH_TYPE_GET_CPUID 3 -#define PARAVIRT_PATCH_TYPE_GET_PMD 4 -#define PARAVIRT_PATCH_TYPE_PTCGA 5 -#define PARAVIRT_PATCH_TYPE_GET_RR 6 -#define PARAVIRT_PATCH_TYPE_SET_RR 7 -#define PARAVIRT_PATCH_TYPE_SET_RR0_TO_RR4 8 -#define PARAVIRT_PATCH_TYPE_SSM_I 9 -#define PARAVIRT_PATCH_TYPE_RSM_I 10 -#define PARAVIRT_PATCH_TYPE_GET_PSR_I 11 -#define PARAVIRT_PATCH_TYPE_INTRIN_LOCAL_IRQ_RESTORE 12 - -/* PARAVIRT_PATY_TYPE_[GS]ETREG + _IA64_REG_xxx */ -#define PARAVIRT_PATCH_TYPE_GETREG 0x10000000 -#define PARAVIRT_PATCH_TYPE_SETREG 0x20000000 - -/* - * struct task_struct* (*ia64_switch_to)(void* next_task); - * void *ia64_leave_syscall; - * void *ia64_work_processed_syscall - * void *ia64_leave_kernel; - */ - -#define PARAVIRT_PATCH_TYPE_BR_START 0x30000000 -#define PARAVIRT_PATCH_TYPE_BR_SWITCH_TO \ - (PARAVIRT_PATCH_TYPE_BR_START + 0) -#define PARAVIRT_PATCH_TYPE_BR_LEAVE_SYSCALL \ - (PARAVIRT_PATCH_TYPE_BR_START + 1) -#define PARAVIRT_PATCH_TYPE_BR_WORK_PROCESSED_SYSCALL \ - (PARAVIRT_PATCH_TYPE_BR_START + 2) -#define PARAVIRT_PATCH_TYPE_BR_LEAVE_KERNEL \ - (PARAVIRT_PATCH_TYPE_BR_START + 3) - -#ifdef ASM_SUPPORTED -#include <asm/paravirt_patch.h> - -/* - * pv_cpu_ops calling stub. - * normal function call convension can't be written by gcc - * inline assembly. - * - * from the caller's point of view, - * the following registers will be clobbered. - * r2, r3 - * r8-r15 - * r16, r17 - * b6, b7 - * p6-p15 - * ar.ccv - * - * from the callee's point of view , - * the following registers can be used. - * r2, r3: scratch - * r8: scratch, input argument0 and return value - * r0-r15: scratch, input argument1-5 - * b6: return pointer - * b7: scratch - * p6-p15: scratch - * ar.ccv: scratch - * - * other registers must not be changed. especially - * b0: rp: preserved. gcc ignores b0 in clobbered register. - * r16: saved gp - */ -/* 5 bundles */ -#define __PARAVIRT_BR \ - ";;\n" \ - "{ .mlx\n" \ - "nop 0\n" \ - "movl r2 = %[op_addr]\n"/* get function pointer address */ \ - ";;\n" \ - "}\n" \ - "1:\n" \ - "{ .mii\n" \ - "ld8 r2 = [r2]\n" /* load function descriptor address */ \ - "mov r17 = ip\n" /* get ip to calc return address */ \ - "mov r16 = gp\n" /* save gp */ \ - ";;\n" \ - "}\n" \ - "{ .mii\n" \ - "ld8 r3 = [r2], 8\n" /* load entry address */ \ - "adds r17 = 1f - 1b, r17\n" /* calculate return address */ \ - ";;\n" \ - "mov b7 = r3\n" /* set entry address */ \ - "}\n" \ - "{ .mib\n" \ - "ld8 gp = [r2]\n" /* load gp value */ \ - "mov b6 = r17\n" /* set return address */ \ - "br.cond.sptk.few b7\n" /* intrinsics are very short isns */ \ - "}\n" \ - "1:\n" \ - "{ .mii\n" \ - "mov gp = r16\n" /* restore gp value */ \ - "nop 0\n" \ - "nop 0\n" \ - ";;\n" \ - "}\n" - -#define PARAVIRT_OP(op) \ - [op_addr] "i"(&pv_cpu_ops.op) - -#define PARAVIRT_TYPE(type) \ - PARAVIRT_PATCH_TYPE_ ## type - -#define PARAVIRT_REG_CLOBBERS0 \ - "r2", "r3", /*"r8",*/ "r9", "r10", "r11", "r14", \ - "r15", "r16", "r17" - -#define PARAVIRT_REG_CLOBBERS1 \ - "r2","r3", /*"r8",*/ "r9", "r10", "r11", "r14", \ - "r15", "r16", "r17" - -#define PARAVIRT_REG_CLOBBERS2 \ - "r2", "r3", /*"r8", "r9",*/ "r10", "r11", "r14", \ - "r15", "r16", "r17" - -#define PARAVIRT_REG_CLOBBERS5 \ - "r2", "r3", /*"r8", "r9", "r10", "r11", "r14",*/ \ - "r15", "r16", "r17" - -#define PARAVIRT_BR_CLOBBERS \ - "b6", "b7" - -#define PARAVIRT_PR_CLOBBERS \ - "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15" - -#define PARAVIRT_AR_CLOBBERS \ - "ar.ccv" - -#define PARAVIRT_CLOBBERS0 \ - PARAVIRT_REG_CLOBBERS0, \ - PARAVIRT_BR_CLOBBERS, \ - PARAVIRT_PR_CLOBBERS, \ - PARAVIRT_AR_CLOBBERS, \ - "memory" - -#define PARAVIRT_CLOBBERS1 \ - PARAVIRT_REG_CLOBBERS1, \ - PARAVIRT_BR_CLOBBERS, \ - PARAVIRT_PR_CLOBBERS, \ - PARAVIRT_AR_CLOBBERS, \ - "memory" - -#define PARAVIRT_CLOBBERS2 \ - PARAVIRT_REG_CLOBBERS2, \ - PARAVIRT_BR_CLOBBERS, \ - PARAVIRT_PR_CLOBBERS, \ - PARAVIRT_AR_CLOBBERS, \ - "memory" - -#define PARAVIRT_CLOBBERS5 \ - PARAVIRT_REG_CLOBBERS5, \ - PARAVIRT_BR_CLOBBERS, \ - PARAVIRT_PR_CLOBBERS, \ - PARAVIRT_AR_CLOBBERS, \ - "memory" - -#define PARAVIRT_BR0(op, type) \ - register unsigned long ia64_clobber asm ("r8"); \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_clobber) \ - : PARAVIRT_OP(op) \ - : PARAVIRT_CLOBBERS0) - -#define PARAVIRT_BR0_RET(op, type) \ - register unsigned long ia64_intri_res asm ("r8"); \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_intri_res) \ - : PARAVIRT_OP(op) \ - : PARAVIRT_CLOBBERS0) - -#define PARAVIRT_BR1(op, type, arg1) \ - register unsigned long __##arg1 asm ("r8") = arg1; \ - register unsigned long ia64_clobber asm ("r8"); \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_clobber) \ - : PARAVIRT_OP(op), "0"(__##arg1) \ - : PARAVIRT_CLOBBERS1) - -#define PARAVIRT_BR1_RET(op, type, arg1) \ - register unsigned long ia64_intri_res asm ("r8"); \ - register unsigned long __##arg1 asm ("r8") = arg1; \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_intri_res) \ - : PARAVIRT_OP(op), "0"(__##arg1) \ - : PARAVIRT_CLOBBERS1) - -#define PARAVIRT_BR1_VOID(op, type, arg1) \ - register void *__##arg1 asm ("r8") = arg1; \ - register unsigned long ia64_clobber asm ("r8"); \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_clobber) \ - : PARAVIRT_OP(op), "0"(__##arg1) \ - : PARAVIRT_CLOBBERS1) - -#define PARAVIRT_BR2(op, type, arg1, arg2) \ - register unsigned long __##arg1 asm ("r8") = arg1; \ - register unsigned long __##arg2 asm ("r9") = arg2; \ - register unsigned long ia64_clobber1 asm ("r8"); \ - register unsigned long ia64_clobber2 asm ("r9"); \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(type)) \ - : "=r"(ia64_clobber1), "=r"(ia64_clobber2) \ - : PARAVIRT_OP(op), "0"(__##arg1), "1"(__##arg2) \ - : PARAVIRT_CLOBBERS2) - - -#define PARAVIRT_DEFINE_CPU_OP0(op, type) \ - static inline void \ - paravirt_ ## op (void) \ - { \ - PARAVIRT_BR0(op, type); \ - } - -#define PARAVIRT_DEFINE_CPU_OP0_RET(op, type) \ - static inline unsigned long \ - paravirt_ ## op (void) \ - { \ - PARAVIRT_BR0_RET(op, type); \ - return ia64_intri_res; \ - } - -#define PARAVIRT_DEFINE_CPU_OP1_VOID(op, type) \ - static inline void \ - paravirt_ ## op (void *arg1) \ - { \ - PARAVIRT_BR1_VOID(op, type, arg1); \ - } - -#define PARAVIRT_DEFINE_CPU_OP1(op, type) \ - static inline void \ - paravirt_ ## op (unsigned long arg1) \ - { \ - PARAVIRT_BR1(op, type, arg1); \ - } - -#define PARAVIRT_DEFINE_CPU_OP1_RET(op, type) \ - static inline unsigned long \ - paravirt_ ## op (unsigned long arg1) \ - { \ - PARAVIRT_BR1_RET(op, type, arg1); \ - return ia64_intri_res; \ - } - -#define PARAVIRT_DEFINE_CPU_OP2(op, type) \ - static inline void \ - paravirt_ ## op (unsigned long arg1, \ - unsigned long arg2) \ - { \ - PARAVIRT_BR2(op, type, arg1, arg2); \ - } - - -PARAVIRT_DEFINE_CPU_OP1_VOID(fc, FC); -PARAVIRT_DEFINE_CPU_OP1_RET(thash, THASH) -PARAVIRT_DEFINE_CPU_OP1_RET(get_cpuid, GET_CPUID) -PARAVIRT_DEFINE_CPU_OP1_RET(get_pmd, GET_PMD) -PARAVIRT_DEFINE_CPU_OP2(ptcga, PTCGA) -PARAVIRT_DEFINE_CPU_OP1_RET(get_rr, GET_RR) -PARAVIRT_DEFINE_CPU_OP2(set_rr, SET_RR) -PARAVIRT_DEFINE_CPU_OP0(ssm_i, SSM_I) -PARAVIRT_DEFINE_CPU_OP0(rsm_i, RSM_I) -PARAVIRT_DEFINE_CPU_OP0_RET(get_psr_i, GET_PSR_I) -PARAVIRT_DEFINE_CPU_OP1(intrin_local_irq_restore, INTRIN_LOCAL_IRQ_RESTORE) - -static inline void -paravirt_set_rr0_to_rr4(unsigned long val0, unsigned long val1, - unsigned long val2, unsigned long val3, - unsigned long val4) -{ - register unsigned long __val0 asm ("r8") = val0; - register unsigned long __val1 asm ("r9") = val1; - register unsigned long __val2 asm ("r10") = val2; - register unsigned long __val3 asm ("r11") = val3; - register unsigned long __val4 asm ("r14") = val4; - - register unsigned long ia64_clobber0 asm ("r8"); - register unsigned long ia64_clobber1 asm ("r9"); - register unsigned long ia64_clobber2 asm ("r10"); - register unsigned long ia64_clobber3 asm ("r11"); - register unsigned long ia64_clobber4 asm ("r14"); - - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, - PARAVIRT_TYPE(SET_RR0_TO_RR4)) - : "=r"(ia64_clobber0), - "=r"(ia64_clobber1), - "=r"(ia64_clobber2), - "=r"(ia64_clobber3), - "=r"(ia64_clobber4) - : PARAVIRT_OP(set_rr0_to_rr4), - "0"(__val0), "1"(__val1), "2"(__val2), - "3"(__val3), "4"(__val4) - : PARAVIRT_CLOBBERS5); -} - -/* unsigned long paravirt_getreg(int reg) */ -#define __paravirt_getreg(reg) \ - ({ \ - register unsigned long ia64_intri_res asm ("r8"); \ - register unsigned long __reg asm ("r8") = (reg); \ - \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(GETREG) \ - + (reg)) \ - : "=r"(ia64_intri_res) \ - : PARAVIRT_OP(getreg), "0"(__reg) \ - : PARAVIRT_CLOBBERS1); \ - \ - ia64_intri_res; \ - }) - -/* void paravirt_setreg(int reg, unsigned long val) */ -#define paravirt_setreg(reg, val) \ - do { \ - register unsigned long __val asm ("r8") = val; \ - register unsigned long __reg asm ("r9") = reg; \ - register unsigned long ia64_clobber1 asm ("r8"); \ - register unsigned long ia64_clobber2 asm ("r9"); \ - \ - asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ - PARAVIRT_TYPE(SETREG) \ - + (reg)) \ - : "=r"(ia64_clobber1), \ - "=r"(ia64_clobber2) \ - : PARAVIRT_OP(setreg), \ - "1"(__reg), "0"(__val) \ - : PARAVIRT_CLOBBERS2); \ - } while (0) - -#endif /* ASM_SUPPORTED */ -#endif /* CONFIG_PARAVIRT && ASM_SUPPOTED */ - -#endif /* _ASM_IA64_PARAVIRT_PRIVOP_H */ diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index d68b5cf..3686d6a 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -9,7 +9,7 @@ endif extra-y := head.o init_task.o vmlinux.lds obj-y := entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o \ - irq_lsapic.o ivt.o machvec.o pal.o paravirt_patchlist.o patch.o process.o perfmon.o ptrace.o sal.o \ + irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o \ salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \ unwind.o mca.o mca_asm.o topology.o dma-mapping.o @@ -35,9 +35,6 @@ mca_recovery-y += mca_drv.o mca_drv_asm.o obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o