diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-09-28 02:48:06 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2007-09-28 02:48:06 -0400 |
commit | 995bb781d42441ed48517bc7ea6414c3df3386ef (patch) | |
tree | bfaa11ab14a3d230bb8502f720402608d3f818dd /arch/sh | |
parent | e5137682a1ad48bc5306070935c277e262f119ef (diff) |
sh: Follow gUSA preempt changes in __switch_to().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/kernel/process.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 15ae322dbd74..cd8dae16e940 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/tick.h> | 19 | #include <linux/tick.h> |
20 | #include <linux/reboot.h> | 20 | #include <linux/reboot.h> |
21 | #include <linux/fs.h> | 21 | #include <linux/fs.h> |
22 | #include <linux/preempt.h> | ||
22 | #include <asm/uaccess.h> | 23 | #include <asm/uaccess.h> |
23 | #include <asm/mmu_context.h> | 24 | #include <asm/mmu_context.h> |
24 | #include <asm/pgalloc.h> | 25 | #include <asm/pgalloc.h> |
@@ -351,10 +352,9 @@ struct task_struct *__switch_to(struct task_struct *prev, | |||
351 | 352 | ||
352 | #ifdef CONFIG_PREEMPT | 353 | #ifdef CONFIG_PREEMPT |
353 | { | 354 | { |
354 | unsigned long flags; | ||
355 | struct pt_regs *regs; | 355 | struct pt_regs *regs; |
356 | 356 | ||
357 | local_irq_save(flags); | 357 | preempt_disable(); |
358 | regs = task_pt_regs(prev); | 358 | regs = task_pt_regs(prev); |
359 | if (user_mode(regs) && regs->regs[15] >= 0xc0000000) { | 359 | if (user_mode(regs) && regs->regs[15] >= 0xc0000000) { |
360 | int offset = (int)regs->regs[15]; | 360 | int offset = (int)regs->regs[15]; |
@@ -365,7 +365,7 @@ struct task_struct *__switch_to(struct task_struct *prev, | |||
365 | /* Go to rewind point */ | 365 | /* Go to rewind point */ |
366 | regs->pc = regs->regs[0] + offset; | 366 | regs->pc = regs->regs[0] + offset; |
367 | } | 367 | } |
368 | local_irq_restore(flags); | 368 | preempt_enable_no_resched(); |
369 | } | 369 | } |
370 | #endif | 370 | #endif |
371 | 371 | ||