diff options
Diffstat (limited to 'arch/um')
30 files changed, 122 insertions, 282 deletions
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index d29e56d..74f22d2 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -264,8 +264,7 @@ void register_winch(int fd, struct tty_struct *tty) return; pid = tcgetpgrp(fd); - if (!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd, tty) && - (pid == -1)) { + if (!is_skas_winch(pid, fd, tty) && (pid == -1)) { thread = winch_tramp(fd, tty, &thread_fd, &stack); if (thread < 0) return; diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c index 1171790..b050e26 100644 --- a/arch/um/drivers/harddog_user.c +++ b/arch/um/drivers/harddog_user.c @@ -9,7 +9,6 @@ #include "user.h" #include "mconsole.h" #include "os.h" -#include "choose-mode.h" #include "mode.h" struct dog_data { @@ -64,7 +63,7 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) } else { /* XXX The os_getpid() is not SMP correct */ - sprintf(pid_buf, "%d", CHOOSE_MODE(tracing_pid, os_getpid())); + sprintf(pid_buf, "%d", os_getpid()); args = pid_args; } diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 4d563b9..3591c38 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -33,7 +33,6 @@ #include "init.h" #include "os.h" #include "irq_kern.h" -#include "choose-mode.h" static int do_unlink_socket(struct notifier_block *notifier, unsigned long what, void *data) diff --git a/arch/um/include/choose-mode.h b/arch/um/include/choose-mode.h deleted file mode 100644 index 51a3876..0000000 --- a/arch/um/include/choose-mode.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __CHOOSE_MODE_H__ -#define __CHOOSE_MODE_H__ - -#include "uml-config.h" - -#define CHOOSE_MODE(tt, skas) (skas) - -#define CHOOSE_MODE_PROC(tt, skas, args...) \ - CHOOSE_MODE(tt(args), skas(args)) - -#ifndef __CHOOSE_MODE -#define __CHOOSE_MODE(tt, skas) CHOOSE_MODE(tt, skas) -#endif - -#endif diff --git a/arch/um/include/skas/uaccess-skas.h b/arch/um/include/skas/uaccess-skas.h deleted file mode 100644 index 224a75f..0000000 --- a/arch/um/include/skas/uaccess-skas.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SKAS_UACCESS_H -#define __SKAS_UACCESS_H - -#include "asm/errno.h" - -/* No SKAS-specific checking. */ -#define access_ok_skas(type, addr, size) 0 - -extern int copy_from_user_skas(void *to, const void __user *from, int n); -extern int copy_to_user_skas(void __user *to, const void *from, int n); -extern int strncpy_from_user_skas(char *dst, const char __user *src, int count); -extern int __clear_user_skas(void __user *mem, int len); -extern int clear_user_skas(void __user *mem, int len); -extern int strnlen_user_skas(const void __user *str, int len); - -#endif diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/sysdep-i386/ptrace.h index c0ea4db..4557308 100644 --- a/arch/um/include/sysdep-i386/ptrace.h +++ b/arch/um/include/sysdep-i386/ptrace.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -9,7 +9,6 @@ #include "uml-config.h" #include "user_constants.h" #include "sysdep/faultinfo.h" -#include "choose-mode.h" #define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long)) #define MAX_REG_OFFSET (UM_FRAME_SIZE) @@ -67,40 +66,23 @@ union uml_pt_regs { #define EMPTY_UML_PT_REGS { } #define UPT_SC(r) ((r)->tt.sc) -#define UPT_IP(r) \ - __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs)) -#define UPT_SP(r) \ - __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs)) -#define UPT_EFLAGS(r) \ - __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs)) -#define UPT_EAX(r) \ - __CHOOSE_MODE(SC_EAX(UPT_SC(r)), REGS_EAX((r)->skas.regs)) -#define UPT_EBX(r) \ - __CHOOSE_MODE(SC_EBX(UPT_SC(r)), REGS_EBX((r)->skas.regs)) -#define UPT_ECX(r) \ - __CHOOSE_MODE(SC_ECX(UPT_SC(r)), REGS_ECX((r)->skas.regs)) -#define UPT_EDX(r) \ - __CHOOSE_MODE(SC_EDX(UPT_SC(r)), REGS_EDX((r)->skas.regs)) -#define UPT_ESI(r) \ - __CHOOSE_MODE(SC_ESI(UPT_SC(r)), REGS_ESI((r)->skas.regs)) -#define UPT_EDI(r) \ - __CHOOSE_MODE(SC_EDI(UPT_SC(r)), REGS_EDI((r)->skas.regs)) -#define UPT_EBP(r) \ - __CHOOSE_MODE(SC_EBP(UPT_SC(r)), REGS_EBP((r)->skas.regs)) -#define UPT_ORIG_EAX(r) \ - __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall) -#define UPT_CS(r) \ - __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) -#define UPT_SS(r) \ - __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs)) -#define UPT_DS(r) \ - __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs)) -#define UPT_ES(r) \ - __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs)) -#define UPT_FS(r) \ - __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs)) -#define UPT_GS(r) \ - __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs)) +#define UPT_IP(r) REGS_IP((r)->skas.regs) +#define UPT_SP(r) REGS_SP((r)->skas.regs) +#define UPT_EFLAGS(r) REGS_EFLAGS((r)->skas.regs) +#define UPT_EAX(r) REGS_EAX((r)->skas.regs) +#define UPT_EBX(r) REGS_EBX((r)->skas.regs) +#define UPT_ECX(r) REGS_ECX((r)->skas.regs) +#define UPT_EDX(r) REGS_EDX((r)->skas.regs) +#define UPT_ESI(r) REGS_ESI((r)->skas.regs) +#define UPT_EDI(r) REGS_EDI((r)->skas.regs) +#define UPT_EBP(r) REGS_EBP((r)->skas.regs) +#define UPT_ORIG_EAX(r) ((r)->skas.syscall) +#define UPT_CS(r) REGS_CS((r)->skas.regs) +#define UPT_SS(r) REGS_SS((r)->skas.regs) +#define UPT_DS(r) REGS_DS((r)->skas.regs) +#define UPT_ES(r) REGS_ES((r)->skas.regs) +#define UPT_FS(r) REGS_FS((r)->skas.regs) +#define UPT_GS(r) REGS_GS((r)->skas.regs) #define UPT_SYSCALL_ARG1(r) UPT_EBX(r) #define UPT_SYSCALL_ARG2(r) UPT_ECX(r) @@ -111,8 +93,7 @@ union uml_pt_regs { extern int user_context(unsigned long sp); -#define UPT_IS_USER(r) \ - CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user) +#define UPT_IS_USER(r) ((r)->skas.is_user) struct syscall_args { unsigned long args[6]; @@ -181,18 +162,14 @@ struct syscall_args { } while (0) #define UPT_SET_SYSCALL_RETURN(r, res) \ - CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \ - REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res))) + REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res)) -#define UPT_RESTART_SYSCALL(r) \ - CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \ - REGS_RESTART_SYSCALL((r)->skas.regs)) +#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->skas.regs) #define UPT_ORIG_SYSCALL(r) UPT_EAX(r) #define UPT_SYSCALL_NR(r) UPT_ORIG_EAX(r) #define UPT_SYSCALL_RET(r) UPT_EAX(r) -#define UPT_FAULTINFO(r) \ - CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo)) +#define UPT_FAULTINFO(r) (&(r)->skas.faultinfo) #endif diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h index ff525bd..b3412b6 100644 --- a/arch/um/include/sysdep-x86_64/ptrace.h +++ b/arch/um/include/sysdep-x86_64/ptrace.h @@ -84,8 +84,6 @@ #define REGS_ERR(r) ((r)->fault_type) -#include "choose-mode.h" - /* XXX */ union uml_pt_regs { struct skas_regs { @@ -99,48 +97,45 @@ union uml_pt_regs { #define EMPTY_UML_PT_REGS { } -#define UPT_RBX(r) __CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs)) -#define UPT_RCX(r) __CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs)) -#define UPT_RDX(r) __CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs)) -#define UPT_RSI(r) __CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs)) -#define UPT_RDI(r) __CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs)) -#define UPT_RBP(r) __CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs)) -#define UPT_RAX(r) __CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs)) -#define UPT_R8(r) __CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs)) -#define UPT_R9(r) __CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs)) -#define UPT_R10(r) __CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs)) -#define UPT_R11(r) __CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs)) -#define UPT_R12(r) __CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs)) -#define UPT_R13(r) __CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs)) -#define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs)) -#define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs)) -#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) +#define UPT_RBX(r) REGS_RBX((r)->skas.regs) +#define UPT_RCX(r) REGS_RCX((r)->skas.regs) +#define UPT_RDX(r) REGS_RDX((r)->skas.regs) +#define