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[Qemu-devel] [PATCH] fixup! tcg: ensure cpu_tb_exec/tb_gen_code use atom
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH] fixup! tcg: ensure cpu_tb_exec/tb_gen_code use atomic_read/write |
Date: |
Fri, 30 Sep 2016 23:12:01 +0100 |
---
cpu-exec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 0e6b3d3..8b8be25 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -291,7 +291,8 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
is executed. */
cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
tb = atomic_rcu_read(&cpu->tb_jmp_cache[tb_jmp_cache_hash_func(pc)]);
- if (unlikely(!tb || atomic_read(&tb->pc) != pc ||
atomic_read(&tb->cs_base) != cs_base ||
+ if (unlikely(!tb || atomic_read(&tb->pc) != pc ||
+ atomic_read(&tb->cs_base) != cs_base ||
atomic_read(&tb->flags) != flags)) {
tb = tb_htable_lookup(cpu, pc, cs_base, flags);
if (!tb) {
--
2.9.3
- [Qemu-devel] [PATCH v3 02/15] atomic.h: comment on use of atomic_read/set, (continued)
- [Qemu-devel] [PATCH v3 02/15] atomic.h: comment on use of atomic_read/set, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 04/15] tcg/optimize: move default return out of if statement, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 10/15] linux-user/syscall: extend lock around cpu-list, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 05/15] seqlock: use atomic writes for the sequence, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 08/15] cpu: atomically modify cpu->exit_request, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 07/15] qom/cpu: atomically clear the tb_jmp_cache, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 11/15] qga/command: use QEMU atomic primitives, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 12/15] .travis.yml: add gcc sanitizer build, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 13/15] tcg: ensure cpu_tb_exec/tb_gen_code use atomic_read/write, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH] fixup! tcg: ensure cpu_tb_exec/tb_gen_code use atomic_read/write,
Alex Bennée <=
- [Qemu-devel] [PATCH v3 15/15] translate-all: mark updates to PageDesc as atomic, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 09/15] util/qht: atomically set b->hashes, Alex Bennée, 2016/09/30
- [Qemu-devel] [PATCH v3 14/15] tcg: update remaining TranslationBuffer fields atomically, Alex Bennée, 2016/09/30
- Re: [Qemu-devel] [PATCH v3 00/15] A number of fixes for ThreadSanitizer, no-reply, 2016/09/30
- Re: [Qemu-devel] [PATCH v3 00/15] A number of fixes for ThreadSanitizer, no-reply, 2016/09/30