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authorUlrich Drepper <drepper@redhat.com>2003-09-22 16:47:50 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-22 16:47:50 +0000
commit9d08fbbb29a4a0866b4ff642893c7dd97575b56e (patch)
treef9911522b76007d14d70500b0fcc4abe29a1215a /nptl
parentbc1989aad2a5246ea5d216546240609620451f87 (diff)
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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.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h5
2 files changed, 9 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index bbe26fafd1..cda72ea2bd 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index 35d132113d..900c9cd5b1 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -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)