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-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/Makefile2
-rw-r--r--arch/parisc/include/asm/atomic.h107
-rw-r--r--arch/parisc/include/asm/cmpxchg.h116
-rw-r--r--arch/parisc/include/asm/hardware.h3
-rw-r--r--arch/parisc/include/asm/kbdleds.h19
-rw-r--r--arch/parisc/include/asm/page.h6
-rw-r--r--arch/parisc/include/asm/pdc.h7
-rw-r--r--arch/parisc/include/asm/pgtable.h2
-rw-r--r--arch/parisc/include/asm/prefetch.h7
-rw-r--r--arch/parisc/include/asm/processor.h3
-rw-r--r--arch/parisc/include/asm/spinlock.h2
-rw-r--r--arch/parisc/kernel/Makefile2
-rw-r--r--arch/parisc/kernel/entry.S4
-rw-r--r--arch/parisc/kernel/init_task.c70
-rw-r--r--arch/parisc/kernel/pacache.S38
-rw-r--r--arch/parisc/kernel/pdc_cons.c3
-rw-r--r--arch/parisc/kernel/smp.c33
-rw-r--r--arch/parisc/kernel/time.c1
-rw-r--r--arch/parisc/mm/init.c12
20 files changed, 206 insertions, 232 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 242a1b7..ddb8b24 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -17,6 +17,7 @@ config PARISC
select GENERIC_PCI_IOMAP
select IRQ_PER_CPU
select ARCH_HAVE_NMI_SAFE_CMPXCHG
+ select GENERIC_SMP_IDLE_THREAD
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 19ab7b2..dbc3850 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -75,7 +75,7 @@ head-y := arch/parisc/kernel/head.o
KBUILD_CFLAGS += $(cflags-y)
-kernel-y := mm/ kernel/ math-emu/ kernel/init_task.o
+kernel-y := mm/ kernel/ math-emu/
kernel-$(CONFIG_HPUX) += hpux/
core-y += $(addprefix arch/parisc/, $(kernel-y))
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 3ae5607..6c6defc 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -6,6 +6,7 @@
#define _ASM_PARISC_ATOMIC_H_
#include <linux/types.h>
+#include <asm/cmpxchg.h>
/*
* Atomic operations that C can't guarantee us. Useful for
@@ -48,112 +49,6 @@ extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
# define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0)
#endif
-/* This should get optimized out since it's never called.
-** Or get a link error if xchg is used "wrong".
-*/
-extern void __xchg_called_with_bad_pointer(void);
-
-
-/* __xchg32/64 defined in arch/parisc/lib/bitops.c */
-extern unsigned long __xchg8(char, char *);
-extern unsigned long __xchg32(int, int *);
-#ifdef CONFIG_64BIT
-extern unsigned long __xchg64(unsigned long, unsigned long *);
-#endif
-
-/* optimizer better get rid of switch since size is a constant */
-static __inline__ unsigned long
-__xchg(unsigned long x, __volatile__ void * ptr, int size)
-{
- switch(size) {
-#ifdef CONFIG_64BIT
- case 8: return __xchg64(x,(unsigned long *) ptr);
-#endif
- case 4: return __xchg32((int) x, (int *) ptr);
- case 1: return __xchg8((char) x, (char *) ptr);
- }
- __xchg_called_with_bad_pointer();
- return x;
-}
-
-
-/*
-** REVISIT - Abandoned use of LDCW in xchg() for now:
-** o need to test sizeof(*ptr) to avoid clearing adjacent bytes
-** o and while we are at it, could CONFIG_64BIT code use LDCD too?
