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[PULL,01/24] tcg: Reset data_gen_ptr correctly

Message ID 20241023033432.1353830-2-richard.henderson@linaro.org
State Accepted
Commit a7cfd751fb269de4a93bf1658cb13911c7ac77cc
Headers show
Series [PULL,01/24] tcg: Reset data_gen_ptr correctly | expand

Commit Message

Richard Henderson Oct. 23, 2024, 3:34 a.m. UTC 
This pointer needs to be reset after overflow just like
code_buf and code_ptr.

Cc: qemu-stable@nongnu.org
Fixes: 57a269469db ("tcg: Infrastructure for managing constant pools")
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 5decd83cf4..0babae1b88 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1399,7 +1399,6 @@  TranslationBlock *tcg_tb_alloc(TCGContext *s)
         goto retry;
     }
     qatomic_set(&s->code_gen_ptr, next);
-    s->data_gen_ptr = NULL;
     return tb;
 }
 
@@ -6172,6 +6171,7 @@  int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
      */
     s->code_buf = tcg_splitwx_to_rw(tb->tc.ptr);
     s->code_ptr = s->code_buf;
+    s->data_gen_ptr = NULL;
 
 #ifdef TCG_TARGET_NEED_LDST_LABELS
     QSIMPLEQ_INIT(&s->ldst_labels);