[Intel-gfx] [PATCH i-g-t 1/8] lib: Skip unused fork helpers

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Skip trying to stop unused fork helpers to avoid the various asserts
> that they were running and didn't die early.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109468
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  lib/igt_core.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/lib/igt_core.c b/lib/igt_core.c
> index 49fbf70de..0794e11a0 100644
> --- a/lib/igt_core.c
> +++ b/lib/igt_core.c
> @@ -1678,6 +1678,9 @@ void igt_stop_helper(struct igt_helper_process *proc)
>  {
>  	int status;
>  
> +	if (!proc->running) /* never even started */
> +		return;
> +

The comment above mentions that it is error to call this on a helper
process which hasn't been spawned yet. So as we relax the requirements,
remove that comment.

With that,
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

>  	/* failure here means the pid is already dead and so waiting is safe */
>  	kill(proc->pid, proc->use_SIGKILL ? SIGKILL : SIGTERM);
>  
> -- 
> 2.20.1
>
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