-**
-** if (__builtin_constant_p(x) && (x == NULL))
-** if (((unsigned long)p & 0xf) == 0)
-** return __ldcw(p);
-*/
-#define xchg(ptr,x) \
- ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-/* bug catcher for when unsupported size is used - won't link */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-/* __cmpxchg_u32/u64 defined in arch/parisc/lib/bitops.c */
-extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old, unsigned int new_);
-extern unsigned long __cmpxchg_u64(volatile unsigned long *ptr, unsigned long old, unsigned long new_);
-
-/* don't worry...optimizer will get rid of most of this */
-static __inline__ unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
-{
- switch(size) {
-#ifdef CONFIG_64BIT
- case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_);
-#endif
- case 4: return __cmpxchg_u32((unsigned int *)ptr, (unsigned int) old, (unsigned int) new_);
- }
- __cmpxchg_called_with_bad_pointer();
- return old;
-}
-
-#define cmpxchg(ptr,o,n) \
- ({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
- (unsigned long)_n_, sizeof(*(ptr))); \
- })
-
-#include <asm-generic/cmpxchg-local.h>
-
-static inline unsigned long __cmpxchg_local(volatile void *ptr,
- unsigned long old,
- unsigned long new_, int size)
-{
- switch (size) {
-#ifdef CONFIG_64BIT
- case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_);
-#endif
- case 4: return __cmpxchg_u32(ptr, old, new_);
- default:
- return __cmpxchg_local_generic(ptr, old, new_, size);
- }
-}
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
- (unsigned long)(n), sizeof(*(ptr))))
-#ifdef CONFIG_64BIT
-#define cmpxchg64_local(ptr, o, n) \
- ({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg_local((ptr), (o), (n)); \
- })
-#else
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-#endif
-
/*
* Note that we need not lock read accesses - aligned word writes/reads
* are atomic, so a reader never sees inconsistent values.
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h
new file mode 100644
index 0000000..dbd1335
--- /dev/null
+++ b/arch/parisc/include/asm/cmpxchg.h
@@ -0,0 +1,116 @@
+/*
+ * forked from parisc asm/atomic.h which was:
+ * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
+ * Copyright (C) 2006 Kyle McMartin <kyle@parisc-linux.org>
+ */
+
+#ifndef _ASM_PARISC_CMPXCHG_H_
+#define _ASM_PARISC_CMPXCHG_H_
+
+/* This should get optimized out since it's never called.
+** Or get a link error if xchg is used "wrong".
+*/
+extern void __xchg_called_with_bad_pointer(void);
+
+/* __xchg32/64 defined in arch/parisc/lib/bitops.c */
+extern unsigned long __xchg8(char, char *);
+extern unsigned long __xchg32(int, int *);
+#ifdef CONFIG_64BIT
+extern unsigned long __xchg64(unsigned long, unsigned long *);
+#endif
+
+/* optimizer better get rid of switch since size is a constant */
+static inline unsigned long
+__xchg(unsigned long x, __volatile__ void *ptr, int size)
+{
+ switch (size) {
+#ifdef CONFIG_64BIT
+ case 8: return __xchg64(x, (unsigned long *) ptr);
+#endif
+ case 4: return __xchg32((int) x, (int *) ptr);
+ case 1: return __xchg8((char) x, (char *) ptr);
+ }
+ __xchg_called_with_bad_pointer();
+ return x;
+}
+
+/*
+** REVISIT - Abandoned use of LDCW in xchg() for now:
+** o need to test sizeof(*ptr) to avoid clearing adjacent bytes
+** o and while we are at it, could CONFIG_64BIT code use LDCD too?
+**
+** if (__builtin_constant_p(x) && (x == NULL))
+** if (((unsigned long)p & 0xf) == 0)
+** return __ldcw(p);
+*/
+#define xchg(ptr, x) \
+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+/* bug catcher for when unsupported size is used - won't link */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+/* __cmpxchg_u32/u64 defined in arch/parisc/lib/bitops.c */
+extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old,
+ unsigned int new_);
+extern unsigned long __cmpxchg_u64(volatile unsigned long *ptr,
+ unsigned long old, unsigned long new_);
+
+/* don't worry...optimizer will get rid of most of this */
