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X-Received-From: 2a00:1450:4864:20::342 Subject: [Qemu-devel] [PATCH v4 10/54] translate-all: use cpu_in_exclusive_work_context() in tb_flush X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aaron@os.amperecomputing.com, cota@braap.org, Paolo Bonzini , bobby.prani@gmail.com, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: "Emilio G. Cota" tb_flush will be called by the plugin module from a safe work environment. Prepare for that. Suggested-by: Alex Benn=C3=A9e Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Emilio G. Cota Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Richard Henderson --- accel/tcg/translate-all.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 5d1e08b1699..9c5c60ed964 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1268,8 +1268,13 @@ void tb_flush(CPUState *cpu) { if (tcg_enabled()) { unsigned tb_flush_count =3D atomic_mb_read(&tb_ctx.tb_flush_count); - async_safe_run_on_cpu(cpu, do_tb_flush, - RUN_ON_CPU_HOST_INT(tb_flush_count)); + + if (cpu_in_exclusive_context(cpu)) { + do_tb_flush(cpu, RUN_ON_CPU_HOST_INT(tb_flush_count)); + } else { + async_safe_run_on_cpu(cpu, do_tb_flush, + RUN_ON_CPU_HOST_INT(tb_flush_count)); + } } } =20 --=20 2.20.1