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authorUlrich Drepper <drepper@redhat.com>2007-05-10 23:38:55 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-10 23:38:55 +0000
commit3771196d1d5ac6a4213fdb77b4974ca69cd1ae09 (patch)
treea0158e9daf2ba473c3a24e4ba3c068ea4aa36bc9 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
parentf9bf102dd663c2e498e7755bb4bd35d79c8dc37b (diff)
* sysdeps/unix/sysv/linux/sched_setaffinity.ccvs/fedora-glibc-20070510T2308cvs/fedora-glibc-20070510T2304
(__sched_setaffinity_new): If syscall was successful and RESET_VGETCPU_CACHE is defined, use it before returning. * sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
new file mode 100644
index 0000000000..640d3044fd
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
@@ -0,0 +1,14 @@
+#include <tls.h>
+
+#define RESET_VGETCPU_CACHE() \
+ do { \
+ asm volatile ("movl %0, %%fs:%P1\n\t" \
+ "movl %0, %%fs:%P2" \
+ : \
+ : "ir" (0), "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[0])), \
+ "i" (offsetof (struct pthread, \
+ header.vgetcpu_cache[1]))); \
+ } while (0)
+
+#include "../pthread_setaffinity.c"