aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-i386/irq_regs.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 17:55:20 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 17:55:20 -0400
commitea62ccd00fd0b6720b033adfc9984f31130ce195 (patch)
tree9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-i386/irq_regs.h
parent886a0768affe9a32f18c45f8e1393bca9ece5392 (diff)
parent35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff)
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits) [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall [PATCH] i386: type may be unused [PATCH] i386: Some additional chipset register values validation. [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split. [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu [PATCH] i386: white space fixes in i387.h [PATCH] i386: Drop noisy e820 debugging printks [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems [PATCH] x86-64: Share identical video.S between i386 and x86-64 [PATCH] x86-64: Remove CONFIG_REORDER [PATCH] x86-64: Print type and size correctly for unknown compat ioctls [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0) [PATCH] i386: Little cleanups in smpboot.c [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible [PATCH] i386: Add X86_FEATURE_RDTSCP [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386 [PATCH] i386: Implement alternative_io for i386 ... Fix up trivial conflict in include/linux/highmem.h manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-i386/irq_regs.h')
-rw-r--r--include/asm-i386/irq_regs.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/asm-i386/irq_regs.h b/include/asm-i386/irq_regs.h
index a1b3f7f594a2..3368b20c0b48 100644
--- a/include/asm-i386/irq_regs.h
+++ b/include/asm-i386/irq_regs.h
@@ -1,25 +1,27 @@
1/* 1/*
2 * Per-cpu current frame pointer - the location of the last exception frame on 2 * Per-cpu current frame pointer - the location of the last exception frame on
3 * the stack, stored in the PDA. 3 * the stack, stored in the per-cpu area.
4 * 4 *
5 * Jeremy Fitzhardinge <jeremy@goop.org> 5 * Jeremy Fitzhardinge <jeremy@goop.org>
6 */ 6 */
7#ifndef _ASM_I386_IRQ_REGS_H 7#ifndef _ASM_I386_IRQ_REGS_H
8#define _ASM_I386_IRQ_REGS_H 8#define _ASM_I386_IRQ_REGS_H
9 9
10#include <asm/pda.h> 10#include <asm/percpu.h>
11
12DECLARE_PER_CPU(struct pt_regs *, irq_regs);
11 13
12static inline struct pt_regs *get_irq_regs(void) 14static inline struct pt_regs *get_irq_regs(void)
13{ 15{
14 return read_pda(irq_regs); 16 return x86_read_percpu(irq_regs);
15} 17}
16 18
17static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs) 19static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
18{ 20{
19 struct pt_regs *old_regs; 21 struct pt_regs *old_regs;
20 22
21 old_regs = read_pda(irq_regs); 23 old_regs = get_irq_regs();
22 write_pda(irq_regs, new_regs); 24 x86_write_percpu(irq_regs, new_regs);
23 25
24 return old_regs; 26 return old_regs;
25} 27}