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| author | Sergey Fedorov <serge.fdrv@gmail.com> | 2016-04-22 19:08:53 +0300 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-05-12 14:06:41 -1000 |
| commit | 10b4f4855537dd421e193a7d0416513116370558 (patch) | |
| tree | dee4279ce497969216e788619d0f0b5dfea8336c | |
| parent | c82460a560176ef69c2f0662bd280612e274db96 (diff) | |
| download | qemu-10b4f4855537dd421e193a7d0416513116370558.zip | |
tcg: Note requirement on atomic direct jump patching
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <1461341333-19646-12-git-send-email-sergey.fedorov@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | include/exec/exec-all.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 30cdd699f4..6c113a3d20 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -230,6 +230,7 @@ static inline void tlb_flush_by_mmuidx(CPUState *cpu, ...) || defined(__sparc__) || defined(__aarch64__) \ || defined(__s390x__) || defined(__mips__) \ || defined(CONFIG_TCG_INTERPRETER) +/* NOTE: Direct jump patching must be atomic to be thread-safe. */ #define USE_DIRECT_JUMP #endif |