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Update. 

2003-09-22  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Don't play tricks
	like jumping over the lock prefix.
This commit is contained in:
Ulrich Drepper 2003-09-22 16:47:50 +00:00
parent bc1989aad2
commit 9d08fbbb29
2 changed files with 9 additions and 1 deletions
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5
nptl/ChangeLog
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@ -1,3 +1,8 @@
2003-09-22 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Don't play tricks
like jumping over the lock prefix.
2003-09-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Completely revamp the

5
nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
View File

@ -184,7 +184,10 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
2 - taken by more users */
#if defined NOT_IN_libc || defined UP
//#if defined NOT_IN_libc || defined UP
/* According to AMD it is not necessary to play tricks with avoiding the
lock instruction. */
#if 1
# define lll_trylock(futex) lll_mutex_trylock (futex)
# define lll_lock(futex) lll_mutex_lock (futex)
# define lll_unlock(futex) lll_mutex_unlock (futex)