voron

experimental ARM OS
git clone git://git.2f30.org/voron
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commit dbd301c60ac5d62db0f2f2142798259fb5e4d329
parent 78bc44268e10aa4fd34f7ba111a994c1030d522e
Author: oblique <psyberbits@gmail.com>
Date:   Tue,  9 Apr 2013 09:24:52 +0300

spinlock.h: replace assembly code in spinlock_unlock with C code.

Diffstat:
Minclude/spinlock.h | 7+------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/include/spinlock.h b/include/spinlock.h @@ -33,12 +33,7 @@ static inline void spinlock_unlock(spinlock_t *sl) { dmb(); - asm volatile ( - "str %1, [%0]" - : - : "r" (&sl->lock), "r" (0) - : "memory" - ); + sl->lock = 0; dsb(); /* signal event */ asm volatile("sev" : : : "memory");