obj-$(CONFIG_STACKTRACE) += stacktrace.o -obj-$(CONFIG_PARAVIRT) += paravirt.o paravirtentry.o \ - paravirt_patch.o - obj-$(CONFIG_IA64_ESI) += esi.o ifneq ($(CONFIG_IA64_ESI),) obj-y += esi_stub.o # must be in kernel proper @@ -52,8 +49,6 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31 # The gate DSO image is built using a special linker script. include $(src)/Makefile.gate -# tell compiled for native -CPPFLAGS_gate.lds += -D__IA64_GATE_PARAVIRTUALIZED_NATIVE # Calculate NR_IRQ = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, ...) based on config define sed-y @@ -84,30 +79,3 @@ arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s $(Q)mkdir -p $(dir $@) $(call cmd,nr_irqs) - -# -# native ivt.S, entry.S and fsys.S -# -ASM_PARAVIRT_OBJS = ivt.o entry.o fsys.o -define paravirtualized_native -AFLAGS_$(1) += -D__IA64_ASM_PARAVIRTUALIZED_NATIVE -AFLAGS_pvchk-sed-$(1) += -D__IA64_ASM_PARAVIRTUALIZED_PVCHECK -extra-y += pvchk-$(1) -endef -$(foreach obj,$(ASM_PARAVIRT_OBJS),$(eval $(call paravirtualized_native,$(obj)))) - -# -# Checker for paravirtualizations of privileged operations. -# -quiet_cmd_pv_check_sed = PVCHK $@ -define cmd_pv_check_sed - sed -f $(srctree)/arch/$(SRCARCH)/scripts/pvcheck.sed $< > $@ -endef - -$(obj)/pvchk-sed-%.s: $(src)/%.S $(srctree)/arch/$(SRCARCH)/scripts/pvcheck.sed FORCE - $(call if_changed_dep,as_s_S) -$(obj)/pvchk-%.s: $(obj)/pvchk-sed-%.s FORCE - $(call if_changed,pv_check_sed) -$(obj)/pvchk-%.o: $(obj)/pvchk-%.s FORCE - $(call if_changed,as_o_S) -.PRECIOUS: $(obj)/pvchk-sed-%.s $(obj)/pvchk-%.s $(obj)/pvchk-%.o diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index c52d754..47e962f 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -464,7 +464,6 @@ efi_map_pal_code (void) GRANULEROUNDDOWN((unsigned long) pal_vaddr), pte_val(pfn_pte(__pa(pal_vaddr) >> PAGE_SHIFT, PAGE_KERNEL)), IA64_GRANULE_SHIFT); - paravirt_dv_serialize_data(); ia64_set_psr(psr); /* restore psr */ } diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index fcf8b8c..ae0de7b 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -51,7 +51,6 @@ #include "minstate.h" -#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE /* * execve() is special because in case of success, we need to * setup a null register window frame. @@ -161,7 +160,6 @@ GLOBAL_ENTRY(sys_clone) mov rp=loc0 br.ret.sptk.many rp END(sys_clone) -#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ /* * prev_task <- ia64_switch_to(struct task_struct *next) @@ -169,7 +167,7 @@ END(sys_clone) * called. The code starting at .map relies on this. The rest of the code * doesn't care about the interrupt masking status. */ -GLOBAL_ENTRY(__paravirt_switch_to) +GLOBAL_ENTRY(ia64_switch_to) .prologue alloc r16=ar.pfs,1,0,0,0 DO_SAVE_SWITCH_STACK @@ -221,9 +219,8 @@ GLOBAL_ENTRY(__paravirt_switch_to) itr.d dtr[r25]=r23 // wire in new mapping... SSM_PSR_IC_AND_SRLZ_D(r8, r9) // reenable the psr.ic bit br.cond.sptk .done -END(__paravirt_switch_to) +END(ia64_switch_to) -#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE /* * Note that interrupts are enabled during save_switch_stack and load_switch_stack. This * means that we may get an interrupt with "sp" pointing to the new kernel stack while @@ -639,16 +636,8 @@ GLOBAL_ENTRY(ia64_ret_from_syscall) adds r2=PT(R8)+16,sp // r2 = &pt_regs.r8 mov r10=r0 // clear error indication in r10 (p7) br.cond.spnt handle_syscall_error // handle potential syscall failure -#ifdef CONFIG_PARAVIRT - ;; - br.cond.sptk.few ia64_leave_syscall - ;; -#endif /* CONFIG_PARAVIRT */ END(ia64_ret_from_syscall) -#ifndef CONFIG_PARAVIRT // fall through -#endif -#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ /* * ia64_leave_syscall(): Same as ia64_leave_kernel, except that it doesn't @@ -694,7 +683,7 @@ END(ia64_ret_from_syscall) * ar.csd: cleared * ar.ssd: cleared */ -GLOBAL_ENTRY(__paravirt_leave_syscall) +GLOBAL_ENTRY(ia64_leave_syscall) PT_REGS_UNWIND_INFO(0) /* * work.need_resched etc. mustn't get changed by this CPU before it returns to @@ -722,8 +711,8 @@ GLOBAL_ENTRY(__paravirt_leave_syscall) cmp.eq pLvSys,p0=r0,r0 // pLvSys=1: leave from syscall (pUStk) cmp.eq.unc p6,p0=r0,r0 // p6 <- pUStk #endif -.global __paravirt_work_processed_syscall; -__paravirt_work_processed_syscall: +.global ia64_work_processed_syscall; +ia64_work_processed_syscall: #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE adds r2=PT(LOADRS)+16,r12 MOV_FROM_ITC(pUStk, p9, r22, r19) // fetch time at leave @@ -836,9 +825,9 @@ __paravirt_work_processed_syscall: mov.m ar.ssd=r0 // M2 clear ar.ssd mov f11=f0 // F clear f11 br.cond.sptk.many rbs_switch // B -END(__paravirt_leave_syscall) +END(ia64_leave_syscall) -GLOBAL_ENTRY(__paravirt_leave_kernel) +GLOBAL_ENTRY(ia64_leave_kernel) PT_REGS_UNWIND_INFO(0) /* * work.need_resched etc. mustn't get changed by this CPU before it returns to @@ -1171,26 +1160,25 @@ skip_rbs_switch: (p6) br.cond.sptk.few .notify br.call.spnt.many rp=preempt_schedule_irq .ret9: cmp.eq p6,p0=r0,r0 // p6 <- 1 (re-check) -(pLvSys)br.cond.sptk.few __paravirt_pending_syscall_end +(pLvSys)br.cond.sptk.few ia64_work_pending_syscall_end br.cond.sptk.many .work_processed_kernel .notify: (pUStk) br.call.spnt.many rp=notify_resume_user .ret10: cmp.ne p6,p0=r0,r0 // p6 <- 0 (don't re-check) -(pLvSys)br.cond.sptk.few __paravirt_pending_syscall_end +(pLvSys)br.cond.sptk.few ia64_work_pending_syscall_end br.cond.sptk.many .work_processed_kernel -.global __paravirt_pending_syscall_end; -__paravirt_pending_syscall_end: +.global ia64_work_pending_syscall_end; +ia64_work_pending_syscall_end: adds r2=PT(R8)+16,r12 adds r3=PT(R10)+16,r12 ;; ld8 r8=[r2] ld8 r10=[r3] - br.cond.sptk.many __paravirt_work_processed_syscall_target -END(__paravirt_leave_kernel) + br.cond.sptk.many ia64_work_processed_syscall +END(ia64_leave_kernel) -#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE ENTRY(handle_syscall_error) /* * Some system calls (e.g., ptrace, mmap) can return arbitrary values which could @@ -1294,7 +1282,7 @@ ENTRY(sys_rt_sigreturn) adds sp=16,sp ;; ld8 r9=[sp] // load new ar.unat - mov.sptk b7=r8,ia64_native_leave_kernel + mov.sptk b7=r8,ia64_leave_kernel ;; mov ar.unat=r9 br.many b7 @@ -1782,4 +1770,3 @@ sys_call_table: data8 sys_execveat .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls -#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index abc6dee..edbf7af 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -24,7 +24,7 @@ #include <asm/unistd.h> #include "entry.h" -#include "paravirt_inst.h" +#include <asm/native/inst.h> /* * See Documentation/ia64/fsys.txt for details on fsyscalls. @@ -402,7 +402,7 @@ ENTRY(fsys_fallback_syscall) mov r26=ar.pfs END(fsys_fallback_syscall) /* FALL THROUGH */ -GLOBAL_ENTRY(paravirt_fsys_bubble_down) +GLOBAL_ENTRY(fsys_bubble_down) .prologue .altrp b6 .body @@ -440,7 +440,7 @@ GLOBAL_ENTRY(paravirt_fsys_bubble_down) * * PSR.BE : already is turned off in __kernel_syscall_via_epc() * PSR.AC : don't care (kernel normally turns PSR.AC on) - * PSR.I : already turned off by the time paravirt_fsys_bubble_down gets + * PSR.I : already turned off by the time fsys_bubble_down gets * invoked * PSR.DFL: always 0 (kernel never turns it on) * PSR.DFH: don't care --- kernel never touches f32-f127 on its own @@ -450,7 +450,7 @@ GLOBAL_ENTRY(paravirt_fsys_bubble_down) * PSR.DB : don't care --- kernel never enables kernel-level * breakpoints * PSR.TB : must be 0 already; if it wasn't zero on entry to - * __kernel_syscall_via_epc, the branch to paravirt_fsys_bubble_down + * __kernel_syscall_via_epc, the branch to fsys_bubble_down * will trigger a taken branch; the taken-trap-handler then * converts the syscall into a break-based system-call. */ @@ -541,14 +541,14 @@ GLOBAL_ENTRY(paravirt_fsys_bubble_down) nop.m 0 (p8) br.call.sptk.many b6=b6 // B (ignore return address) br.cond.spnt ia64_trace_syscall // B -END(paravirt_fsys_bubble_down) +END(fsys_bubble_down) .rodata .align 8 - .globl paravirt_fsyscall_table + .globl fsyscall_table - data8 paravirt_fsys_bubble_down -paravirt_fsyscall_table: + data8 fsys_bubble_down +fsyscall_table: data8 fsys_ni_syscall data8 0 // exit // 1025 data8 0 // read @@ -833,4 +833,4 @@ paravirt_fsyscall_table: // fill in zeros for the remaining entries .zero: - .space paravirt_fsyscall_table + 8*NR_syscalls - .zero, 0 + .space fsyscall_table + 8*NR_syscalls - .zero, 0 diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S index b5f8bdd..0bd1b3b 100644 --- a/arch/ia64/kernel/gate.S +++ b/arch/ia64/kernel/gate.S @@ -14,7 +14,7 @@ #include <asm/unistd.h> #include <asm/kregs.h> #include <asm/page.h> -#include "paravirt_inst.h" +#include <asm/native/inst.h> /* * We can't easily refer to symbols inside the kernel. To avoid full runtime relocation, @@ -376,11 +376,4 @@ GLOBAL_ENTRY(__kernel_syscall_via_epc) (p9) mov r8=ENOSYS FSYS_RETURN -#ifdef CONFIG_PARAVIRT - /* - * padd to make the size of this symbol constant - * independent of paravirtualization. - */ - .align PAGE_SIZE / 8 -#endif END(__kernel_syscall_via_epc) diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S index e518f79..3e8271e 100644 --- a/arch/ia64/kernel/gate.lds.S +++ b/arch/ia64/kernel/gate.lds.S @@ -6,7 +6,6 @@ */ #include <asm/page.h> -#include "paravirt_patchlist.h" SECTIONS { @@ -33,21 +32,21 @@ SECTIONS . = GATE_ADDR + 0x600; .data..patch : { - __paravirt_start_gate_mckinley_e9_patchlist = .; + __start_gate_mckinley_e9_patchlist = .; *(.data..patch.mckinley_e9) - __paravirt_end_gate_mckinley_e9_patchlist = .; + __end_gate_mckinley_e9_patchlist = .; - __paravirt_start_gate_vtop_patchlist = .; + __start_gate_vtop_patchlist = .; *(.data..patch.vtop) - __paravirt_end_gate_vtop_patchlist = .; + __end_gate_vtop_patchlist = .; - __paravirt_start_gate_fsyscall_patchlist = .; + __start_gate_fsyscall_patchlist = .; *(.data..patch.fsyscall_table) - __paravirt_end_gate_fsyscall_patchlist = .; + __end_gate_fsyscall_patchlist = .; - __paravirt_start_gate_brl_fsys_bubble_down_patchlist = .; + __start_gate_brl_fsys_bubble_down_patchlist = .; *(.data..patch.brl_fsys_bubble_down) - __paravirt_end_gate_brl_fsys_bubble_down_patchlist = .; + __end_gate_brl_fsys_bubble_down_patchlist = .; } :readable .IA_64.unwind_info : { *(.IA_64.unwind_info*) } diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index a4acdda..bb748c5 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -26,7 +26,6 @@ #include <asm/mmu_context.h> #include <asm/asm-offsets.h> #include <asm/pal.h> -#include <asm/paravirt.