+static inline unsigned long
+__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
+{
+ switch (size) {
+#ifdef CONFIG_64BIT
+ case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_);
+#endif
+ case 4: return __cmpxchg_u32((unsigned int *)ptr,
+ (unsigned int)old, (unsigned int)new_);
+ }
+ __cmpxchg_called_with_bad_pointer();
+ return old;
+}
+
+#define cmpxchg(ptr, o, n) \
+({ \
+ __typeof__(*(ptr)) _o_ = (o); \
+ __typeof__(*(ptr)) _n_ = (n); \
+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
+ (unsigned long)_n_, sizeof(*(ptr))); \
+})
+
+#include <asm-generic/cmpxchg-local.h>
+
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+ unsigned long old,
+ unsigned long new_, int size)
+{
+ switch (size) {
+#ifdef CONFIG_64BIT
+ case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_);
+#endif
+ case 4: return __cmpxchg_u32(ptr, old, new_);
+ default:
+ return __cmpxchg_local_generic(ptr, old, new_, size);
+ }
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+#ifdef CONFIG_64BIT
+#define cmpxchg64_local(ptr, o, n) \
+({ \
+ BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
+ cmpxchg_local((ptr), (o), (n)); \
+})
+#else
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+#endif
+
+#endif /* _ASM_PARISC_CMPXCHG_H_ */
diff --git a/arch/parisc/include/asm/hardware.h b/arch/parisc/include/asm/hardware.h
index 4e96268..d1d864b 100644
--- a/arch/parisc/include/asm/hardware.h
+++ b/arch/parisc/include/asm/hardware.h
@@ -2,7 +2,6 @@
#define _PARISC_HARDWARE_H
#include <linux/mod_devicetable.h>
-#include <asm/pdc.h>
#define HWTYPE_ANY_ID PA_HWTYPE_ANY_ID
#define HVERSION_ANY_ID PA_HVERSION_ANY_ID
@@ -95,12 +94,14 @@ struct bc_module {
#define HPHW_MC 15
#define HPHW_FAULTY 31
+struct parisc_device_id;
/* hardware.c: */
extern const char *parisc_hardware_description(struct parisc_device_id *id);
extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
struct pci_dev;
+struct hardware_path;
/* drivers.c: */
extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
diff --git a/arch/parisc/include/asm/kbdleds.h b/arch/parisc/include/asm/kbdleds.h
new file mode 100644
index 0000000..2e2e75a
--- /dev/null
+++ b/arch/parisc/include/asm/kbdleds.h
@@ -0,0 +1,19 @@
+#ifndef _ASM_PARISC_KBDLEDS_H
+#define _ASM_PARISC_KBDLEDS_H
+
+/*
+ * On HIL keyboards of PARISC machines there is no NumLock key and
+ * everyone expects the keypad to be used for numbers. That's why
+ * we can safely turn on the NUMLOCK bit.
+ */
+
+static inline int kbd_defleds(void)
+{
+#if defined(CONFIG_KEYBOARD_HIL) || defined(CONFIG_KEYBOARD_HIL_OLD)
+ return 1 << VC_NUMLOCK;
+#else
+ return 0;
+#endif
+}
+
+#endif /* _ASM_PARISC_KBDLEDS_H */
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index a84cc1f..4e0e7db 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -160,5 +160,11 @@ extern int npmem_ranges;
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
+#include <asm/pdc.h>
+
+#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
+
+/* DEFINITION OF THE ZERO-PAGE (PAG0) */
+/* based on work by Jason Eckhardt (jason@equator.com) */
#endif /* _PARISC_PAGE_H */
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 4ca510b..7f0f2d2 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -343,8 +343,6 @@
#ifdef __KERNEL__
-#include <asm/page.h> /* for __PAGE_OFFSET */
-
extern int pdc_type;
/* Values for pdc_type */
@@ -677,11 +675,6 @@ static inline char * os_id_to_string(u16 os_id) {
#endif /* __KERNEL__ */
-#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
-
-/* DEFINITION OF THE ZERO-PAGE (PAG0) */
-/* based on work by Jason Eckhardt (jason@equator.com) */
-
/* flags of the device_path */
#define PF_AUTOBOOT 0x80
#define PF_AUTOSEARCH 0x40
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 22dadeb..ee99f23 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -44,6 +44,8 @@ struct vm_area_struct;
#endif /* !__ASSEMBLY__ */
+#include <asm/page.h>
+
#define pte_ERROR(e) \
printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
