From 1390da4ee75168b6e4d8354e93e3b5f0a0291f2f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:55:41 +0800 Subject: [PATCH] Blackfin arch: make sure cycles is marked as volatile so gcc doesnt reorder on us Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/timex.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h index 22b0806161b..248aeb06680 100644 --- a/arch/blackfin/include/asm/timex.h +++ b/arch/blackfin/include/asm/timex.h @@ -16,7 +16,7 @@ typedef unsigned long long cycles_t; static inline cycles_t get_cycles(void) { unsigned long tmp, tmp2; - __asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); + __asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); return tmp | ((cycles_t)tmp2 << 32); } -- 2.41.1