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/ptrace.h> @@ -394,41 +393,6 @@ start_ap: ;; (isBP) st8 [r2]=r28 // save the address of the boot param area passed by the bootloader -#ifdef CONFIG_PARAVIRT - - movl r14=hypervisor_setup_hooks - movl r15=hypervisor_type - mov r16=num_hypervisor_hooks - ;; - ld8 r2=[r15] - ;; - cmp.ltu p7,p0=r2,r16 // array size check - shladd r8=r2,3,r14 - ;; -(p7) ld8 r9=[r8] - ;; -(p7) mov b1=r9 -(p7) cmp.ne.unc p7,p0=r9,r0 // no actual branch to NULL - ;; -(p7) br.call.sptk.many rp=b1 - - __INITDATA - -default_setup_hook = 0 // Currently nothing needs to be done. - - .global hypervisor_type -hypervisor_type: - data8 PARAVIRT_HYPERVISOR_TYPE_DEFAULT - - // must have the same order with PARAVIRT_HYPERVISOR_TYPE_xxx - -hypervisor_setup_hooks: - data8 default_setup_hook -num_hypervisor_hooks = (. - hypervisor_setup_hooks) / 8 - .previous - -#endif - #ifdef CONFIG_SMP (isAP) br.call.sptk.many rp=start_secondary .ret0: @@ -1063,12 +1027,6 @@ GLOBAL_ENTRY(ia64_native_sched_clock) shrp r8=r9,r8,IA64_NSEC_PER_CYC_SHIFT br.ret.sptk.many rp END(ia64_native_sched_clock) -#ifndef CONFIG_PARAVIRT - //unsigned long long - //sched_clock(void) __attribute__((alias("ia64_native_sched_clock"))); - .global sched_clock -sched_clock = ia64_native_sched_clock -#endif #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE GLOBAL_ENTRY(cycle_to_cputime) diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S index e42bf7a..b1c3cfc 100644 --- a/arch/ia64/kernel/ivt.S +++ b/arch/ia64/kernel/ivt.S @@ -937,7 +937,6 @@ END(interrupt) * - ar.fpsr: set to kernel settings * - b6: preserved (same as on entry) */ -#ifdef __IA64_ASM_PARAVIRTUALIZED_NATIVE GLOBAL_ENTRY(ia64_syscall_setup) #if PT(B6) != 0 # error This code assumes that b6 is the first field in pt_regs. @@ -1029,7 +1028,6 @@ GLOBAL_ENTRY(ia64_syscall_setup) (p10) mov r8=-EINVAL br.ret.sptk.many b7 END(ia64_syscall_setup) -#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ .org ia64_ivt+0x3c00 ///////////////////////////////////////////////////////////////////////////////////////// @@ -1043,7 +1041,7 @@ END(ia64_syscall_setup) DBG_FAULT(16) FAULT(16) -#if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) && defined(__IA64_ASM_PARAVIRTUALIZED_NATIVE) +#if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) /* * There is no particular reason for this code to be here, other than * that there happens to be space here that would go unused otherwise. diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h index cc82a7d..5704700 100644 --- a/arch/ia64/kernel/minstate.h +++ b/arch/ia64/kernel/minstate.h @@ -2,7 +2,7 @@ #include <asm/cache.h> #include "entry.h" -#include "paravirt_inst.h" +#include <asm/native/inst.h> #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE /* read ar.itc in advance, and use it before leaving bank 0 */ diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index 29754aa..b15933c 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -439,14 +439,6 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings, mod->arch.opd = s; else if (strcmp(".IA_64.unwind", secstrings + s->sh_name) == 0) mod->arch.unwind = s; -#ifdef CONFIG_PARAVIRT - else if (strcmp(".paravirt_bundles", - secstrings + s->sh_name) == 0) - mod->arch.paravirt_bundles = s; - else if (strcmp(".paravirt_insts", - secstrings + s->sh_name) == 0) - mod->arch.paravirt_insts = s; -#endif if (!mod->arch.core_plt || !mod->arch.init_plt || !mod->arch.got || !mod->arch.opd) { printk(KERN_ERR "%s: sections missing\n", mod->name); @@ -914,30 +906,6 @@ module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mo DEBUGP("%s: init: entry=%p\n", __func__, mod->init); if (mod->arch.unwind) register_unwind_table(mod); -#ifdef CONFIG_PARAVIRT - if (mod->arch.paravirt_bundles) { - struct paravirt_patch_site_bundle *start = - (struct paravirt_patch_site_bundle *) - mod->arch.paravirt_bundles->sh_addr; - struct paravirt_patch_site_bundle *end = - (struct paravirt_patch_site_bundle *) - (mod->arch.paravirt_bundles->sh_addr + - mod->arch.paravirt_bundles->sh_size); - - paravirt_patch_apply_bundle(start, end); - } - if (mod->arch.paravirt_insts) { - struct paravirt_patch_site_inst *start = - (struct paravirt_patch_site_inst *) - mod->arch.paravirt_insts->sh_addr; - struct paravirt_patch_site_inst *end = - (struct paravirt_patch_site_inst *) - (mod->arch.paravirt_insts->sh_addr + - mod->arch.paravirt_insts->sh_size); - - paravirt_patch_apply_inst(start, end); - } -#endif return 0; } diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c deleted file mode 100644 index 1b22f6de..0000000 --- a/arch/ia64/kernel/paravirt.c +++ /dev/null @@ -1,902 +0,0 @@ -/****************************************************************************** - * arch/ia64/kernel/paravirt.c - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * Yaozu (Eddie) Dong <eddie.dong@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> - -#include <linux/compiler.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/module.h> -#include <linux/types.h> - -#include <asm/iosapic.h> -#include <asm/paravirt.h> - -/*************************************************************************** - * general info - */ -struct pv_info pv_info = { - .kernel_rpl = 0, - .paravirt_enabled = 0, - .name = "bare hardware" -}; - -/*************************************************************************** - * pv_init_ops - * initialization hooks. - */ - -static void __init -ia64_native_patch_branch(unsigned long tag, unsigned long type); - -struct pv_init_ops pv_init_ops = -{ -#ifdef ASM_SUPPORTED - .patch_bundle = ia64_native_patch_bundle, -#endif - .patch_branch = ia64_native_patch_branch, -}; - -/*************************************************************************** - * pv_cpu_ops - * intrinsics hooks. - */ - -#ifndef ASM_SUPPORTED -/* ia64_native_xxx are macros so that we have to make them real functions */ - -#define DEFINE_VOID_FUNC1(name) \ - static void \ - ia64_native_ ## name ## _func(unsigned long arg) \ - { \ - ia64_native_ ## name(arg); \ - } - -#define DEFINE_VOID_FUNC1_VOID(name) \ - static void \ - ia64_native_ ## name ## _func(void *arg) \ - { \ - ia64_native_ ## name(arg); \ - } - -#define DEFINE_VOID_FUNC2(name) \ - static void \ - ia64_native_ ## name ## _func(unsigned long arg0, \ - unsigned long arg1) \ - { \ - ia64_native_ ## name(arg0, arg1); \ - } - -#define DEFINE_FUNC0(name) \ - static unsigned long \ - ia64_native_ ## name ## _func(void) \ - { \ - return ia64_native_ ## name(); \ - } - -#define DEFINE_FUNC1(name, type) \ - static unsigned long \ - ia64_native_ ## name ## _func(type arg) \ - { \ - return ia64_native_ ## name(arg); \ - } \ - -DEFINE_VOID_FUNC1_VOID(fc); -DEFINE_VOID_FUNC1(intrin_local_irq_restore); - -DEFINE_VOID_FUNC2(ptcga); -DEFINE_VOID_FUNC2(set_rr); - -DEFINE_FUNC0(get_psr_i); - -DEFINE_FUNC1(thash, unsigned long); -DEFINE_FUNC1(get_cpuid, int); -DEFINE_FUNC1(get_pmd, int); -DEFINE_FUNC1(get_rr, unsigned long); - -static void -ia64_native_ssm_i_func(void) -{ - ia64_native_ssm(IA64_PSR_I); -} - -static void -ia64_native_rsm_i_func(void) -{ - ia64_native_rsm(IA64_PSR_I); -} - -static void -ia64_native_set_rr0_to_rr4_func(unsigned long val0, unsigned long val1, - unsigned long val2, unsigned long val3, - unsigned long val4) -{ - ia64_native_set_rr0_to_rr4(val0, val1, val2, val3, val4); -} - -#define CASE_GET_REG(id) \ - case _IA64_REG_ ## id: \ - res = ia64_native_getreg(_IA64_REG_ ## id); \ - break; -#define CASE_GET_AR(id) CASE_GET_REG(AR_ ## id) -#define CASE_GET_CR(id) CASE_GET_REG(CR_ ## id) - -unsigned long -ia64_native_getreg_func(int regnum) -{ - unsigned long res = -1; - switch (regnum) { - CASE_GET_REG(GP); - /*CASE_GET_REG(IP);*/ /* returned ip value shouldn't be constant */ - CASE_GET_REG(PSR); - CASE_GET_REG(TP); - CASE_GET_REG(SP); - - CASE_GET_AR(KR0); - CASE_GET_AR(KR1); - CASE_GET_AR(KR2); - CASE_GET_AR(KR3); - CASE_GET_AR(KR4); - CASE_GET_AR(KR5); - CASE_GET_AR(KR6); - CASE_GET_AR(KR7); - CASE_GET_AR(RSC); - CASE_GET_AR(BSP); - CASE_GET_AR(BSPSTORE); - CASE_GET_AR(RNAT); - CASE_GET_AR(FCR); - CASE_GET_AR(EFLAG); - CASE_GET_AR(CSD); - CASE_GET_AR(SSD); - CASE_GET_AR(CFLAG); - CASE_GET_AR(FSR); - CASE_GET_AR(FIR); - CASE_GET_AR(FDR); - CASE_GET_AR(CCV); - CASE_GET_AR(UNAT); - CASE_GET_AR(FPSR); - CASE_GET_AR(ITC); - CASE_GET_AR(PFS); - CASE_GET_AR(LC); - CASE_GET_AR(EC); - - CASE_GET_CR(DCR); - CASE_GET_CR(ITM); - CASE_GET_CR(IVA); - CASE_GET_CR(PTA); - CASE_GET_CR(IPSR); - CASE_GET_CR(ISR); - CASE_GET_CR(IIP); - CASE_GET_CR(IFA); - CASE_GET_CR(ITIR); - CASE_GET_CR(IIPA); - CASE_GET_CR(IFS); - CASE_GET_CR(IIM); - CASE_GET_CR(IHA); - CASE_GET_CR(LID); - CASE_GET_CR(IVR); - CASE_GET_CR(TPR); - CASE_GET_CR(EOI); - CASE_GET_CR(IRR0); - CASE_GET_CR(IRR1); - CASE_GET_CR(IRR2); - CASE_GET_CR(IRR3); - CASE_GET_CR(ITV); - CASE_GET_CR(PMV); - CASE_GET_CR(CMCV); - CASE_GET_CR(LRR0); - CASE_GET_CR(LRR1); - - default: - printk(KERN_CRIT "wrong_getreg %d\n", regnum); - break; - } - return res; -} - -#define CASE_SET_REG(id) \ - case _IA64_REG_ ## id: \ - ia64_native_setreg(_IA64_REG_ ## id, val); \ - break; -#define CASE_SET_AR(id) CASE_SET_REG(AR_ ## id) -#define CASE_SET_CR(id) CASE_SET_REG(CR_ ## id) - -void -ia64_native_setreg_func(int regnum, unsigned long val) -{ - switch (regnum) { - case _IA64_REG_PSR_L: - ia64_native_setreg(_IA64_REG_PSR_L, val); - ia64_dv_serialize_data(); - break; - CASE_SET_REG(SP); - CASE_SET_REG(GP); - - CASE_SET_AR(KR0); - CASE_SET_AR(KR1); - CASE_SET_AR(KR2); - CASE_SET_AR(KR3); - CASE_SET_AR(KR4); - CASE_SET_AR(KR5); - CASE_SET_AR(KR6); - CASE_SET_AR(KR7); - CASE_SET_AR(RSC); - CASE_SET_AR(BSP); - CASE_SET_AR(BSPSTORE); - CASE_SET_AR(RNAT); - CASE_SET_AR(FCR); - CASE_SET_AR(EFLAG); - CASE_SET_AR(CSD); - CASE_SET_AR(SSD); - CASE_SET_AR(CFLAG); - CASE_SET_AR(FSR); - CASE_SET_AR(FIR); - CASE_SET_AR(FDR); - CASE_SET_AR(CCV); - CASE_SET_AR(UNAT); - CASE_SET_AR(FPSR); - CASE_SET_AR(ITC); - CASE_SET_AR(PFS); - CASE_SET_AR(LC); - CASE_SET_AR(EC); - - CASE_SET_CR(DCR); - CASE_SET_CR(ITM); - CASE_SET_CR(IVA); - CASE_SET_CR(PTA); - CASE_SET_CR(IPSR); - CASE_SET_CR(ISR); - CASE_SET_CR(IIP); - CASE_SET_CR(IFA); - CASE_SET_CR(ITIR); - CASE_SET_CR(IIPA); - CASE_SET_CR(IFS); - CASE_SET_CR(IIM); - CASE_SET_CR(IHA); - CASE_SET_CR(LID); - CASE_SET_CR(IVR); - CASE_SET_CR(TPR); - CASE_SET_CR(EOI); - CASE_SET_CR(IRR0); - CASE_SET_CR(IRR1); - CASE_SET_CR(IRR2); - CASE_SET_CR(IRR3); - CASE_SET_CR(ITV); - CASE_SET_CR(PMV); - CASE_SET_CR(CMCV); - CASE_SET_CR(LRR0); - CASE_SET_CR(LRR1); - default: - printk(KERN_CRIT "wrong setreg %d\n", regnum); - break; - } -} -#else - -#define __DEFINE_FUNC(name, code) \ - extern const char ia64_native_ ## name ## _direct_start[]; \ - extern const char ia64_native_ ## name ## _direct_end[]; \ - asm (".align 32\n" \ - ".proc ia64_native_" #name "_func\n" \ - "ia64_native_" #name "_func:\n" \ - "ia64_native_" #name "_direct_start:\n" \ - code \ - "ia64_native_" #name "_direct_end:\n" \ - "br.cond.sptk.many b6\n" \ - ".endp ia64_native_" #name "_func\n") - -#define DEFINE_VOID_FUNC0(name, code) \ - extern void \ - ia64_native_ ## name ## _func(void); \ - __DEFINE_FUNC(name, code) - -#define DEFINE_VOID_FUNC1(name, code) \ - extern void \ - ia64_native_ ## name ## _func(unsigned long arg); \ - __DEFINE_FUNC(name, code) - -#define DEFINE_VOID_FUNC1_VOID(name, code) \ - extern void \ - ia64_native_ ## name ## _func(void *arg); \ - __DEFINE_FUNC(name, code) - -#define DEFINE_VOID_FUNC2(name, code) \ - extern void \ - ia64_native_ ## name ## _func(unsigned long arg0, \ - unsigned long arg1); \ - __DEFINE_FUNC(name, code) - -#define DEFINE_FUNC0(name, code) \ - extern unsigned long \ - ia64_native_ ## name ## _func(void); \ - __DEFINE_FUNC(name, code) - -#define DEFINE_FUNC1(name, type, code) \ - extern unsigned long \ - ia64_native_ ## name ## _func(type arg); \ - __DEFINE_FUNC(name, code) - -DEFINE_VOID_FUNC1_VOID(fc, - "fc r8\n"); -DEFINE_VOID_FUNC1(intrin_local_irq_restore, - ";;\n" - " cmp.ne p6, p7 = r8, r0\n" - ";;\n" - "(p6) ssm psr.i\n" - "(p7) rsm psr.i\n" - ";;\n" - "(p6) srlz.d\n"); - -DEFINE_VOID_FUNC2(ptcga, - "ptc.ga r8, r9\n"); -DEFINE_VOID_FUNC2(set_rr, - "mov rr[r8] = r9\n"); - -/* ia64_native_getreg(_IA64_REG_PSR) & IA64_PSR_I */ -DEFINE_FUNC0(get_psr_i, - "mov r2 = " __stringify(1 << IA64_PSR_I_BIT) "\n" - "mov r8 = psr\n" - ";;\n" - "and r8 = r2, r8\n"); - -DEFINE_FUNC1(thash, unsigned long, - "thash r8 = r8\n"); -DEFINE_FUNC1(get_cpuid, int, - "mov r8 = cpuid[r8]\n"); -DEFINE_FUNC1(get_pmd, int, - "mov r8 = pmd[r8]\n"); -DEFINE_FUNC1(get_rr, unsigned long, - "mov r8 = rr[r8]\n"); - -DEFINE_VOID_FUNC0(ssm_i, - "ssm psr.i\n"); -DEFINE_VOID_FUNC0(rsm_i, - "rsm psr.i\n"); - -extern void -ia64_native_set_rr0_to_rr4_func(unsigned long val0, unsigned long val1, - unsigned long val2, unsigned long val3, - unsigned long val4); -__DEFINE_FUNC(set_rr0_to_rr4, - "mov rr[r0] = r8\n" - "movl r2 = 0x2000000000000000\n" - ";;\n" - "mov rr[r2] = r9\n" - "shl r3 = r2, 1\n" /* movl r3 = 0x4000000000000000 */ - ";;\n" - "add r2 = r2, r3\n" /* movl r2 = 0x6000000000000000 */ - "mov rr[r3] = r10\n" - ";;\n" - "mov rr[r2] = r11\n" - "shl r3 = r3, 1\n" /* movl r3 = 0x8000000000000000 */ - ";;\n" - "mov rr[r3] = r14\n"); - -extern unsigned long ia64_native_getreg_func(int regnum); -asm(".global ia64_native_getreg_func\n"); -#define __DEFINE_GET_REG(id, reg) \ - "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \ - ";;\n" \ - "cmp.eq p6, p0 = r2, r8\n" \ - ";;\n" \ - "(p6) mov r8 = " #reg "\n" \ - "(p6) br.cond.sptk.many b6\n" \ - ";;\n" -#define __DEFINE_GET_AR(id, reg) __DEFINE_GET_REG(AR_ ## id, ar.reg) -#define __DEFINE_GET_CR(id, reg) __DEFINE_GET_REG(CR_ ## id, cr.reg) - -__DEFINE_FUNC(getreg, - __DEFINE_GET_REG(GP, gp) - /*__DEFINE_GET_REG(IP, ip)*/ /* returned ip value shouldn't be constant */ - __DEFINE_GET_REG(PSR, psr) - __DEFINE_GET_REG(TP, tp) - __DEFINE_GET_REG(SP, sp) - - __DEFINE_GET_REG(AR_KR0, ar0) - __DEFINE_GET_REG(AR_KR1, ar1) - __DEFINE_GET_REG(AR_KR2, ar2) - __DEFINE_GET_REG(AR_KR3, ar3) - __DEFINE_GET_REG(AR_KR4, ar4) - __DEFINE_GET_REG(AR_KR5, ar5) - __DEFINE_GET_REG(AR_KR6, ar6) - __DEFINE_GET_REG(AR_KR7, ar7) - __DEFINE_GET_AR(RSC, rsc) - __DEFINE_GET_AR(BSP, bsp) - __DEFINE_GET_AR(BSPSTORE, bspstore) - __DEFINE_GET_AR(RNAT, rnat) - __DEFINE_GET_AR(FCR, fcr) - __DEFINE_GET_AR(EFLAG, eflag) - __DEFINE_GET_AR(CSD, csd) - __DEFINE_GET_AR(SSD, ssd) - __DEFINE_GET_REG(AR_CFLAG, ar27) - __DEFINE_GET_AR(FSR, fsr) - __DEFINE_GET_AR(FIR, fir) - __DEFINE_GET_AR(FDR, fdr) - __DEFINE_GET_AR(CCV, ccv) - __DEFINE_GET_AR(UNAT, unat) - __DEFINE_GET_AR(FPSR, fpsr) - __DEFINE_GET_AR(ITC, itc) - __DEFINE_GET_AR(PFS, pfs) - __DEFINE_GET_AR(LC, lc) - __DEFINE_GET_AR(EC, ec) - - __DEFINE_GET_CR(DCR, dcr) - __DEFINE_GET_CR(ITM, itm) - __DEFINE_GET_CR(IVA, iva) - __DEFINE_GET_CR(PTA, pta) - __DEFINE_GET_CR(IPSR, ipsr) - __DEFINE_GET_CR(ISR, isr) - __DEFINE_GET_CR(IIP, iip) - __DEFINE_GET_CR(IFA, ifa) - __DEFINE_GET_CR(ITIR, itir) - __DEFINE_GET_CR(IIPA, iipa) - __DEFINE_GET_CR(IFS, ifs) - __DEFINE_GET_CR(IIM, iim) - __DEFINE_GET_CR(IHA, iha) - __DEFINE_GET_CR(LID, lid) - __DEFINE_GET_CR(IVR, ivr) - __DEFINE_GET_CR(TPR, tpr) - __DEFINE_GET_CR(EOI, eoi) - __DEFINE_GET_CR(IRR0, irr0) - __DEFINE_GET_CR(IRR1, irr1) - __DEFINE_GET_CR(IRR2, irr2) - __DEFINE_GET_CR(IRR3, irr3) - __DEFINE_GET_CR(ITV, itv) - __DEFINE_GET_CR(PMV, pmv) - __DEFINE_GET_CR(CMCV, cmcv) - __DEFINE_GET_CR(LRR0, lrr0) - __DEFINE_GET_CR(LRR1, lrr1) - - "mov r8 = -1\n" /* unsupported case */ - ); - -extern void ia64_native_setreg_func(int regnum, unsigned long val); -asm(".global ia64_native_setreg_func\n"); -#define __DEFINE_SET_REG(id, reg) \ - "mov r2 = " __stringify(_IA64_REG_ ## id) "\n" \ - ";;\n" \ - "cmp.eq p6, p0 = r2, r9\n" \ - ";;\n" \ - "(p6) mov " #reg " = r8\n" \ - "(p6) br.cond.sptk.many b6\n" \ - ";;\n" -#define __DEFINE_SET_AR(id, reg) __DEFINE_SET_REG(AR_ ## id, ar.reg) -#define __DEFINE_SET_CR(id, reg) __DEFINE_SET_REG(CR_ ## id, cr.reg) -__DEFINE_FUNC(setreg, - "mov r2 = " __stringify(_IA64_REG_PSR_L) "\n" - ";;\n" - "cmp.eq p6, p0 = r2, r9\n" - ";;\n" - "(p6) mov psr.l = r8\n" -#ifdef HAVE_SERIALIZE_DIRECTIVE - ".serialize.data\n" -#endif - "(p6) br.cond.sptk.many b6\n" - __DEFINE_SET_REG(GP, gp) - __DEFINE_SET_REG(SP, sp) - - __DEFINE_SET_REG(AR_KR0, ar0) - __DEFINE_SET_REG(AR_KR1, ar1) - __DEFINE_SET_REG(AR_KR2, ar2) - __DEFINE_SET_REG(AR_KR3, ar3) - __DEFINE_SET_REG(AR_KR4, ar4) - __DEFINE_SET_REG(AR_KR5, ar5) - __DEFINE_SET_REG(AR_KR6, ar6) - __DEFINE_SET_REG(AR_KR7, ar7) - __DEFINE_SET_AR(RSC, rsc) - __DEFINE_SET_AR(BSP, bsp) - __DEFINE_SET_AR(BSPSTORE, bspstore) - __DEFINE_SET_AR(RNAT, rnat) - __DEFINE_SET_AR(FCR, fcr) - __DEFINE_SET_AR(EFLAG, eflag) - __DEFINE_SET_AR(CSD, csd) - __DEFINE_SET_AR(SSD, ssd) - __DEFINE_SET_REG(AR_CFLAG, ar27) - __DEFINE_SET_AR(FSR, fsr) - __DEFINE_SET_AR(FIR, fir) - __DEFINE_SET_AR(FDR, fdr) - __DEFINE_SET_AR(CCV, ccv) - __DEFINE_SET_AR(UNAT, unat) - __DEFINE_SET_AR(FPSR, fpsr) - __DEFINE_SET_AR(ITC, itc) - __DEFINE_SET_AR(PFS, pfs) - __DEFINE_SET_AR(LC, lc) - __DEFINE_SET_AR(EC, ec) - - __DEFINE_SET_CR(DCR, dcr) - __DEFINE_SET_CR(ITM, itm) - __DEFINE_SET_CR(IVA, iva) - __DEFINE_SET_CR(PTA, pta) - __DEFINE_SET_CR(IPSR, ipsr) - __DEFINE_SET_CR(ISR, isr) - __DEFINE_SET_CR(IIP, iip) - __DEFINE_SET_CR(IFA, ifa) - __DEFINE_SET_CR(ITIR, itir) - __DEFINE_SET_CR(IIPA, iipa) - __DEFINE_SET_CR(IFS, ifs) - __DEFINE_SET_CR(IIM, iim) - __DEFINE_SET_CR(IHA, iha) - __DEFINE_SET_CR(LID, lid) - __DEFINE_SET_CR(IVR, ivr) - __DEFINE_SET_CR(TPR, tpr) - __DEFINE_SET_CR(EOI, eoi) - __DEFINE_SET_CR(IRR0, irr0) - __DEFINE_SET_CR(IRR1, irr1) - __DEFINE_SET_CR(IRR2, irr2) - __DEFINE_SET_CR(IRR3, irr3) - __DEFINE_SET_CR(ITV, itv) - __DEFINE_SET_CR(PMV, pmv) - __DEFINE_SET_CR(CMCV, cmcv) - __DEFINE_SET_CR(LRR0, lrr0) - __DEFINE_SET_CR(LRR1, lrr1) - ); -#endif - -struct pv_cpu_ops pv_cpu_ops = { - .fc = ia64_native_fc_func, - .thash = ia64_native_thash_func, - .get_cpuid = ia64_native_get_cpuid_func, - .get_pmd = ia64_native_get_pmd_func, - .ptcga = ia64_native_ptcga_func, - .get_rr = ia64_native_get_rr_func, - .set_rr = ia64_native_set_rr_func, - .set_rr0_to_rr4 = ia64_native_set_rr0_to_rr4_func, - .ssm_i = ia64_native_ssm_i_func, - .getreg = ia64_native_getreg_func, - .setreg = ia64_native_setreg_func, - .rsm_i = ia64_native_rsm_i_func, - .get_psr_i = ia64_native_get_psr_i_func, - .intrin_local_irq_restore - = ia64_native_intrin_local_irq_restore_func, -}; -EXPORT_SYMBOL(pv_cpu_ops); - -/****************************************************************************** - * replacement of hand written assembly codes. - */ - -void -paravirt_cpu_asm_init(const struct pv_cpu_asm_switch *cpu_asm_switch) -{ - extern unsigned long paravirt_switch_to_targ; - extern unsigned long paravirt_leave_syscall_targ; - extern unsigned long paravirt_work_processed_syscall_targ; - extern unsigned long paravirt_leave_kernel_targ; - - paravirt_switch_to_targ = cpu_asm_switch->switch_to; - paravirt_leave_syscall_targ = cpu_asm_switch->leave_syscall; - paravirt_work_processed_syscall_targ = - cpu_asm_switch->work_processed_syscall; - paravirt_leave_kernel_targ = cpu_asm_switch->leave_kernel; -} - -/*************************************************************************** - * pv_iosapic_ops - * iosapic read/write hooks. - */ - -static unsigned int -ia64_native_iosapic_read(char __iomem *iosapic, unsigned int reg) -{ - return __ia64_native_iosapic_read(iosapic, reg); -} - -static void -ia64_native_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) -{ - __ia64_native_iosapic_write(iosapic, reg, val); -} - -struct pv_iosapic_ops pv_iosapic_ops = { - .pcat_compat_init = ia64_native_iosapic_pcat_compat_init, - .