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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-01-05 12:47:42 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:27 +0100 |
| commit | 6432c015b754fef910dd7468b16fffc2b975348a (patch) | |
| tree | c24cb8d552c034c15927601d955e47673efdacc0 /arch/s390 | |
| parent | b1b750918566c6c4e8ed6c9b3c0f05b4c0a8805c (diff) | |
| download | linux-3.10-6432c015b754fef910dd7468b16fffc2b975348a.tar.gz linux-3.10-6432c015b754fef910dd7468b16fffc2b975348a.tar.bz2 linux-3.10-6432c015b754fef910dd7468b16fffc2b975348a.zip | |
[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')
| -rw-r--r-- | arch/s390/include/asm/thread_info.h | 2 |
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 |