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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-01-05 12:47:42 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:27 +0100
commit6432c015b754fef910dd7468b16fffc2b975348a (patch)
treec24cb8d552c034c15927601d955e47673efdacc0 /arch/s390/include
parentb1b750918566c6c4e8ed6c9b3c0f05b4c0a8805c (diff)
downloadlinux-linaro-android-6432c015b754fef910dd7468b16fffc2b975348a.tar.gz
[S390] current_thread_info optimization
Use thread_info lowcore field for current_thread_info(), saves an unnecessary calculation. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/thread_info.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 5baf0230b29..81452021794 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -74,7 +74,7 @@ struct thread_info {
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
- return (struct thread_info *)(S390_lowcore.kernel_stack - THREAD_SIZE);
+ return (struct thread_info *) S390_lowcore.thread_info;
}
#define THREAD_SIZE_ORDER THREAD_ORDER