__get_irq_chip = ia64_native_iosapic_get_irq_chip, - - .__read = ia64_native_iosapic_read, - .__write = ia64_native_iosapic_write, -}; - -/*************************************************************************** - * pv_irq_ops - * irq operations - */ - -struct pv_irq_ops pv_irq_ops = { - .register_ipi = ia64_native_register_ipi, - - .assign_irq_vector = ia64_native_assign_irq_vector, - .free_irq_vector = ia64_native_free_irq_vector, - .register_percpu_irq = ia64_native_register_percpu_irq, - - .resend_irq = ia64_native_resend_irq, -}; - -/*************************************************************************** - * pv_time_ops - * time operations - */ -struct static_key paravirt_steal_enabled; -struct static_key paravirt_steal_rq_enabled; - -static int -ia64_native_do_steal_accounting(unsigned long *new_itm) -{ - return 0; -} - -struct pv_time_ops pv_time_ops = { - .do_steal_accounting = ia64_native_do_steal_accounting, - .sched_clock = ia64_native_sched_clock, -}; - -/*************************************************************************** - * binary pacthing - * pv_init_ops.patch_bundle - */ - -#ifdef ASM_SUPPORTED -#define IA64_NATIVE_PATCH_DEFINE_GET_REG(name, reg) \ - __DEFINE_FUNC(get_ ## name, \ - ";;\n" \ - "mov r8 = " #reg "\n" \ - ";;\n") - -#define IA64_NATIVE_PATCH_DEFINE_SET_REG(name, reg) \ - __DEFINE_FUNC(set_ ## name, \ - ";;\n" \ - "mov " #reg " = r8\n" \ - ";;\n") - -#define IA64_NATIVE_PATCH_DEFINE_REG(name, reg) \ - IA64_NATIVE_PATCH_DEFINE_GET_REG(name, reg); \ - IA64_NATIVE_PATCH_DEFINE_SET_REG(name, reg) \ - -#define IA64_NATIVE_PATCH_DEFINE_AR(name, reg) \ - IA64_NATIVE_PATCH_DEFINE_REG(ar_ ## name, ar.reg) - -#define IA64_NATIVE_PATCH_DEFINE_CR(name, reg) \ - IA64_NATIVE_PATCH_DEFINE_REG(cr_ ## name, cr.reg) - - -IA64_NATIVE_PATCH_DEFINE_GET_REG(psr, psr); -IA64_NATIVE_PATCH_DEFINE_GET_REG(tp, tp); - -/* IA64_NATIVE_PATCH_DEFINE_SET_REG(psr_l, psr.l); */ -__DEFINE_FUNC(set_psr_l, - ";;\n" - "mov psr.l = r8\n" -#ifdef HAVE_SERIALIZE_DIRECTIVE - ".serialize.data\n" -#endif - ";;\n"); - -IA64_NATIVE_PATCH_DEFINE_REG(gp, gp); -IA64_NATIVE_PATCH_DEFINE_REG(sp, sp); - -IA64_NATIVE_PATCH_DEFINE_REG(kr0, ar0); -IA64_NATIVE_PATCH_DEFINE_REG(kr1, ar1); -IA64_NATIVE_PATCH_DEFINE_REG(kr2, ar2); -IA64_NATIVE_PATCH_DEFINE_REG(kr3, ar3); -IA64_NATIVE_PATCH_DEFINE_REG(kr4, ar4); -IA64_NATIVE_PATCH_DEFINE_REG(kr5, ar5); -IA64_NATIVE_PATCH_DEFINE_REG(kr6, ar6); -IA64_NATIVE_PATCH_DEFINE_REG(kr7, ar7); - -IA64_NATIVE_PATCH_DEFINE_AR(rsc, rsc); -IA64_NATIVE_PATCH_DEFINE_AR(bsp, bsp); -IA64_NATIVE_PATCH_DEFINE_AR(bspstore, bspstore); -IA64_NATIVE_PATCH_DEFINE_AR(rnat, rnat); -IA64_NATIVE_PATCH_DEFINE_AR(fcr, fcr); -IA64_NATIVE_PATCH_DEFINE_AR(eflag, eflag); -IA64_NATIVE_PATCH_DEFINE_AR(csd, csd); -IA64_NATIVE_PATCH_DEFINE_AR(ssd, ssd); -IA64_NATIVE_PATCH_DEFINE_REG(ar27, ar27); -IA64_NATIVE_PATCH_DEFINE_AR(fsr, fsr); -IA64_NATIVE_PATCH_DEFINE_AR(fir, fir); -IA64_NATIVE_PATCH_DEFINE_AR(fdr, fdr); -IA64_NATIVE_PATCH_DEFINE_AR(ccv, ccv); -IA64_NATIVE_PATCH_DEFINE_AR(unat, unat); -IA64_NATIVE_PATCH_DEFINE_AR(fpsr, fpsr); -IA64_NATIVE_PATCH_DEFINE_AR(itc, itc); -IA64_NATIVE_PATCH_DEFINE_AR(pfs, pfs); -IA64_NATIVE_PATCH_DEFINE_AR(lc, lc); -IA64_NATIVE_PATCH_DEFINE_AR(ec, ec); - -IA64_NATIVE_PATCH_DEFINE_CR(dcr, dcr); -IA64_NATIVE_PATCH_DEFINE_CR(itm, itm); -IA64_NATIVE_PATCH_DEFINE_CR(iva, iva); -IA64_NATIVE_PATCH_DEFINE_CR(pta, pta); -IA64_NATIVE_PATCH_DEFINE_CR(ipsr, ipsr); -IA64_NATIVE_PATCH_DEFINE_CR(isr, isr); -IA64_NATIVE_PATCH_DEFINE_CR(iip, iip); -IA64_NATIVE_PATCH_DEFINE_CR(ifa, ifa); -IA64_NATIVE_PATCH_DEFINE_CR(itir, itir); -IA64_NATIVE_PATCH_DEFINE_CR(iipa, iipa); -IA64_NATIVE_PATCH_DEFINE_CR(ifs, ifs); -IA64_NATIVE_PATCH_DEFINE_CR(iim, iim); -IA64_NATIVE_PATCH_DEFINE_CR(iha, iha); -IA64_NATIVE_PATCH_DEFINE_CR(lid, lid); -IA64_NATIVE_PATCH_DEFINE_CR(ivr, ivr); -IA64_NATIVE_PATCH_DEFINE_CR(tpr, tpr); -IA64_NATIVE_PATCH_DEFINE_CR(eoi, eoi); -IA64_NATIVE_PATCH_DEFINE_CR(irr0, irr0); -IA64_NATIVE_PATCH_DEFINE_CR(irr1, irr1); -IA64_NATIVE_PATCH_DEFINE_CR(irr2, irr2); -IA64_NATIVE_PATCH_DEFINE_CR(irr3, irr3); -IA64_NATIVE_PATCH_DEFINE_CR(itv, itv); -IA64_NATIVE_PATCH_DEFINE_CR(pmv, pmv); -IA64_NATIVE_PATCH_DEFINE_CR(cmcv, cmcv); -IA64_NATIVE_PATCH_DEFINE_CR(lrr0, lrr0); -IA64_NATIVE_PATCH_DEFINE_CR(lrr1, lrr1); - -static const struct paravirt_patch_bundle_elem ia64_native_patch_bundle_elems[] -__initdata_or_module = -{ -#define IA64_NATIVE_PATCH_BUNDLE_ELEM(name, type) \ - { \ - (void*)ia64_native_ ## name ## _direct_start, \ - (void*)ia64_native_ ## name ## _direct_end, \ - PARAVIRT_PATCH_TYPE_ ## type, \ - } - - IA64_NATIVE_PATCH_BUNDLE_ELEM(fc, FC), - IA64_NATIVE_PATCH_BUNDLE_ELEM(thash, THASH), - IA64_NATIVE_PATCH_BUNDLE_ELEM(get_cpuid, GET_CPUID), - IA64_NATIVE_PATCH_BUNDLE_ELEM(get_pmd, GET_PMD), - IA64_NATIVE_PATCH_BUNDLE_ELEM(ptcga, PTCGA), - IA64_NATIVE_PATCH_BUNDLE_ELEM(get_rr, GET_RR), - IA64_NATIVE_PATCH_BUNDLE_ELEM(set_rr, SET_RR), - IA64_NATIVE_PATCH_BUNDLE_ELEM(set_rr0_to_rr4, SET_RR0_TO_RR4), - IA64_NATIVE_PATCH_BUNDLE_ELEM(ssm_i, SSM_I), - IA64_NATIVE_PATCH_BUNDLE_ELEM(rsm_i, RSM_I), - IA64_NATIVE_PATCH_BUNDLE_ELEM(get_psr_i, GET_PSR_I), - IA64_NATIVE_PATCH_BUNDLE_ELEM(intrin_local_irq_restore, - INTRIN_LOCAL_IRQ_RESTORE), - -#define IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(name, reg) \ - { \ - (void*)ia64_native_get_ ## name ## _direct_start, \ - (void*)ia64_native_get_ ## name ## _direct_end, \ - PARAVIRT_PATCH_TYPE_GETREG + _IA64_REG_ ## reg, \ - } - -#define IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(name, reg) \ - { \ - (void*)ia64_native_set_ ## name ## _direct_start, \ - (void*)ia64_native_set_ ## name ## _direct_end, \ - PARAVIRT_PATCH_TYPE_SETREG + _IA64_REG_ ## reg, \ - } - -#define IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(name, reg) \ - IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(name, reg), \ - IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(name, reg) \ - -#define IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(name, reg) \ - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(ar_ ## name, AR_ ## reg) - -#define IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(name, reg) \ - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(cr_ ## name, CR_ ## reg) - - IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(psr, PSR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_GETREG(tp, TP), - - IA64_NATIVE_PATCH_BUNDLE_ELEM_SETREG(psr_l, PSR_L), - - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(gp, GP), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(sp, SP), - - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr0, AR_KR0), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr1, AR_KR1), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr2, AR_KR2), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr3, AR_KR3), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr4, AR_KR4), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr5, AR_KR5), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr6, AR_KR6), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(kr7, AR_KR7), - - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(rsc, RSC), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(bsp, BSP), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(bspstore, BSPSTORE), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(rnat, RNAT), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fcr, FCR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(eflag, EFLAG), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(csd, CSD), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ssd, SSD), - IA64_NATIVE_PATCH_BUNDLE_ELEM_REG(ar27, AR_CFLAG), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fsr, FSR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fir, FIR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fdr, FDR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ccv, CCV), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(unat, UNAT), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(fpsr, FPSR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(itc, ITC), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(pfs, PFS), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(lc, LC), - IA64_NATIVE_PATCH_BUNDLE_ELEM_AR(ec, EC), - - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(dcr, DCR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itm, ITM), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iva, IVA), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(pta, PTA), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ipsr, IPSR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(isr, ISR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iip, IIP), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ifa, IFA), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itir, ITIR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iipa, IIPA), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ifs, IFS), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iim, IIM), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(iha, IHA), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lid, LID), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(ivr, IVR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(tpr, TPR), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(eoi, EOI), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr0, IRR0), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr1, IRR1), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr2, IRR2), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(irr3, IRR3), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(itv, ITV), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(pmv, PMV), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(cmcv, CMCV), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lrr0, LRR0), - IA64_NATIVE_PATCH_BUNDLE_ELEM_CR(lrr1, LRR1), -}; - -unsigned