UPT_RSI(r) REGS_RSI((r)->skas.regs) +#define UPT_RDI(r) REGS_RDI((r)->skas.regs) +#define UPT_RBP(r) REGS_RBP((r)->skas.regs) +#define UPT_RAX(r) REGS_RAX((r)->skas.regs) +#define UPT_R8(r) REGS_R8((r)->skas.regs) +#define UPT_R9(r) REGS_R9((r)->skas.regs) +#define UPT_R10(r) REGS_R10((r)->skas.regs) +#define UPT_R11(r) REGS_R11((r)->skas.regs) +#define UPT_R12(r) REGS_R12((r)->skas.regs) +#define UPT_R13(r) REGS_R13((r)->skas.regs) +#define UPT_R14(r) REGS_R14((r)->skas.regs) +#define UPT_R15(r) REGS_R15((r)->skas.regs) +#define UPT_CS(r) REGS_CS((r)->skas.regs) #define UPT_FS_BASE(r) \ - __CHOOSE_MODE(SC_FS_BASE(UPT_SC(r)), REGS_FS_BASE((r)->skas.regs)) -#define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs)) + REGS_FS_BASE((r)->skas.regs) +#define UPT_FS(r) REGS_FS((r)->skas.regs) #define UPT_GS_BASE(r) \ - __CHOOSE_MODE(SC_GS_BASE(UPT_SC(r)), REGS_GS_BASE((r)->skas.regs)) -#define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs)) -#define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs)) -#define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs)) -#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs)) -#define UPT_SS(r) __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs)) -#define UPT_ORIG_RAX(r) \ - __CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs)) - -#define UPT_IP(r) __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs)) -#define UPT_SP(r) __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs)) - -#define UPT_EFLAGS(r) \ - __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs)) + REGS_GS_BASE((r)->skas.regs) +#define UPT_GS(r) REGS_GS((r)->skas.regs) +#define UPT_DS(r) REGS_DS((r)->skas.regs) +#define UPT_ES(r) REGS_ES((r)->skas.regs) +#define UPT_CS(r) REGS_CS((r)->skas.regs) +#define UPT_SS(r) REGS_SS((r)->skas.regs) +#define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->skas.regs) + +#define UPT_IP(r) REGS_IP((r)->skas.regs) +#define UPT_SP(r) REGS_SP((r)->skas.regs) + +#define UPT_EFLAGS(r) REGS_EFLAGS((r)->skas.regs) #define UPT_SC(r) ((r)->tt.sc) -#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall) +#define UPT_SYSCALL_NR(r) ((r)->skas.syscall) #define UPT_SYSCALL_RET(r) UPT_RAX(r) extern int user_context(unsigned long sp); -#define UPT_IS_USER(r) \ - CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user) +#define UPT_IS_USER(r) ((r)->skas.is_user) #define UPT_SYSCALL_ARG1(r) UPT_RDI(r) #define UPT_SYSCALL_ARG2(r) UPT_RSI(r) @@ -237,18 +232,12 @@ struct syscall_args { }) #define UPT_SET_SYSCALL_RETURN(r, res) \ - CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \ - REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res))) + REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res)) -#define UPT_RESTART_SYSCALL(r) \ - CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \ - REGS_RESTART_SYSCALL((r)->skas.regs)) +#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->skas.regs) -#define UPT_SEGV_IS_FIXABLE(r) \ - CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \ - REGS_SEGV_IS_FIXABLE(&r->skas)) +#define UPT_SEGV_IS_FIXABLE(r) REGS_SEGV_IS_FIXABLE(&r->skas) -#define UPT_FAULTINFO(r) \ - CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo)) +#define UPT_FAULTINFO(r) (&(r)->skas.faultinfo) #endif diff --git a/arch/um/include/um_mmu.h b/arch/um/include/um_mmu.h index 2461be6..03bd4b9 100644 --- a/arch/um/include/um_mmu.h +++ b/arch/um/include/um_mmu.h @@ -7,7 +7,6 @@ #define __ARCH_UM_MMU_H #include "uml-config.h" -#include "choose-mode.h" #include "mmu-skas.h" typedef union mm_context { diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index 6757ee7..b1629b1 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h @@ -6,8 +6,6 @@ #ifndef __ARCH_UM_UACCESS_H #define __ARCH_UM_UACCESS_H -#include "choose-mode.h" -#include "uaccess-skas.h" #include "asm/fixmap.h" #define __under_task_size(addr, size) \ @@ -27,20 +25,10 @@ (__addr_range_nowrap(addr, size) && \ (__under_task_size(addr, size) || \ __access_ok_vsyscall(type, addr, size) || \ - segment_eq(get_fs(), KERNEL_DS) || \ - CHOOSE_MODE_PROC(access_ok_tt, access_ok_skas, type, addr, size))) + segment_eq(get_fs(), KERNEL_DS))) -static