From 6432c015b754fef910dd7468b16fffc2b975348a Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Wed, 5 Jan 2011 12:47:42 +0100 Subject: [PATCH] [S390] current_thread_info optimization Use thread_info lowcore field for current_thread_info(), saves an unnecessary calculation. Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/thread_info.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 5baf0230b29b..814520217945 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 -- 2.39.5