diff options
Diffstat (limited to 'arch/i386/lib/semaphore.S')
| -rw-r--r-- | arch/i386/lib/semaphore.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S index faddbf4ec..3f6e27fcc 100644 --- a/arch/i386/lib/semaphore.S +++ b/arch/i386/lib/semaphore.S @@ -31,6 +31,15 @@ ENTRY(__down_failed_interruptible) popl %edx /* restore %edx */ ret +/* Don't save/restore %eax, because that will be our return value */ +ENTRY(__down_failed_trylock) + pushl %edx /* save %edx */ + pushl %ecx /* save %ecx (and argument) */ + call SYMBOL_NAME(__down_trylock) + popl %ecx /* restore %ecx (count on __down_trylock not changing it) */ + popl %edx /* restore %edx */ + ret + ENTRY(__up_wakeup) pushl %eax /* save %eax */ pushl %edx /* save %edx */ |