inline int copy_from_user(void *to, const void __user *from, int n) -{ - return(CHOOSE_MODE_PROC(copy_from_user_tt, copy_from_user_skas, to, - from, n)); -} - -static inline int copy_to_user(void __user *to, const void *from, int n) -{ - return(CHOOSE_MODE_PROC(copy_to_user_tt, copy_to_user_skas, to, - from, n)); -} +extern int copy_from_user(void *to, const void __user *from, int n); +extern int copy_to_user(void __user *to, const void *from, int n); /* * strncpy_from_user: - Copy a NUL terminated string from userspace. @@ -61,11 +49,7 @@ static inline int copy_to_user(void __user *to, const void *from, int n) * and returns @count. */ -static inline int strncpy_from_user(char *dst, const char __user *src, int count) -{ - return(CHOOSE_MODE_PROC(strncpy_from_user_tt, strncpy_from_user_skas, - dst, src, count)); -} +extern int strncpy_from_user(char *dst, const char __user *src, int count); /* * __clear_user: - Zero a block of memory in user space, with less checking. @@ -78,10 +62,7 @@ static inline int strncpy_from_user(char *dst, const char __user *src, int count * Returns number of bytes that could not be cleared. * On success, this will be zero. */ -static inline int __clear_user(void *mem, int len) -{ - return(CHOOSE_MODE_PROC(__clear_user_tt, __clear_user_skas, mem, len)); -} +extern int __clear_user(void __user *mem, int len); /* * clear_user: - Zero a block of memory in user space. @@ -93,10 +74,7 @@ static inline int __clear_user(void *mem, int len) * Returns number of bytes that could not be cleared. * On success, this will be zero. */ -static inline int clear_user(void __user *mem, int len) -{ - return(CHOOSE_MODE_PROC(clear_user_tt, clear_user_skas, mem, len)); -} +extern int clear_user(void __user *mem, int len); /* * strlen_user: - Get the size of a string in user space. @@ -109,10 +87,7 @@ static inline int clear_user(void __user *mem, int len) * On exception, returns 0. * If the string is too long, returns a value greater than @n. */ -static inline int strnlen_user(const void __user *str, long len) -{ - return(CHOOSE_MODE_PROC(strnlen_user_tt, strnlen_user_skas, str, len)); -} +extern int strnlen_user(const void __user *str, int len); #endif diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 84d77a0..8f774c2 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -18,18 +18,17 @@ #include "irq_user.h" #include "tlb.h" #include "os.h" -#include "choose-mode.h" #include "mode_kern.h" void flush_thread(void) { arch_flush_thread(¤t->thread.arch); - CHOOSE_MODE(flush_thread_tt(), flush_thread_skas()); + flush_thread_skas(); } void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) { - CHOOSE_MODE_PROC(start_thread_tt, start_thread_skas, regs, eip, esp); + start_thread_skas(regs, eip, esp); } #ifdef CONFIG_TTY_LOG diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c index 59e22d2..996412c 100644 --- a/arch/um/kernel/ksyms.c +++ b/arch/um/kernel/ksyms.c @@ -37,11 +37,11 @@ EXPORT_SYMBOL(um_virt_to_phys); EXPORT_SYMBOL(handle_page_fault); EXPORT_SYMBOL(find_iomem); -EXPORT_SYMBOL(strnlen_user_skas); -EXPORT_SYMBOL(strncpy_from_user_skas); -EXPORT_SYMBOL(copy_to_user_skas); -EXPORT_SYMBOL(copy_from_user_skas); -EXPORT_SYMBOL(clear_user_skas); +EXPORT_SYMBOL(strnlen_user); +EXPORT_SYMBOL(strncpy_from_user); +EXPORT_SYMBOL(copy_to_user); +EXPORT_SYMBOL(copy_from_user); +EXPORT_SYMBOL(clear_user); EXPORT_SYMBOL(uml_strdup); EXPORT_SYMBOL(os_stat_fd); diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index fb695e4..f7b2f35 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -61,7 +61,7 @@ static unsigned long kmem_top = 0; unsigned long get_kmem_end(void) { if (kmem_top == 0) - kmem_top = CHOOSE_MODE(kmem_end_tt, kmem_end_skas); + kmem_top = kmem_end_skas; return kmem_top; } diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 005ed44..22ad46f 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -45,7 +45,6 @@ #include "os.h" #include "mode.h" #include "mode_kern.h" -#include "choose-mode.h" /* This is a per-cpu array. A processor only modifies its entry and it only * cares about its entry, so it's OK if another processor is modifying its @@ -55,7 +54,7 @@ struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } }; static inline int external_pid(struct task_struct *task) { - return CHOOSE_MODE_PROC(external_pid_tt, external_pid_skas, task); + return external_pid_skas(task); } int pid_to_processor_id(int pid) @@ -114,8 +113,8 @@ void *_switch_to(void *prev, void *next, void *last) set_current(to); do { - current->thread.saved_task = NULL ; - CHOOSE_MODE_PROC(switch_to_tt, switch_to_skas, prev, next); + current->thread.saved_task = NULL; + switch_to_skas(prev, next); if(current->thread.saved_task) show_regs(&(current->thread.regs)); next= current->thread.saved_task; @@ -136,7 +135,7 @@ void interrupt_end(void) void release_thread(struct task_struct *task) { - CHOOSE_MODE(release_thread_tt(task), release_thread_skas(task)); + release_thread_skas(task); } void exit_thread(void) @@ -155,8 +154,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, int ret; p->thread = (struct thread_struct) INIT_THREAD; - ret = CHOOSE_MODE_PROC(copy_thread_tt, copy_thread_skas, nr, - clone_flags, sp, stack_top, p, regs); + ret = copy_thread_skas(nr, clone_flags, sp, stack_top, p, regs); if (ret || !current->thread.forking) goto out; @@ -178,15 +176,12 @@ void initial_thread_cb(void (*proc)(void *), void *arg) int save_kmalloc_ok = kmalloc_ok; kmalloc_ok = 0; - CHOOSE_MODE_PROC(initial_thread_cb_tt, initial_thread_cb_skas, proc, - arg); + initial_thread_cb_skas(proc, arg); kmalloc_ok = save_kmalloc_ok; } void default_idle(void) { - CHOOSE_MODE(uml_idle_timer(), (void) 0); - while(1){ /* endless idle loop with no priority at all */ @@ -203,7 +198,7 @@ void default_idle(void) void cpu_idle(void) { - CHOOSE_MODE(init_idle_tt(), init_idle_skas()); + init_idle_skas(); } void *um_virt_to_phys(struct task_struct *task, unsigned long addr, diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c index 93df067..4a0def3 100644 --- a/arch/um/kernel/reboot.c +++ b/arch/um/kernel/reboot.c @@ -10,13 +10,12 @@ #include "kern.h" #include "os.h" #include "mode.h" -#include "choose-mode.h" void (*pm_power_off)(void); static void kill_off_processes(void) { - CHOOSE_MODE(kill_off_processes_tt(), kill_off_processes_skas()); + kill_off_processes_skas(); } void uml_cleanup(void) @@ -29,13 +28,13 @@ void uml_cleanup(void) void machine_restart(char * __unused) { uml_cleanup(); - CHOOSE_MODE(reboot_tt(), reboot_skas()); + reboot_skas(); } void machine_power_off(void) { uml_cleanup(); - CHOOSE_MODE(halt_tt(), halt_skas()); + halt_skas(); } void machine_halt(void) diff --git a/arch/um/kernel/skas/uaccess.c b/arch/um/kernel/skas/uaccess.c index 8912cec..b14422e 100644 --- a/arch/um/kernel/skas/uaccess.c +++ b/arch/um/kernel/skas/uaccess.c @@ -139,7 +139,7 @@ static int copy_chunk_from_user(unsigned long from, int len, void *arg) return(0); } -int copy_from_user_skas(void *to, const void __user *from, int n) +int copy_from_user(void *to, const void __user *from, int n) { if(segment_eq(get_fs(), KERNEL_DS)){ memcpy(to, (__force void*)from, n); @@ -160,7 +160,7 @@ static int copy_chunk_to_user(unsigned long to, int len, void *arg) return(0); } -int copy_to_user_skas(void __user *to, const void *from, int n) +int copy_to_user(void __user *to, const void *from, int n) { if(segment_eq(get_fs(), KERNEL_DS)){ memcpy((__force void*)to, from, n); @@ -186,7 +186,7 @@ static int strncpy_chunk_from_user(unsigned long from, int len, void *arg) return(0); } -int strncpy_from_user_skas(char *dst, const char __user *src, int count) +int strncpy_from_user(char *dst, const char __user *src, int count) { int n; char *ptr = dst; @@ -212,12 +212,12 @@ static int clear_chunk(unsigned long addr, int len, void *unused) return(0); } -int __clear_user_skas(void __user *mem, int len) +int __clear_user(void __user *mem, int len) { return(buffer_op((unsigned long) mem, len, 1, clear_chunk, NULL)); } -int clear_user_skas(void __user *mem, int len) +int clear_user(void __user *mem, int len) { if(segment_eq(get_fs(), KERNEL_DS)){ memset((__force void*)mem, 0, len); @@ -240,7 +240,7 @@ static int strnlen_chunk(unsigned long str, int len, void *arg) return(0); } -int strnlen_user_skas(const