long __init_or_module -ia64_native_patch_bundle(void *sbundle, void *ebundle, unsigned long type) -{ - const unsigned long nelems = sizeof(ia64_native_patch_bundle_elems) / - sizeof(ia64_native_patch_bundle_elems[0]); - - return __paravirt_patch_apply_bundle(sbundle, ebundle, type, - ia64_native_patch_bundle_elems, - nelems, NULL); -} -#endif /* ASM_SUPPOTED */ - -extern const char ia64_native_switch_to[]; -extern const char ia64_native_leave_syscall[]; -extern const char ia64_native_work_processed_syscall[]; -extern const char ia64_native_leave_kernel[]; - -const struct paravirt_patch_branch_target ia64_native_branch_target[] -__initconst = { -#define PARAVIRT_BR_TARGET(name, type) \ - { \ - ia64_native_ ## name, \ - PARAVIRT_PATCH_TYPE_BR_ ## type, \ - } - PARAVIRT_BR_TARGET(switch_to, SWITCH_TO), - PARAVIRT_BR_TARGET(leave_syscall, LEAVE_SYSCALL), - PARAVIRT_BR_TARGET(work_processed_syscall, WORK_PROCESSED_SYSCALL), - PARAVIRT_BR_TARGET(leave_kernel, LEAVE_KERNEL), -}; - -static void __init -ia64_native_patch_branch(unsigned long tag, unsigned long type) -{ - const unsigned long nelem = - sizeof(ia64_native_branch_target) / - sizeof(ia64_native_branch_target[0]); - __paravirt_patch_apply_branch(tag, type, - ia64_native_branch_target, nelem); -} diff --git a/arch/ia64/kernel/paravirt_inst.h b/arch/ia64/kernel/paravirt_inst.h deleted file mode 100644 index 1ad7512..0000000 --- a/arch/ia64/kernel/paravirt_inst.h +++ /dev/null @@ -1,28 +0,0 @@ -/****************************************************************************** - * linux/arch/ia64/xen/paravirt_inst.h - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifdef __IA64_ASM_PARAVIRTUALIZED_PVCHECK -#include <asm/native/pvchk_inst.h> -#else -#include <asm/native/inst.h> -#endif - diff --git a/arch/ia64/kernel/paravirt_patch.c b/arch/ia64/kernel/paravirt_patch.c deleted file mode 100644 index bfdfef1..0000000 --- a/arch/ia64/kernel/paravirt_patch.c +++ /dev/null @@ -1,514 +0,0 @@ -/****************************************************************************** - * linux/arch/ia64/xen/paravirt_patch.c - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> -#include <asm/intrinsics.h> -#include <asm/kprobes.h> -#include <asm/paravirt.h> -#include <asm/paravirt_patch.h> - -typedef union ia64_inst { - struct { - unsigned long long qp : 6; - unsigned long long : 31; - unsigned long long opcode : 4; - unsigned long long reserved : 23; - } generic; - unsigned long long l; -} ia64_inst_t; - -/* - * flush_icache_range() can't be used here. - * we are here before cpu_init() which initializes - * ia64_i_cache_stride_shift. flush_icache_range() uses it. - */ -void __init_or_module -paravirt_flush_i_cache_range(const void *instr, unsigned long size) -{ - extern void paravirt_fc_i(const void *addr); - unsigned long i; - - for (i = 0; i < size; i += sizeof(bundle_t)) - paravirt_fc_i(instr + i); -} - -bundle_t* __init_or_module -paravirt_get_bundle(unsigned long tag) -{ - return (bundle_t *)(tag & ~3UL); -} - -unsigned long __init_or_module -paravirt_get_slot(unsigned long tag) -{ - return tag & 3UL; -} - -unsigned long __init_or_module -paravirt_get_num_inst(unsigned long stag, unsigned long etag) -{ - bundle_t *sbundle = paravirt_get_bundle(stag); - unsigned long sslot = paravirt_get_slot(stag); - bundle_t *ebundle = paravirt_get_bundle(etag); - unsigned long eslot = paravirt_get_slot(etag); - - return (ebundle - sbundle) * 3 + eslot - sslot + 1; -} - -unsigned long __init_or_module -paravirt_get_next_tag(unsigned long tag) -{ - unsigned long slot = paravirt_get_slot(tag); - - switch (slot) { - case 0: - case 1: - return tag + 1; - case 2: { - bundle_t *bundle = paravirt_get_bundle(tag); - return (unsigned long)(bundle + 1); - } - default: - BUG(); - } - /* NOTREACHED */ -} - -ia64_inst_t __init_or_module -paravirt_read_slot0(const bundle_t *bundle) -{ - ia64_inst_t inst; - inst.l = bundle->quad0.slot0; - return inst; -} - -ia64_inst_t __init_or_module -paravirt_read_slot1(const bundle_t *bundle) -{ - ia64_inst_t inst; - inst.l = bundle->quad0.slot1_p0 | - ((unsigned long long)bundle->quad1.slot1_p1 << 18UL); - return inst; -} - -ia64_inst_t __init_or_module -paravirt_read_slot2(const bundle_t *bundle) -{ - ia64_inst_t inst; - inst.l = bundle->quad1.slot2; - return inst; -} - -ia64_inst_t __init_or_module -paravirt_read_inst(unsigned long tag) -{ - bundle_t *bundle = paravirt_get_bundle(tag); - unsigned long slot = paravirt_get_slot(tag); - - switch (slot) { - case 0: - return paravirt_read_slot0(bundle); - case 1: - return paravirt_read_slot1(bundle); - case 2: - return paravirt_read_slot2(bundle); - default: - BUG(); - } - /* NOTREACHED */ -} - -void __init_or_module -paravirt_write_slot0(bundle_t *bundle, ia64_inst_t inst) -{ - bundle->quad0.slot0 = inst.l; -} - -void __init_or_module -paravirt_write_slot1(bundle_t *bundle, ia64_inst_t inst) -{ - bundle->quad0.slot1_p0 = inst.l; - bundle->quad1.slot1_p1 = inst.l >> 18UL; -} - -void __init_or_module -paravirt_write_slot2(bundle_t *bundle, ia64_inst_t inst) -{ - bundle->quad1.slot2 = inst.l; -} - -void __init_or_module -paravirt_write_inst(unsigned long tag, ia64_inst_t inst) -{ - bundle_t *bundle = paravirt_get_bundle(tag); - unsigned long slot = paravirt_get_slot(tag); - - switch (slot) { - case 0: - paravirt_write_slot0(bundle, inst); - break; - case 1: - paravirt_write_slot1(bundle, inst); - break; - case 2: - paravirt_write_slot2(bundle, inst); - break; - default: - BUG(); - break; - } - paravirt_flush_i_cache_range(bundle, sizeof(*bundle)); -} - -/* for debug */ -void -paravirt_print_bundle(const bundle_t *bundle) -{ - const unsigned long *quad = (const unsigned long *)bundle; - ia64_inst_t slot0 = paravirt_read_slot0(bundle); - ia64_inst_t slot1 = paravirt_read_slot1(bundle); - ia64_inst_t slot2 = paravirt_read_slot2(bundle); - - printk(KERN_DEBUG - "bundle 0x%p 0x%016lx 0x%016lx\n", bundle, quad[0], quad[1]); - printk(KERN_DEBUG - "bundle template 0x%x\n", - bundle->quad0.template); - printk(KERN_DEBUG - "slot0 0x%lx slot1_p0 0x%lx slot1_p1 0x%lx slot2 0x%lx\n", - (unsigned long)bundle->quad0.slot0, - (unsigned long)bundle->quad0.slot1_p0, - (unsigned long)bundle->quad1.slot1_p1, - (unsigned long)bundle->quad1.slot2); - printk(KERN_DEBUG - "slot0 0x%016llx slot1 0x%016llx slot2 0x%016llx\n", - slot0.l, slot1.l, slot2.l); -} - -static int noreplace_paravirt __init_or_module = 0; - -static int __init setup_noreplace_paravirt(char *str) -{ - noreplace_paravirt = 1; - return 1; -} -__setup("noreplace-paravirt", setup_noreplace_paravirt); - -#ifdef ASM_SUPPORTED -static void __init_or_module -fill_nop_bundle(void *sbundle, void *ebundle) -{ - extern const char paravirt_nop_bundle[]; - extern const unsigned long paravirt_nop_bundle_size; - - void *bundle = sbundle; - - BUG_ON((((unsigned long)sbundle) % sizeof(bundle_t)) != 0); - BUG_ON((((unsigned long)ebundle) % sizeof(bundle_t)) != 0); - - while (bundle < ebundle) { - memcpy(bundle, paravirt_nop_bundle, paravirt_nop_bundle_size); - - bundle += paravirt_nop_bundle_size; - } -} - -/* helper function */ -unsigned long __init_or_module -__paravirt_patch_apply_bundle(void *sbundle, void *ebundle, unsigned long type, - const struct paravirt_patch_bundle_elem *elems, - unsigned long nelems, - const struct paravirt_patch_bundle_elem **found) -{ - unsigned long used = 0; - unsigned long i; - - BUG_ON((((unsigned long)sbundle) % sizeof(bundle_t)) != 0); - BUG_ON((((unsigned long)ebundle) % sizeof(bundle_t)) != 0); - - found = NULL; - for (i = 0; i < nelems; i++) { - const struct paravirt_patch_bundle_elem *p = &elems[i]; - if (p->type == type) { - unsigned long need = p->ebundle - p->sbundle; - unsigned long room = ebundle - sbundle; - - if (found != NULL) - *found = p; - - if (room < need) { - /* no room to replace. skip it */ - printk(KERN_DEBUG - "the space is too small to put " - "bundles. type %ld need %ld room %ld\n", - type, need, room); - break; - } - - used = need; - memcpy(sbundle, p->sbundle, used); - break; - } - } - - return used; -} - -void __init_or_module -paravirt_patch_apply_bundle(const struct paravirt_patch_site_bundle *start, - const struct paravirt_patch_site_bundle *end) -{ - const struct paravirt_patch_site_bundle *p; - - if (noreplace_paravirt) - return; - if (pv_init_ops.patch_bundle == NULL) - return; - - for (p = start; p < end; p++) { - unsigned long used; - - used = (*pv_init_ops.patch_bundle)(p->sbundle, p->ebundle, - p->type); - if (used == 0) - continue; - - fill_nop_bundle(p->sbundle + used, p->ebundle); - paravirt_flush_i_cache_range(p->sbundle, - p->ebundle - p->sbundle); - } - ia64_sync_i(); - ia64_srlz_i(); -} - -/* - * nop.i, nop.m, nop.f instruction are same format. - * but nop.b has differennt format. - * This doesn't support nop.b for now. - */ -static void __init_or_module -fill_nop_inst(unsigned long stag, unsigned long etag) -{ - extern const bundle_t paravirt_nop_mfi_inst_bundle[]; - unsigned long tag; - const ia64_inst_t nop_inst = - paravirt_read_slot0(paravirt_nop_mfi_inst_bundle); - - for (tag = stag; tag < etag; tag = paravirt_get_next_tag(tag)) - paravirt_write_inst(tag, nop_inst); -} - -void __init_or_module -paravirt_patch_apply_inst(const struct paravirt_patch_site_inst *start, - const struct paravirt_patch_site_inst *end) -{ - const struct paravirt_patch_site_inst *p; - - if (noreplace_paravirt) - return; - if (pv_init_ops.patch_inst == NULL) - return; - - for (p = start; p < end; p++) { - unsigned long tag; - bundle_t *sbundle; - bundle_t *ebundle; - - tag = (*pv_init_ops.patch_inst)(p->stag, p->etag, p->type); - if (tag == p->stag) - continue; - - fill_nop_inst(tag, p->etag); - sbundle = paravirt_get_bundle(p->stag); - ebundle = paravirt_get_bundle(p->etag) + 1; - paravirt_flush_i_cache_range(sbundle, (ebundle - sbundle) * - sizeof(bundle_t)); - } - ia64_sync_i(); - ia64_srlz_i(); -} -#endif /* ASM_SUPPOTED */ - -/* brl.cond.sptk.many <target64> X3 */ -typedef union inst_x3_op { - ia64_inst_t inst; - struct { - unsigned long qp: 6; - unsigned long btyp: 3; - unsigned long unused: 3; - unsigned long p: 1; - unsigned long imm20b: 20; - unsigned long wh: 2; - unsigned long d: 1; - unsigned long i: 1; - unsigned long opcode: 4; - }; - unsigned long l; -} inst_x3_op_t; - -typedef union inst_x3_imm { - ia64_inst_t inst; - struct { - unsigned long unused: 2; - unsigned long imm39: 39; - }; - unsigned long l; -} inst_x3_imm_t; - -void __init_or_module -paravirt_patch_reloc_brl(unsigned long tag, const void *target) -{ - unsigned long tag_op = paravirt_get_next_tag(tag); - unsigned long tag_imm = tag; - bundle_t *bundle = paravirt_get_bundle(tag); - - ia64_inst_t inst_op = paravirt_read_inst(tag_op); - ia64_inst_t inst_imm = paravirt_read_inst(tag_imm); - - inst_x3_op_t inst_x3_op = { .l = inst_op.l }; - inst_x3_imm_t inst_x3_imm = { .l = inst_imm.l }; - - unsigned long imm60 = - ((unsigned long)target - (unsigned long)bundle) >> 4; - - BUG_ON(paravirt_get_slot(tag) != 1); /* MLX */ - BUG_ON(((unsigned long)target & (sizeof(bundle_t) - 1)) != 0); - - /* imm60[59] 1bit */ - inst_x3_op.i = (imm60 >> 59) & 1; - /* imm60[19:0] 20bit */ - inst_x3_op.imm20b = imm60 & ((1UL << 20) - 1); - /* imm60[58:20] 39bit */ - inst_x3_imm.imm39 = (imm60 >> 20) & ((1UL << 39) - 1); - - inst_op.l = inst_x3_op.l; - inst_imm.l = inst_x3_imm.l; - - paravirt_write_inst(tag_op, inst_op); - paravirt_write_inst(tag_imm, inst_imm); -} - -/* br.cond.sptk.many <target25> B1 */ -typedef union inst_b1 { - ia64_inst_t inst; - struct { - unsigned long qp: 6; - unsigned long btype: 3; - unsigned long unused: 3; - unsigned long p: 1; - unsigned long imm20b: 20; - unsigned long wh: 2; - unsigned long d: 1; - unsigned long s: 1; - unsigned long opcode: 4; - }; - unsigned long l; -} inst_b1_t; - -void __init -paravirt_patch_reloc_br(unsigned long tag, const void *target) -{ - bundle_t *bundle = paravirt_get_bundle(tag); - ia64_inst_t inst = paravirt_read_inst(tag); - unsigned long target25 = (unsigned long)target - (unsigned long)bundle; - inst_b1_t inst_b1; - - BUG_ON(((unsigned long)target & (sizeof(bundle_t) - 1)) != 0); - - inst_b1.l = inst.l; - if (target25 & (1UL << 63)) - inst_b1.s = 1; - else - inst_b1.s = 0; - - inst_b1.imm20b = target25 >> 4; - inst.l = inst_b1.l; - - paravirt_write_inst(tag, inst); -} - -void __init -__paravirt_patch_apply_branch( - unsigned long tag, unsigned long type, - const struct paravirt_patch_branch_target *entries, - unsigned int nr_entries) -{ - unsigned int i; - for (i = 0; i < nr_entries; i++) { - if (entries[i].type == type) { - paravirt_patch_reloc_br(tag, entries[i].entry); - break; - } - } -} - -static void __init -paravirt_patch_apply_branch(const struct paravirt_patch_site_branch *start, - const struct paravirt_patch_site_branch *end) -{ - const struct paravirt_patch_site_branch *p; - - if (noreplace_paravirt) - return; - if (pv_init_ops.patch_branch == NULL) - return; - - for (p = start; p < end; p++) - (*pv_init_ops.patch_branch)(p->tag, p->type); - - ia64_sync_i(); - ia64_srlz_i(); -} - -void __init -paravirt_patch_apply(void) -{ - extern const char __start_paravirt_bundles[]; - extern const char __stop_paravirt_bundles[]; - extern const char __start_paravirt_insts[]; - extern const char __stop_paravirt_insts[]; - extern const char __start_paravirt_branches[]; - extern const char __stop_paravirt_branches[]; - - paravirt_patch_apply_bundle((const struct paravirt_patch_site_bundle *) - __start_paravirt_bundles, - (const struct paravirt_patch_site_bundle *) - __stop_paravirt_bundles); - paravirt_patch_apply_inst((const struct paravirt_patch_site_inst *) - __start_paravirt_insts, - (const struct paravirt_patch_site_inst *) - __stop_paravirt_insts); - paravirt_patch_apply_branch((const struct paravirt_patch_site_branch *) - __start_paravirt_branches, - (const struct paravirt_patch_site_branch *) - __stop_paravirt_branches); -} - -/* - * Local variables: - * mode: C - * c-set-style: "linux" - * c-basic-offset: 8 - * tab-width: 8 - * indent-tabs-mode: t - * End: - */ diff --git a/arch/ia64/kernel/paravirt_patchlist.c b/arch/ia64/kernel/paravirt_patchlist.c deleted file mode 100644 index 0a70720..0000000 --- a/arch/ia64/kernel/paravirt_patchlist.c +++ /dev/null @@ -1,81 +0,0 @@ -/****************************************************************************** - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/bug.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/paravirt.h> - -#define DECLARE(name) \ - extern unsigned long \ - __ia64_native_start_gate_##name##_patchlist[]; \ - extern unsigned long \ - __ia64_native_end_gate_##name##_patchlist[] - -DECLARE(fsyscall); -DECLARE(brl_fsys_bubble_down); -DECLARE(vtop); -DECLARE(mckinley_e9); - -extern unsigned long __start_gate_section[]; - -#define ASSIGN(name) \ - .start_##name##_patchlist = \ - (unsigned long)__ia64_native_start_gate_##name##_patchlist, \ - .end_##name##_patchlist = \ - (unsigned long)__ia64_native_end_gate_##name##_patchlist - -struct pv_patchdata pv_patchdata __initdata = { - ASSIGN(fsyscall), - ASSIGN(brl_fsys_bubble_down), - ASSIGN(vtop), - ASSIGN(mckinley_e9), - - .gate_section = (void*)__start_gate_section, -}; - - -unsigned long __init -paravirt_get_gate_patchlist(enum pv_gate_patchlist type) -{ - -#define CASE(NAME, name) \ - case PV_GATE_START_##NAME: \ - return pv_patchdata.start_##name##_patchlist; \ - case PV_GATE_END_##NAME: \ - return pv_patchdata.end_##name##_patchlist; \ - - switch (type) { - CASE(FSYSCALL, fsyscall); - CASE(BRL_FSYS_BUBBLE_DOWN, brl_fsys_bubble_down); - CASE(VTOP, vtop); - CASE(MCKINLEY_E9, mckinley_e9); - default: - BUG(); - break; - } - return 0; -} - -void * __init -paravirt_get_gate_section(void) -{ - return pv_patchdata.gate_section; -} diff --git a/arch/ia64/kernel/paravirt_patchlist.h b/arch/ia64/kernel/paravirt_patchlist.h deleted file mode 100644 index 67cffc36..0000000 --- a/arch/ia64/kernel/paravirt_patchlist.h +++ /dev/null @@ -1,24 +0,0 @@ -/****************************************************************************** - * linux/arch/ia64/xen/paravirt_patchlist.h - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <asm/native/patchlist.h> - diff --git a/arch/ia64/kernel/paravirtentry.S b/arch/ia64/kernel/paravirtentry.S deleted file mode 100644 index 92d880c..0000000 --- a/arch/ia64/kernel/paravirtentry.S +++ /dev/null @@ -1,121 +0,0 @@ -/****************************************************************************** - * linux/arch/ia64/xen/paravirtentry.S - * - * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/init.h> -#include <asm/asmmacro.h> -#include <asm/asm-offsets.h> -#include <asm/paravirt_privop.h> -#include <asm/paravirt_patch.h> -#include "entry.h" - -#define DATA8(sym, init_value) \ - .pushsection .data..read_mostly ; \ - .align 8 ; \ - .global sym ; \ - sym: ; \ - data8 init_value ; \ - .popsection - -#define BRANCH(targ, reg, breg, type) \ - PARAVIRT_PATCH_SITE_BR(PARAVIRT_PATCH_TYPE_BR_ ## type) ; \ - ;; \ - movl reg=targ ; \ - ;; \ - ld8 reg=[reg] ; \ - ;; \ - mov breg=reg ; \ - br.cond.sptk.many breg - -#define BRANCH_PROC(sym, reg, breg, type) \ - DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \ - GLOBAL_ENTRY(paravirt_ ## sym) ; \ - BRANCH(paravirt_ ## sym ## _targ, reg, breg, type) ; \ - END(paravirt_ ## sym) - -#define BRANCH_PROC_UNWINFO(sym, reg, breg, type) \ - DATA8(paravirt_ ## sym ## _targ, ia64_native_ ## sym) ; \ - GLOBAL_ENTRY(paravirt_ ## sym) ; \ - PT_REGS_UNWIND_INFO(0) ; \ - BRANCH(paravirt_ ## sym ## _targ, reg, breg, type) ; \ - END(paravirt_ ## sym) - - -BRANCH_PROC(switch_to, r22, b7, SWITCH_TO) -BRANCH_PROC_UNWINFO(leave_syscall, r22, b7, LEAVE_SYSCALL) -BRANCH_PROC(work_processed_syscall, r2, b7, WORK_PROCESSED_SYSCALL) -BRANCH_PROC_UNWINFO(leave_kernel, r22, b7, LEAVE_KERNEL) - - -#ifdef CONFIG_MODULES -#define __INIT_OR_MODULE .text -#define __INITDATA_OR_MODULE .data -#else -#define __INIT_OR_MODULE __INIT -#define __INITDATA_OR_MODULE __INITDATA -#endif /* CONFIG_MODULES */ - - __INIT_OR_MODULE - GLOBAL_ENTRY(paravirt_fc_i) - fc.i r32 - br.ret.sptk.many rp - END(paravirt_fc_i) - __FINIT - - __INIT_OR_MODULE - .align 32 - GLOBAL_ENTRY(paravirt_nop_b_inst_bundle) - { - nop.b 0 - nop.b 0 - nop.b 0 - } - END(paravirt_nop_b_inst_bundle) - __FINIT - - /* NOTE: nop.