[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 12/39] tcg: Note requirement on atomic direct jump pa
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL 12/39] tcg: Note requirement on atomic direct jump patching |
Date: |
Thu, 12 May 2016 14:13:13 -1000 |
From: Sergey Fedorov <address@hidden>
Signed-off-by: Sergey Fedorov <address@hidden>
Signed-off-by: Sergey Fedorov <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <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 30cdd69..6c113a3 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
--
2.5.5
- [Qemu-devel] [PULL 03/39] include/qemu/osdep.h: Add macros for pointer alignment, (continued)
- [Qemu-devel] [PULL 03/39] include/qemu/osdep.h: Add macros for pointer alignment, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 01/39] tb: consistently use uint32_t for tb->flags, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 04/39] tci: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 06/39] tcg/i386: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 08/39] tcg/arm: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 10/39] tcg/sparc: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 05/39] tcg/ppc: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 07/39] tcg/s390: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 09/39] tcg/aarch64: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 11/39] tcg/mips: Make direct jump patching thread-safe, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 12/39] tcg: Note requirement on atomic direct jump patching,
Richard Henderson <=
- [Qemu-devel] [PULL 13/39] translate-all: remove redundant setting of tcg_ctx.code_gen_buffer_size, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 15/39] translate-all: Adjust 256mb testing for mips64, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 14/39] translate-all: add missing munmap of the code_gen guard page for MIPS, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 16/39] tcg: Clean up direct block chaining data fields, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 17/39] tcg: Use uintptr_t type for jmp_list_{next|first} fields of TB, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 18/39] tcg: Rearrange tb_link_page() to avoid forward declaration, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 19/39] tcg: Init TB's direct jumps before making it visible, Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 21/39] tcg: Rename tb_jmp_remove() to tb_remove_from_jmp_list(), Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 20/39] tcg: Clarify thread safety check in tb_add_jump(), Richard Henderson, 2016/05/12
- [Qemu-devel] [PULL 23/39] tcg: Clean up tb_jmp_unlink(), Richard Henderson, 2016/05/12