AcoSail/kernel_optimize_test
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[PATCH] CRIS: turn local_save_flags() + local_irq_disable() into local_irq_save() in headers

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Various headers for CRIS architecture contain local_irq_disable() after
local_save_flags().  Turn it into local_irq_save().

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Mikael Starvik <starvik@axis.com>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Kosina 2007-02-10 01:43:50 -08:00 committed by Linus Torvalds
parent 7c101b7b13
commit 047c7c4232
2 changed files with 4 additions and 8 deletions
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9
include/asm-cris/semaphore-helper.h
View File

@ -30,8 +30,7 @@ static inline int waking_non_zero(struct semaphore *sem)
unsigned long flags;
int ret = 0;
local_save_flags(flags);
local_irq_disable();
local_irq_save(flags);
if (read(&sem->waking) > 0) {
dec(&sem->waking);
ret = 1;
@ -46,8 +45,7 @@ static inline int waking_non_zero_interruptible(struct semaphore *sem,
int ret = 0;
unsigned long flags;
local_save_flags(flags);
local_irq_disable();
local_irq_save(flags);
if (read(&sem->waking) > 0) {
dec(&sem->waking);
ret = 1;
@ -64,8 +62,7 @@ static inline int waking_non_zero_trylock(struct semaphore *sem)
int ret = 1;
unsigned long flags;
local_save_flags(flags);
local_irq_disable();
local_irq_save(flags);
if (read(&sem->waking) <= 0)
inc(&sem->count);
else {

3
include/asm-cris/system.h
View File

@ -44,8 +44,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
/* since Etrax doesn't have any atomic xchg instructions, we need to disable
irq's (if enabled) and do it with move.d's */
unsigned long flags,temp;
local_save_flags(flags); /* save flags, including irq enable bit */
local_irq_disable(); /* shut off irq's */
local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */
switch (size) {
case 1:
*((unsigned char *)&temp) = x;