[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC v2 04/38] translate-all: use cpu_in_exclusive_work
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [RFC v2 04/38] translate-all: use cpu_in_exclusive_work_context() in tb_flush |
Date: |
Thu, 24 Jan 2019 14:44:42 +0000 |
User-agent: |
mu4e 1.1.0; emacs 26.1.91 |
Emilio G. Cota <address@hidden> writes:
> tb_flush will be called by the plugin module from a safe
> work environment. Prepare for that.
>
> Suggested-by: Alex Bennée <address@hidden>
> Signed-off-by: Emilio G. Cota <address@hidden>
Reviewed-by: Alex Bennée <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 038d82fdb5..62d5e13185 100644
> --- a/accel/tcg/translate-all.c
> +++ b/accel/tcg/translate-all.c
> @@ -1269,8 +1269,13 @@ 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));
> + }
> }
> }
--
Alex Bennée
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- Re: [Qemu-devel] [RFC v2 04/38] translate-all: use cpu_in_exclusive_work_context() in tb_flush,
Alex Bennée <=