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authorEmilio G. Cota2017-07-11 02:03:50 +0200
committerRichard Henderson2017-10-10 16:37:10 +0200
commit84f1c148da2b35fbb5a436597872765257e8914e (patch)
tree123d14f1cb0cbd823b4f4702f6c07d9b1c415ab2 /accel
parenttcg: consolidate TB lookups in tb_lookup__cpu_state (diff)
downloadqemu-84f1c148da2b35fbb5a436597872765257e8914e.tar.gz
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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 'accel')
-rw-r--r--accel/tcg/cpu-exec.c4
-rw-r--r--accel/tcg/translate-all.c3
2 files changed, 3 insertions, 4 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index f8a1d68db7..9cd809d607 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -294,7 +294,7 @@ static bool tb_cmp(const void *p, const void *d)
tb->cs_base == desc->cs_base &&
tb->flags == desc->flags &&
tb->trace_vcpu_dstate == desc->trace_vcpu_dstate &&
- !atomic_read(&tb->invalid)) {
+ !(atomic_read(&tb->cflags) & CF_INVALID)) {
/* check next page if needed */
if (tb->page_addr[1] == -1) {
return true;
@@ -412,7 +412,7 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
tb_lock();
acquired_tb_lock = true;
}
- if (!tb->invalid) {
+ if (!(tb->cflags & CF_INVALID)) {
tb_add_jump(last_tb, tb_exit, tb);
}
}
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index a7c1d4e3f2..ed65d68709 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1073,7 +1073,7 @@ void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr)
assert_tb_locked();
- atomic_set(&tb->invalid, true);
+ atomic_set(&tb->cflags, tb->cflags | CF_INVALID);
/* remove the TB from the hash list */
phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
@@ -1269,7 +1269,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb->flags = flags;
tb->cflags = cflags;
tb->trace_vcpu_dstate = *cpu->trace_dstate;
- tb->invalid = false;
#ifdef CONFIG_PROFILER
tcg_ctx.tb_count1++; /* includes aborted translations because of