[mfi] has same format */ - __INIT_OR_MODULE - GLOBAL_ENTRY(paravirt_nop_mfi_inst_bundle) - { - nop.m 0 - nop.f 0 - nop.i 0 - } - END(paravirt_nop_mfi_inst_bundle) - __FINIT - - __INIT_OR_MODULE - GLOBAL_ENTRY(paravirt_nop_bundle) -paravirt_nop_bundle_start: - { - nop 0 - nop 0 - nop 0 - } -paravirt_nop_bundle_end: - END(paravirt_nop_bundle) - __FINIT - - __INITDATA_OR_MODULE - .align 8 - .global paravirt_nop_bundle_size -paravirt_nop_bundle_size: - data8 paravirt_nop_bundle_end - paravirt_nop_bundle_start diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c index 1cf0917..944a8e2 100644 --- a/arch/ia64/kernel/patch.c +++ b/arch/ia64/kernel/patch.c @@ -7,7 +7,6 @@ #include <linux/init.h> #include <linux/string.h> -#include <asm/paravirt.h> #include <asm/patch.h> #include <asm/processor.h> #include <asm/sections.h> @@ -169,35 +168,16 @@ ia64_patch_mckinley_e9 (unsigned long start, unsigned long end) ia64_srlz_i(); } -extern unsigned long ia64_native_fsyscall_table[NR_syscalls]; -extern char ia64_native_fsys_bubble_down[]; -struct pv_fsys_data pv_fsys_data __initdata = { - .fsyscall_table = (unsigned long *)ia64_native_fsyscall_table, - .fsys_bubble_down = (void *)ia64_native_fsys_bubble_down, -}; - -unsigned long * __init -paravirt_get_fsyscall_table(void) -{ - return pv_fsys_data.fsyscall_table; -} - -char * __init -paravirt_get_fsys_bubble_down(void) -{ - return pv_fsys_data.fsys_bubble_down; -} - static void __init patch_fsyscall_table (unsigned long start, unsigned long end) { - u64 fsyscall_table = (u64)paravirt_get_fsyscall_table(); + extern unsigned long fsyscall_table[NR_syscalls]; s32 *offp = (s32 *) start; u64 ip; while (offp < (s32 *) end) { ip = (u64) ia64_imva((char *) offp + *offp); - ia64_patch_imm64(ip, fsyscall_table); + ia64_patch_imm64(ip, (u64) fsyscall_table); ia64_fc((void *) ip); ++offp; } @@ -208,7 +188,7 @@ patch_fsyscall_table (unsigned long start, unsigned long end) static void __init patch_brl_fsys_bubble_down (unsigned long start, unsigned long end) { - u64 fsys_bubble_down = (u64)paravirt_get_fsys_bubble_down(); + extern char fsys_bubble_down[]; s32 *offp = (s32 *) start; u64 ip; @@ -226,13 +206,13 @@ patch_brl_fsys_bubble_down (unsigned long start, unsigned long end) void __init ia64_patch_gate (void) { -# define START(name) paravirt_get_gate_patchlist(PV_GATE_START_##name) -# define END(name) paravirt_get_gate_patchlist(PV_GATE_END_##name) +# define START(name) ((unsigned long) __start_gate_##name##_patchlist) +# define END(name) ((unsigned long)__end_gate_##name##_patchlist) - patch_fsyscall_table(START(FSYSCALL), END(FSYSCALL)); - patch_brl_fsys_bubble_down(START(BRL_FSYS_BUBBLE_DOWN), END(BRL_FSYS_BUBBLE_DOWN)); - ia64_patch_vtop(START(VTOP), END(VTOP)); - ia64_patch_mckinley_e9(START(MCKINLEY_E9), END(MCKINLEY_E9)); + patch_fsyscall_table(START(fsyscall), END(fsyscall)); + patch_brl_fsys_bubble_down(START(brl_fsys_bubble_down), END(brl_fsys_bubble_down)); + ia64_patch_vtop(START(vtop), END(vtop)); + ia64_patch_mckinley_e9(START(mckinley_e9), END(mckinley_e9)); } void ia64_patch_phys_stack_reg(unsigned long val) diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index b976138..4f118b0 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -50,8 +50,6 @@ #include <asm/mca.h> #include <asm/meminit.h> #include <asm/page.h> -#include <asm/paravirt.h> -#include <asm/paravirt_patch.h> #include <asm/patch.h> #include <asm/pgtable.h> #include <asm/processor.h> @@ -360,8 +358,6 @@ reserve_memory (void) rsvd_region[n].end = (unsigned long) ia64_imva(_end); n++; - n += paravirt_reserve_memory(&rsvd_region[n]); - #ifdef CONFIG_BLK_DEV_INITRD if (ia64_boot_param->initrd_start) { rsvd_region[n].start = (unsigned long)__va(ia64_boot_param->initrd_start); @@ -528,10 +524,7 @@ setup_arch (char **cmdline_p) { unw_init(); - paravirt_arch_setup_early(); - ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist); - paravirt_patch_apply(); *cmdline_p = __va(ia64_boot_param->command_line); strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE); @@ -594,9 +587,6 @@ setup_arch (char **cmdline_p) cpu_init(); /* initialize the bootstrap CPU */ mmu_context_init(); /* initialize context_id bitmap */ - paravirt_banner(); - paravirt_arch_setup_console(cmdline_p); - #ifdef CONFIG_VT if (!conswitchp) { # if defined(CONFIG_DUMMY_CONSOLE) @@ -616,8 +606,6 @@ setup_arch (char **cmdline_p) #endif /* enable IA-64 Machine Check Abort Handling unless disabled */ - if (paravirt_arch_setup_nomca()) - nomca = 1; if (!nomca) ia64_mca_init(); diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index b054c5c..0e76fad 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -49,7 +49,6 @@ #include <asm/machvec.h> #include <asm/mca.h> #include <asm/page.h> -#include <asm/paravirt.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/processor.h> @@ -569,7 +568,6 @@ void smp_prepare_boot_cpu(void) cpumask_set_cpu(smp_processor_id(), &cpu_callin_map); set_numa_node(cpu_to_node_map[smp_processor_id()]); per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE; - paravirt_post_smp_prepare_boot_cpu(); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 9a0104a..c8dbe2a 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -25,7 +25,6 @@ #include <asm/machvec.h> #include <asm/delay.h> #include <asm/hw_irq.h> -#include <asm/paravirt.h> #include <asm/ptrace.h> #include <asm/sal.h> #include <asm/sections.h> @@ -47,33 +46,12 @@ EXPORT_SYMBOL(last_cli_ip); #endif -#ifdef CONFIG_PARAVIRT -/* We need to define a real function for sched_clock, to override the - weak default version */ -unsigned long long sched_clock(void) -{ - return paravirt_sched_clock(); -} -#endif - -#ifdef CONFIG_PARAVIRT -static void -paravirt_clocksource_resume(struct clocksource *cs) -{ - if (pv_time_ops.clocksource_resume) - pv_time_ops.clocksource_resume(); -} -#endif - static struct clocksource clocksource_itc = { .name = "itc", .rating = 350, .read = itc_get_cycles, .mask = CLOCKSOURCE_MASK(64), .flags = CLOCK_SOURCE_IS_CONTINUOUS, -#ifdef CONFIG_PARAVIRT - .resume = paravirt_clocksource_resume, -#endif }; static struct clocksource *itc_clocksource; @@ -164,9 +142,6 @@ timer_interrupt (int irq, void *dev_id) profile_tick(CPU_PROFILING); - if (paravirt_do_steal_accounting(&new_itm)) - goto skip_process_time_accounting; - while (1) { update_process_times(user_mode(get_irq_regs())); @@ -187,8 +162,6 @@ timer_interrupt (int irq, void *dev_id) local_irq_disable(); } -skip_process_time_accounting: - do { /* * If we're too close to the next clock tick for @@ -337,8 +310,6 @@ void ia64_init_itm(void) */ clocksource_itc.rating = 50; - paravirt_init_missing_ticks_accounting(smp_processor_id()); - /* avoid softlock up message when cpu is unplug and plugged again. */ touch_softlockup_watchdog(); diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 84f8a52..dc506b0 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -136,27 +136,6 @@ SECTIONS { __end___mckinley_e9_bundles = .; } -#if defined(CONFIG_PARAVIRT) - . = ALIGN(16); - .paravirt_bundles : AT(ADDR(.paravirt_bundles) - LOAD_OFFSET) { - __start_paravirt_bundles = .; - *(.paravirt_bundles) - __stop_paravirt_bundles = .; - } - . = ALIGN(16); - .paravirt_insts : AT(ADDR(.paravirt_insts) - LOAD_OFFSET) { - __start_paravirt_insts = .; - *(.paravirt_insts) - __stop_paravirt_insts = .; - } - . = ALIGN(16); - .paravirt_branches : AT(ADDR(.paravirt_branches) - LOAD_OFFSET) { - __start_paravirt_branches = .; - *(.paravirt_branches) - __stop_paravirt_branches = .; - } -#endif - #if defined(CONFIG_IA64_GENERIC) /* Machine Vector */ . = ALIGN(16); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index a9b65cf..7f30289 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -34,7 +34,6 @@ #include <asm/uaccess.h> #include <asm/unistd.h> #include <asm/mca.h> -#include <asm/paravirt.h> extern void ia64_tlb_init (void); @@ -244,7 +243,6 @@ put_kernel_page (struct page *page, unsigned long address, pgprot_t pgprot) static void __init setup_gate (void) { - void *gate_section; struct page *page; /* @@ -252,11 +250,10 @@ setup_gate (void) * headers etc. and once execute-only page to enable * privilege-promotion via "epc": */ - gate_section = paravirt_get_gate_section(); - page = virt_to_page(ia64_imva(gate_section)); + page = virt_to_page(ia64_imva(__start_gate_section)); put_kernel_page(page, GATE_ADDR, PAGE_READONLY); #ifdef HAVE_BUGGY_SEGREL - page = virt_to_page(ia64_imva(gate_section + PAGE_SIZE)); + page = virt_to_page(ia64_imva(__start_gate_section + PAGE_SIZE)); put_kernel_page(page, GATE_ADDR + PAGE_SIZE, PAGE_GATE); #else put_kernel_page(page, GATE_ADDR + PERCPU_PAGE_SIZE, PAGE_GATE); @@ -642,8 +639,8 @@ mem_init (void) * code can tell them apart. */ for (i = 0; i < NR_syscalls; ++i) { + extern unsigned long fsyscall_table[NR_syscalls]; extern unsigned long sys_call_table[NR_syscalls]; - unsigned long *fsyscall_table = paravirt_get_fsyscall_table(); if (!fsyscall_table[i] || nolwsys) fsyscall_table[i] = sys_call_table[i] | 1; diff --git a/arch/ia64/scripts/pvcheck.sed b/arch/ia64/scripts/pvcheck.sed deleted file mode 100644 index e59809a..0000000 --- a/arch/ia64/scripts/pvcheck.sed +++ /dev/null @@ -1,33 +0,0 @@ -# -# Checker for paravirtualizations of privileged operations. -# -s/ssm.*psr\.ic.*/.warning \"ssm psr.ic should not be used directly\"/g -s/rsm.*psr\.ic.*/.warning \"rsm psr.ic should not be used directly\"/g -s/ssm.*psr\.i.*/.warning \"ssm psr.i should not be used directly\"/g -s/rsm.*psr\.i.*/.warning \"rsm psr.i should not be used directly\"/g -s/ssm.*psr\.dt.*/.warning \"ssm psr.dt should not be used directly\"/g -s/rsm.*psr\.dt.*/.warning \"rsm psr.dt should not be used directly\"/g -s/mov.*=.*cr\.ifa/.warning \"cr.ifa should not used directly\"/g -s/mov.*=.*cr\.itir/.warning \"cr.itir should not used directly\"/g -s/mov.*=.*cr\.isr/.warning \"cr.isr should not used directly\"/g -s/mov.*=.*cr\.iha/.warning \"cr.iha should not used directly\"/g -s/mov.*=.*cr\.ipsr/.warning \"cr.ipsr should not used directly\"/g -s/mov.*=.*cr\.iim/.warning \"cr.iim should not used directly\"/g -s/mov.*=.*cr\.iip/.warning \"cr.iip should not used directly\"/g -s/mov.*=.*cr\.ivr/.warning \"cr.ivr should not used directly\"/g -s/mov.*=[^\.]*psr/.warning \"psr should not used directly\"/g # avoid ar.fpsr -s/mov.*=.*ar\.eflags/.warning \"ar.eflags should not used directly\"/g -s/mov.*=.*ar\.itc.*/.warning \"ar.itc should not used directly\"/g -s/mov.*cr\.ifa.*=.*/.warning \"cr.ifa should not used directly\"/g -s/mov.*cr\.itir.*=.*/.warning \"cr.itir should not used directly\"/g -s/mov.*cr\.iha.*=.*/.warning \"cr.iha should not used directly\"/g -s/mov.*cr\.ipsr.*=.*/.warning \"cr.ipsr should not used directly\"/g -s/mov.*cr\.ifs.*=.*/.warning \"cr.ifs should not used directly\"/g -s/mov.*cr\.iip.*=.*/.warning \"cr.iip should not used directly\"/g -s/mov.*cr\.kr.*=.*/.warning \"cr.kr should not used directly\"/g -s/mov.*ar\.eflags.*=.*/.warning \"ar.eflags should not used directly\"/g -s/itc\.i.*/.warning \"itc.i should not be used directly.\"/g -s/itc\.d.*/.warning \"itc.d should not be used directly.\"/g -s/bsw\.0/.warning \"bsw.0 should not be used directly.\"/g -s/bsw\.1/.warning \"bsw.1 should not be used directly.\"/g -s/ptc\.ga.*/.warning \"ptc.ga should not be used directly.\"/g |