void __user *str, int len) +int strnlen_user(const void __user *str, int len) { int count = 0, n; diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 7b3b673..138bcb4 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -21,7 +21,6 @@ #include "kern_util.h" #include "sysdep/syscalls.h" #include "mode_kern.h" -#include "choose-mode.h" /* Unlocked, I don't care if this is a bit off */ int nsyscalls = 0; diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 259c49d..3571703 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -181,9 +181,7 @@ void timer_handler(int sig, union uml_pt_regs *regs) timer_irq(regs); local_irq_disable(); irq_enter(); - update_process_times(CHOOSE_MODE( - (UPT_SC(regs) && user_context(UPT_SP(regs))), - (regs)->skas.is_user)); + update_process_times((regs)->skas.is_user); irq_exit(); local_irq_enable(); } diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 8a8d528..312e8ba 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -8,7 +8,6 @@ #include "asm/pgalloc.h" #include "asm/pgtable.h" #include "asm/tlbflush.h" -#include "choose-mode.h" #include "mode_kern.h" #include "as-layout.h" #include "tlb.h" @@ -378,35 +377,31 @@ void flush_tlb_all(void) void flush_tlb_kernel_range(unsigned long start, unsigned long end) { - CHOOSE_MODE_PROC(flush_tlb_kernel_range_tt, - flush_tlb_kernel_range_common, start, end); + flush_tlb_kernel_range_common(start, end); } void flush_tlb_kernel_vm(void) { - CHOOSE_MODE(flush_tlb_kernel_vm_tt(), - flush_tlb_kernel_range_common(start_vm, end_vm)); + flush_tlb_kernel_range_common(start_vm, end_vm); } void __flush_tlb_one(unsigned long addr) { - CHOOSE_MODE_PROC(__flush_tlb_one_tt, __flush_tlb_one_skas, addr); + __flush_tlb_one_skas(addr); } void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { - CHOOSE_MODE_PROC(flush_tlb_range_tt, flush_tlb_range_skas, vma, start, - end); + flush_tlb_range_skas(vma, start, end); } void flush_tlb_mm(struct mm_struct *mm) { - CHOOSE_MODE_PROC(flush_tlb_mm_tt, flush_tlb_mm_skas, mm); + flush_tlb_mm_skas(mm); } void force_flush_all(void) { - CHOOSE_MODE(force_flush_all_tt(), force_flush_all_skas()); + force_flush_all_skas(); } - diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index aa7b067..9f3a207 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -35,7 +35,6 @@ #include "initrd.h" #include "init.h" #include "os.h" -#include "choose-mode.h" #include "mode_kern.h" #include "mode.h" #include "skas.h" @@ -68,8 +67,7 @@ struct cpuinfo_um boot_cpu_data = { unsigned long thread_saved_pc(struct task_struct *task) { - return os_process_pc(CHOOSE_MODE_PROC(thread_pid_tt, thread_pid_skas, - task)); + return os_process_pc(thread_pid_skas(task)); } /* Changed in setup_arch, which is called in early boot */ @@ -88,7 +86,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "processor\t: %d\n", index); seq_printf(m, "vendor_id\t: User Mode Linux\n"); seq_printf(m, "model name\t: UML\n"); - seq_printf(m, "mode\t\t: %s\n", CHOOSE_MODE("tt", "skas")); + seq_printf(m, "mode\t\t: skas\n"); seq_printf(m, "host\t\t: %s\n", host_info); seq_printf(m, "bogomips\t: %lu.%02lu\n\n", loops_per_jiffy/(500000/HZ), @@ -283,8 +281,7 @@ int __init linux_main(int argc, char **argv) printf("UML running in %s mode\n", mode); - host_task_size = CHOOSE_MODE_PROC(set_task_sizes_tt, - set_task_sizes_skas, &task_size); + host_task_size = set_task_sizes_skas(&task_size); /* * Setting up handlers to 'sig_info' struct @@ -292,7 +289,7 @@ int __init linux_main(int argc, char **argv) os_fill_handlinfo(handlinfo_kern); brk_start = (unsigned long) sbrk(0); - CHOOSE_MODE_PROC(before_mem_tt, before_mem_skas, brk_start); + before_mem_skas(brk_start); /* Increase physical memory size for exec-shield users so they actually get what they asked for. This should add zero for non-exec shield users */ @@ -357,7 +354,7 @@ int __init linux_main(int argc, char **argv) stack_protections((unsigned long) &init_thread_info); os_flush_stdout(); - return CHOOSE_MODE(start_uml_tt(), start_uml_skas()); + return start_uml_skas(); } extern int uml_exitcode; diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c index 5934835..c8f5b7a 