[Qemu-devel] [PATCH 11/11] tcg: Note requirement on atomic direct jump patching

[Sergey Fedorov]

From: Sergey Fedorov <address@hidden>

Signed-off-by: Sergey Fedorov <address@hidden>
Signed-off-by: Sergey Fedorov <address@hidden>
---
 include/exec/exec-all.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 6a054ee720a8..1878e7b7856c 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -229,6 +229,7 @@ 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 and thread-safe. */
 #define USE_DIRECT_JUMP
 #endif
 
-- 
2.8.1