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[PULL,2/4] accel/tcg: Fix overwrite problems of tcg_cflags

Message ID 20230404155220.1572650-3-richard.henderson@linaro.org
State New
Headers show
Series [PULL,1/4] Revert "linux-user/arm: Take more care allocating commpage" | expand

Commit Message

Richard Henderson April 4, 2023, 3:52 p.m. UTC 
From: Weiwei Li <liweiwei@iscas.ac.cn>

CPUs often set CF_PCREL in tcg_cflags before qemu_init_vcpu(), in which
tcg_cflags will be overwrited by tcg_cpu_init_cflags().

Fixes: 4be790263ffc ("accel/tcg: Replace `TARGET_TB_PCREL` with `CF_PCREL`")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Message-Id: <20230331150609.114401-6-liweiwei@iscas.ac.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 accel/tcg/tcg-accel-ops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/accel/tcg/tcg-accel-ops.c b/accel/tcg/tcg-accel-ops.c
index af35e0d092..58c8e64096 100644
--- a/accel/tcg/tcg-accel-ops.c
+++ b/accel/tcg/tcg-accel-ops.c
@@ -59,7 +59,7 @@  void tcg_cpu_init_cflags(CPUState *cpu, bool parallel)
 
     cflags |= parallel ? CF_PARALLEL : 0;
     cflags |= icount_enabled() ? CF_USE_ICOUNT : 0;
-    cpu->tcg_cflags = cflags;
+    cpu->tcg_cflags |= cflags;
 }
 
 void tcg_cpus_destroy(CPUState *cpu)