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Re: [Qemu-devel] [PATCH v6 69/73] cpu: rename all_cpu_threads_idle to qe
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH v6 69/73] cpu: rename all_cpu_threads_idle to qemu_tcg_rr_all_cpu_threads_idle |
Date: |
Fri, 08 Feb 2019 11:34:45 +0000 |
User-agent: |
mu4e 1.0; emacs 26.1 |
Emilio G. Cota <address@hidden> writes:
> This function is only called from TCG rr mode, so add
> a prefix to mark this as well as an assertion.
>
> Signed-off-by: Emilio G. Cota <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
> ---
> cpus.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/cpus.c b/cpus.c
> index aee129c0b3..0d255c2655 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -211,10 +211,12 @@ static bool cpu_thread_is_idle(CPUState *cpu)
> return true;
> }
>
> -static bool all_cpu_threads_idle(void)
> +static bool qemu_tcg_rr_all_cpu_threads_idle(void)
> {
> CPUState *cpu;
>
> + g_assert(qemu_is_tcg_rr());
> +
> CPU_FOREACH(cpu) {
> if (!cpu_thread_is_idle(cpu)) {
> return false;
> @@ -692,7 +694,7 @@ void qemu_start_warp_timer(void)
> }
>
> if (replay_mode != REPLAY_MODE_PLAY) {
> - if (!all_cpu_threads_idle()) {
> + if (!qemu_tcg_rr_all_cpu_threads_idle()) {
> return;
> }
>
> @@ -1325,7 +1327,7 @@ static void qemu_tcg_rr_wait_io_event(void)
> {
> CPUState *cpu;
>
> - while (all_cpu_threads_idle()) {
> + while (qemu_tcg_rr_all_cpu_threads_idle()) {
> stop_tcg_kick_timer();
> qemu_cond_wait(first_cpu->halt_cond, &qemu_global_mutex);
> }
> @@ -1659,7 +1661,7 @@ static void *qemu_tcg_rr_cpu_thread_fn(void *arg)
> atomic_mb_set(&cpu->exit_request, 0);
> }
>
> - if (use_icount && all_cpu_threads_idle()) {
> + if (use_icount && qemu_tcg_rr_all_cpu_threads_idle()) {
> /*
> * When all cpus are sleeping (e.g in WFI), to avoid a deadlock
> * in the main_loop, wake it up in order to start the warp timer.
--
Alex Bennée
- Re: [Qemu-devel] [PATCH v6 69/73] cpu: rename all_cpu_threads_idle to qemu_tcg_rr_all_cpu_threads_idle,
Alex Bennée <=