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authorUlrich Drepper <drepper@redhat.com>2006-02-17 08:07:21 +0000
committerUlrich Drepper <drepper@redhat.com>2006-02-17 08:07:21 +0000
commit49bfc1fe3d7a2d4ad5ef670590441f202bf4f51c (patch)
treef55426445cf8010688e2b79e2864559416d54570 /nptl
parent56e987ac483651060f64cef5186cad8d808b614c (diff)
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* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
	(lll_robust_mutex_unlock): Avoid unnecessary wakeups.
	* sysdeps/unix/sysv/linux/i386/lowlevellock.h
	(lll_robust_mutex_unlock): Likewise.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog7
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h2
3 files changed, 9 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 9fcab186c4..f2ca4307f1 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,10 @@
+2006-02-17  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+	(lll_robust_mutex_unlock): Avoid unnecessary wakeups.
+	* sysdeps/unix/sysv/linux/i386/lowlevellock.h
+	(lll_robust_mutex_unlock): Likewise.
+
 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
 
 	* descr.h [!__PTHREAD_MUTEX_HAVE_PREV] (DEQUEUE_MUTEX):
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index f3b97143c4..afdba009a0 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -309,7 +309,7 @@ extern int __lll_mutex_unlock_wake (int *__futex)
 			      ".previous\n"				      \
 			      "1:"					      \
 			      : "=m" (futex), "=&a" (ignore)		      \
-			      : "i" (FUTEX_TID_MASK), "m" (futex)	      \
+			      : "i" (FUTEX_WAITERS), "m" (futex)	      \
 			      : "memory"); })
 
 
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index f91ce9b8d9..95e6923d4d 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -275,7 +275,7 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
 			      ".previous\n"				      \
 			      "2:"					      \
 			      : "=m" (futex), "=&D" (ignore)		      \
-			      : "i" (FUTEX_TID_MASK), "m" (futex)	      \
+			      : "i" (FUTEX_WAITERS), "m" (futex)	      \
 			      : "ax", "cx", "r11", "cc", "memory"); })