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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-10-16 23:55:41 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-10-16 23:55:41 +0800 |
| commit | 1390da4ee75168b6e4d8354e93e3b5f0a0291f2f (patch) | |
| tree | bd6aa0036949693e73b1f78d409d1ed9e300980b /arch/blackfin | |
| parent | ed061b7ac8afb1181c6195aa502a8a7ef7ac3015 (diff) | |
| download | op-kernel-dev-1390da4ee75168b6e4d8354e93e3b5f0a0291f2f.zip op-kernel-dev-1390da4ee75168b6e4d8354e93e3b5f0a0291f2f.tar.gz | |
Blackfin arch: make sure cycles is marked as volatile so gcc doesnt reorder on us
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/timex.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h index 22b0806..248aeb06 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); } |
