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[Qemu-devel] [PATCH v3 04/50] translate-all: use cpu_in_exclusive_work_c
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH v3 04/50] translate-all: use cpu_in_exclusive_work_context() in tb_flush |
Date: |
Fri, 14 Jun 2019 18:11:14 +0100 |
From: "Emilio G. Cota" <address@hidden>
tb_flush will be called by the plugin module from a safe
work environment. Prepare for that.
Suggested-by: Alex Bennée <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
---
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 5d1e08b169..54998e39c6 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 = 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_work_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));
+ }
}
}
--
2.20.1
- [Qemu-devel] [PATCH v3 00/50] tcg plugin support, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 04/50] translate-all: use cpu_in_exclusive_work_context() in tb_flush,
Alex Bennée <=
- [Qemu-devel] [PATCH v3 06/50] configure: add --enable-plugins (MOVE TO END), Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 03/50] cpu: introduce cpu_in_exclusive_work_context(), Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 05/50] docs/devel: add plugins.rst design document, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 12/50] cputlb: introduce get_page_addr_code_hostp, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 14/50] tcg: add tcg_gen_st_ptr, Alex Bennée, 2019/06/14