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authorPaul Mundt <lethal@linux-sh.org>2007-09-28 02:48:06 -0400
committerPaul Mundt <lethal@linux-sh.org>2007-09-28 02:48:06 -0400
commit995bb781d42441ed48517bc7ea6414c3df3386ef (patch)
treebfaa11ab14a3d230bb8502f720402608d3f818dd /arch/sh/kernel/process.c
parente5137682a1ad48bc5306070935c277e262f119ef (diff)
sh: Follow gUSA preempt changes in __switch_to().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/process.c')
-rw-r--r--arch/sh/kernel/process.c6
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