#define pmd_ERROR(e) \
diff --git a/arch/parisc/include/asm/prefetch.h b/arch/parisc/include/asm/prefetch.h
index c5edc60..1ee7c82 100644
--- a/arch/parisc/include/asm/prefetch.h
+++ b/arch/parisc/include/asm/prefetch.h
@@ -21,7 +21,12 @@
#define ARCH_HAS_PREFETCH
static inline void prefetch(const void *addr)
{
- __asm__("ldw 0(%0), %%r0" : : "r" (addr));
+ __asm__(
+#ifndef CONFIG_PA20
+ /* Need to avoid prefetch of NULL on PA7300LC */
+ " extrw,u,= %0,31,32,%%r0\n"
+#endif
+ " ldw 0(%0), %%r0" : : "r" (addr));
}
/* LDD is a PA2.0 addition. */
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index acdf4ca..0e8b7b8 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -328,9 +328,6 @@ struct mm_struct;
extern void release_thread(struct task_struct *);
extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-/* Prepare to copy thread state - unlazy all lazy status */
-#define prepare_to_copy(tsk) do { } while (0)
-
extern void map_hpux_gateway_page(struct task_struct *tsk, struct mm_struct *mm);
extern unsigned long get_wchan(struct task_struct *p);
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index 804aa28..3516e0b 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -1,6 +1,8 @@
#ifndef __ASM_SPINLOCK_H
#define __ASM_SPINLOCK_H
+#include <asm/barrier.h>
+#include <asm/ldcw.h>
#include <asm/processor.h>
#include <asm/spinlock_types.h>
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index 67db072..66ee3f1 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -2,7 +2,7 @@
# Makefile for arch/parisc/kernel
#
-extra-y := init_task.o head.o vmlinux.lds
+extra-y := head.o vmlinux.lds
obj-y := cache.o pacache.o setup.o traps.o time.o irq.o \
pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 6f05944..5350342 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -581,7 +581,11 @@
*/
cmpiclr,= 0x01,\tmp,%r0
ldi (_PAGE_DIRTY|_PAGE_READ|_PAGE_WRITE),\prot
+#ifdef CONFIG_64BIT
depd,z \prot,8,7,\prot
+#else
+ depw,z \prot,8,7,\prot
+#endif
/*
* OK, it is in the temp alias region, check whether "from" or "to".
* Check "subtle" note in pacache.S re: r23/r26.
diff --git a/arch/parisc/kernel/init_task.c b/arch/parisc/kernel/init_task.c
deleted file mode 100644
index 4a91e4334..0000000
--- a/arch/parisc/kernel/init_task.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Static declaration of "init" task data structure.
- *
- * Copyright (C) 2000 Paul Bame <bame at parisc-linux.org>
- * Copyright (C) 2000-2001 John Marvin <jsm at parisc-linux.org>
- * Copyright (C) 2001 Helge Deller <deller @ parisc-linux.org>
- * Copyright (C) 2002 Matthew Wilcox <willy with parisc-linux.org>
- *
- *
- * 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/mm.h>
-#include <linux/fs.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/init_task.h>
-#include <linux/mqueue.h>
-
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-
-static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-/*
- * Initial task structure.
- *
- * We need to make sure that this is 16384-byte aligned due to the
- * way process stacks are handled. This is done by having a special
- * "init_task" linker map entry..
- */
-union thread_union init_thread_union __init_task_data
- __attribute__((aligned(128))) =
- { INIT_THREAD_INFO(init_task) };
-
-#if PT_NLEVELS == 3
-/* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout
- * with the first pmd adjacent to the pgd and below it. gcc doesn't actually
- * guarantee that global objects will be laid out in memory in the same order
- * as the order of declaration, so put these in different sections and use
- * the linker script to order them. */
-pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".data..vm0.pmd"), aligned(PAGE_SIZE)));
-#endif
-
-pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".data..vm0.pgd"), aligned(PAGE_SIZE)));
-pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".data..vm0.pte"), aligned(PAGE_SIZE)));
-
-/*
- * Initial task structure.