100644 --- a/arch/um/os-Linux/aio.c +++ b/arch/um/os-Linux/aio.c @@ -320,11 +320,6 @@ static int init_aio(void) { int err; - CHOOSE_MODE(({ if(!aio_24){ - printk("Disabling 2.6 AIO in tt mode\n"); - aio_24 = 1; - } }), (void) 0); - if(!aio_24){ err = init_aio_26(); if(err && (errno == ENOSYS)){ diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index 425aa89..bfabb88 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -19,7 +19,6 @@ #include "user.h" #include "init.h" #include "mode.h" -#include "choose-mode.h" #include "uml-config.h" #include "os.h" #include "um_malloc.h" @@ -189,16 +188,13 @@ int __init main(int argc, char **argv, char **envp) return uml_exitcode; } -#define CAN_KMALLOC() \ - (kmalloc_ok && CHOOSE_MODE((os_getpid() != tracing_pid), 1)) - extern void *__real_malloc(int); void *__wrap_malloc(int size) { void *ret; - if(!CAN_KMALLOC()) + if(!kmalloc_ok) return __real_malloc(size); else if(size <= UM_KERN_PAGE_SIZE) /* finding contiguous pages can be hard*/ @@ -251,11 +247,11 @@ void __wrap_free(void *ptr) */ if((addr >= uml_physmem) && (addr < high_physmem)){ - if(CAN_KMALLOC()) + if(kmalloc_ok) kfree(ptr); } else if((addr >= start_vm) && (addr < end_vm)){ - if(CAN_KMALLOC()) + if(kmalloc_ok) vfree(ptr); } else __real_free(ptr); diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index b98f7ea..0d6122a 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -53,8 +53,7 @@ void sig_handler(int sig, struct sigcontext *sc) block_signals(); - CHOOSE_MODE_PROC(sig_handler_common_tt, sig_handler_common_skas, - sig, sc); + sig_handler_common_skas(sig, sc); set_signals(enabled); } @@ -257,8 +256,7 @@ void unblock_signals(void) * back here. */ if(save_pending & SIGIO_MASK) - CHOOSE_MODE_PROC(sig_handler_common_tt, - sig_handler_common_skas, SIGIO, NULL); + sig_handler_common_skas(SIGIO, NULL); if(save_pending & SIGALRM_MASK) real_alarm_handler(SIGALRM, NULL); diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index acf52ea..da5c90d 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -31,7 +31,6 @@ #include "init.h" #include "os.h" #include "uml-config.h" -#include "choose-mode.h" #include "mode.h" #include "tempfile.h" #include "kern_constants.h" diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c index 295da65..b17f546 100644 --- a/arch/um/os-Linux/trap.c +++ b/arch/um/os-Linux/trap.c @@ -12,7 +12,6 @@ void usr2_handler(int sig, union uml_pt_regs *regs) { - CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0); } /* Initialized from linux_main() */ diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c index 762a12a..2683d30 100644 --- a/arch/um/sys-i386/ldt.c +++ b/arch/um/sys-i386/ldt.c @@ -12,7 +12,6 @@ #include "asm/smp.h" #include "asm/ldt.h" #include "asm/unistd.h" -#include "choose-mode.h" #include "kern.h" #include "mode_kern.h" #include "os.h" @@ -506,6 +505,5 @@ void free_ldt(struct mmu_context_skas * mm) int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount) { - return CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func, - ptr, bytecount); + return do_modify_ldt_skas(func, ptr, bytecount); } diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index 572fd50..7792365 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -230,13 +230,13 @@ static inline unsigned long twd_fxsr_to_i387( struct i387_fxsave_struct *fxsave static inline int convert_fxsr_to_user(struct _fpstate __user *buf, struct pt_regs *regs) { - return(CHOOSE_MODE(convert_fxsr_to_user_tt(buf, regs), 0)); + return 0; } static inline int convert_fxsr_from_user(struct pt_regs *regs, struct _fpstate __user *buf) { - return(CHOOSE_MODE(convert_fxsr_from_user_tt(regs, buf), 0)); + return 0; } int get_fpregs(unsigned long buf, struct task_struct *child) @@ -261,12 +261,12 @@ int set_fpregs(unsigned long buf, struct task_struct *child) int get_fpxregs(unsigned long buf, struct task_struct *tsk) { - return(CHOOSE_MODE(get_fpxregs_tt(buf, tsk), 0)); + return 0; } int set_fpxregs(unsigned long buf, struct task_struct *tsk) { - return(CHOOSE_MODE(set_fpxregs_tt(buf, tsk), 0)); + return 0; } #ifdef notdef @@ -286,16 +286,9 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) } #endif -static inline void copy_fpu_fxsave(struct pt_regs *regs, - struct user_i387_struct *buf) -{ - (void) CHOOSE_MODE(copy_fpu_fxsave_tt(regs, buf), 0); -} - int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu ) { - copy_fpu_fxsave(regs, (struct user_i387_struct *) fpu); - return(1); + return 1; } /* diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c index 187ea27..a9fe8d6 100644 --- a/arch/um/sys-i386/signal.c +++ b/arch/um/sys-i386/signal.c @@ -12,7 +12,6 @@ #include "frame_kern.h" #include "sigcontext.h" #include "registers.h" -#include "mode.h" #include "skas.h" void copy_sc(union uml_pt_regs *regs, void *from) @@ -108,20 +107,13 @@ int copy_sc_to_user_skas(struct sigcontext __user *to, struct _fpstate __user *t static int copy_sc_from_user(struct pt_regs *to, void __user *from) { - int ret; - - ret = CHOOSE_MODE(copy_sc_from_user_tt(UPT_SC(&to->regs), from, - sizeof(struct _fpstate)), - copy_sc_from_user_skas(to, from)); - return ret; + return copy_sc_from_user_skas(to, from); } static int copy_sc_to_user(struct sigcontext __user *to, struct _fpstate __user *fp, struct pt_regs *from, unsigned long sp) { - return CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs), - sizeof(*fp), sp), - copy_sc_to_user_skas(to, fp, from, sp)); + return copy_sc_to_user_skas(to, fp, from, sp); } static int copy_ucontext_to_user(struct ucontext __user *uc, struct _fpstate __user *fp, diff --git a/arch/um/sys-i386/tls.c b/arch/um/sys-i386/tls.c index 0340b96d..bb4d0e2 100644 --- a/arch/um/sys-i386/tls.c +++ b/arch/um/sys-i386/tls.c @@ -12,7 +12,6 @@ #include "asm/segment.h" #include "asm/smp.h" #include "asm/desc.h" -#include "choose-mode.h" #include "kern.h" #include "kern_util.h" #include "mode_kern.h" @@ -28,7 +27,7 @@ static int host_supports_tls = -1; int host_gdt_entry_tls_min; -int do_set_thread_area_skas(struct user_desc *info) +int do_set_thread_area(struct user_desc *info) { int ret; u32 cpu; @@ -39,7 +38,7 @@ int do_set_thread_area_skas(struct user_desc *info) return ret; } -int do_get_thread_area_skas(struct user_desc *info) +int do_get_thread_area(struct user_desc *info) { int ret; u32 cpu; @@ -277,7 +276,7 @@ asmlinkage int sys_set_thread_area(struct user_desc __user *user_desc) return -EFAULT; } - ret = CHOOSE_MODE_PROC(do_set_thread_area_tt, do_set_thread_area_skas, &info); + ret = do_set_thread_area(&info); if (ret) return ret; return set_tls_entry(current, &info, idx, 1); diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c index c18d929..2d6cdd2 100644 --- a/arch/um/sys-x86_64/signal.c +++ b/arch/um/sys-x86_64/signal.c @@ -12,7 +12,6 @@ #include "asm/sigcontext.h" #include "asm/ptrace.h" #include "asm/arch/ucontext.h" -#include "choose-mode.h" #include "sysdep/ptrace.h" #include "frame_kern.h" #include "skas.h" @@ -135,9 +134,7 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from) { int ret; - ret = CHOOSE_MODE(copy_sc_from_user_tt(UPT_SC(&to->regs), from, - sizeof(struct _fpstate)), - copy_sc_from_user_skas(to, from)); + ret = copy_sc_from_user_skas(to, from); return(ret); } @@ -146,9 +143,7 @@ static int copy_sc_to_user(struct sigcontext __user *to, struct pt_regs *from, unsigned long mask, unsigned long sp) { - return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs), - sizeof(*fp), sp), - copy_sc_to_user_skas(to, fp, from, mask, sp))); + return copy_sc_to_user_skas(to, fp, from, mask, sp); } struct rt_sigframe diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index d0ff832..d44398c 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -14,7 +14,6 @@ #include "asm/ptrace.h" #include "asm/unistd.h" #include "asm/prctl.h" /* XXX This should get the constants from libc */ -#include "choose-mode.h" #include "kern.h" #include "os.h" @@ -92,8 +91,7 @@ long arch_prctl_skas(struct task_struct *task, int code, long sys_arch_prctl(int code, unsigned long addr) { - return CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, current, code, - (unsigned long __user *) addr); + return arch_prctl_skas(current, code, (unsigned long __user *) addr); } long sys_clone(unsigned long clone_flags, unsigned long newsp, |
