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authorEmilio G. Cota <cota@braap.org>2017-07-10 20:03:50 -0400
committerRichard Henderson <richard.henderson@linaro.org>2017-10-10 07:37:10 -0700
commit84f1c148da2b35fbb5a436597872765257e8914e (patch)
tree123d14f1cb0cbd823b4f4702f6c07d9b1c415ab2 /include
parentf6bb84d53110398f4899c19dab4e0fe9908ec060 (diff)
exec-all: bring tb->invalid into tb->cflags
This gets rid of a hole in struct TranslationBlock. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/exec/exec-all.h3
-rw-r--r--include/exec/tb-lookup.h2
2 files changed, 2 insertions, 3 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index a9a8bb6f83..3135aaf4c9 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -314,12 +314,11 @@ struct TranslationBlock {
#define CF_NOCACHE 0x10000 /* To be freed after execution */
#define CF_USE_ICOUNT 0x20000
#define CF_IGNORE_ICOUNT 0x40000 /* Do not generate icount code */
+#define CF_INVALID 0x80000 /* TB is stale. Setters must acquire tb_lock */
/* Per-vCPU dynamic tracing state used to generate this TB */
uint32_t trace_vcpu_dstate;
- uint16_t invalid;
-
void *tc_ptr; /* pointer to the translated code */
uint8_t *tc_search; /* pointer to search data */
/* original tb when cflags has CF_NOCACHE */
diff --git a/include/exec/tb-lookup.h b/include/exec/tb-lookup.h
index 9d32cb0c6e..436b6d5ecf 100644
--- a/include/exec/tb-lookup.h
+++ b/include/exec/tb-lookup.h
@@ -35,7 +35,7 @@ tb_lookup__cpu_state(CPUState *cpu, target_ulong *pc, target_ulong *cs_base,
tb->cs_base == *cs_base &&
tb->flags == *flags &&
tb->trace_vcpu_dstate == *cpu->trace_dstate &&
- !atomic_read(&tb->invalid))) {
+ !(atomic_read(&tb->cflags) & CF_INVALID))) {
return tb;
}
tb = tb_htable_lookup(cpu, *pc, *cs_base, *flags);