- *
- * All other task structs will be allocated on slabs in fork.c
- */
-EXPORT_SYMBOL(init_task);
-
-__asm__(".data");
-struct task_struct init_task = INIT_TASK(init_task);
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index 93ff3d9..5d7218a 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -692,7 +692,7 @@ ENTRY(flush_icache_page_asm)
/* Purge any old translation */
- pitlb (%sr0,%r28)
+ pitlb (%sr4,%r28)
ldil L%icache_stride, %r1
ldw R%icache_stride(%r1), %r1
@@ -706,27 +706,29 @@ ENTRY(flush_icache_page_asm)
sub %r25, %r1, %r25
-1: fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
- fic,m %r1(%r28)
+ /* fic only has the type 26 form on PA1.1, requiring an
+ * explicit space specification, so use %sr4 */
+1: fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
+ fic,m %r1(%sr4,%r28)
cmpb,COND(<<) %r28, %r25,1b
- fic,m %r1(%r28)
+ fic,m %r1(%sr4,%r28)
sync
bv %r0(%r2)
- pitlb (%sr0,%r25)
+ pitlb (%sr4,%r25)
.exit
.procend
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 4f00459..47341aa 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -50,6 +50,7 @@
#include <linux/init.h>
#include <linux/major.h>
#include <linux/tty.h>
+#include <asm/page.h> /* for PAGE0 */
#include <asm/pdc.h> /* for iodc_call() proto and friends */
static DEFINE_SPINLOCK(pdc_console_lock);
@@ -104,7 +105,7 @@ static int pdc_console_tty_open(struct tty_struct *tty, struct file *filp)
static void pdc_console_tty_close(struct tty_struct *tty, struct file *filp)
{
- if (!tty->count) {
+ if (tty->count == 1) {
del_timer_sync(&pdc_console_timer);
tty_port_tty_set(&tty_port, NULL);
}
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 0bb1d63..a47828d 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -31,6 +31,7 @@
#include <linux/delay.h>
#include <linux/bitops.h>
#include <linux/ftrace.h>
+#include <linux/cpu.h>
#include <linux/atomic.h>
#include <asm/current.h>
@@ -295,8 +296,13 @@ smp_cpu_init(int cpunum)
printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
machine_halt();
- }
+ }
+
+ notify_cpu_starting(cpunum);
+
+ ipi_call_lock();
set_cpu_online(cpunum, true);
+ ipi_call_unlock();
/* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count);
@@ -334,26 +340,11 @@ void __init smp_callin(void)
/*
* Bring one cpu online.
*/
-int __cpuinit smp_boot_one_cpu(int cpuid)
+int __cpuinit smp_boot_one_cpu(int cpuid, struct task_struct *idle)
{
const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid);
- struct task_struct *idle;
long timeout;
- /*
- * Create an idle task for this CPU. Note the address wed* give
- * to kernel_thread is irrelevant -- it's going to start
- * where OS_BOOT_RENDEVZ vector in SAL says to start. But
- * this gets all the other task-y sort of data structures set
- * up like we wish. We need to pull the just created idle task
- * off the run queue and stuff it into the init_tasks[] array.
- * Sheesh . . .
- */
-
- idle = fork_idle(cpuid);
- if (IS_ERR(idle))
- panic("SMP: fork failed for CPU:%d", cpuid);
-
task_thread_info(idle)->cpu = cpuid;
/* Let _start know what logical CPU we're booting
@@ -397,10 +388,6 @@ int __cpuinit smp_boot_one_cpu(int cpuid)
udelay(100);
barrier();
}
-
- put_task_struct(idle);
- idle = NULL;
-
printk(KERN_CRIT "SMP: CPU:%d is stuck.\n", cpuid);
return -1;
@@ -449,10 +436,10 @@ void smp_cpus_done(unsigned int cpu_max)
}
-int __cpuinit __cpu_up(unsigned int cpu)
+int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
if (cpu != 0 && cpu < parisc_max_cpus)
- smp_boot_one_cpu(cpu);
+ smp_boot_one_cpu(cpu, tidle);
return cpu_online(cpu) ? 0 : -ENOSYS;
}
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 7c07743..70e105d 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -29,6 +29,7 @@
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
+#include <asm/page.h>
#include <asm/param.h>
#include <asm/pdc.h>
#include <asm/led.h>
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 82f364e..3ac462d 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -33,6 +33,18 @@
extern int data_start;
+#if PT_NLEVELS == 3
+/* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout
+ * with the first pmd adjacent to the pgd and below it. gcc doesn't actually
+ * guarantee that global objects will be laid out in memory in the same order
+ * as the order of declaration, so put these in different sections and use
+ * the linker script to order them. */
+pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".data..vm0.pmd"), aligned(PAGE_SIZE)));
+#endif
+
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".data..vm0.pgd"), aligned(PAGE_SIZE)));
+pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".data..vm0.pte"), aligned(PAGE_SIZE)));
+
#ifdef CONFIG_DISCONTIGMEM
struct node_map_data node_data[MAX_NUMNODES] __read_mostly;
unsigned char pfnnid_map[PFNNID_MAP_MAX] __read_mostly;
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