Re: [PATCH 03/14] freezer: remove superflous try_to_freeze() loop in do_signal_stop()

[Rafael J. Wysocki]

On Friday, November 26, 2010, Tejun Heo wrote:
> do_signal_stop() is used only by get_signal_to_deliver() and after a
> successful signal stop, it always calls try_to_freeze(), so the
> try_to_freeze() loop around schedule() in do_signal_stop() is
> superflous and confusing.  Remove it.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Roland McGrath <roland@xxxxxxxxxx>
> Cc: Rafael J. Wysocki <rjw@xxxxxxx>

Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>

Thanks!

> ---
>  kernel/signal.c |    4 +---
>  1 files changed, 1 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/signal.c b/kernel/signal.c
> index fe004b5..0a6816a 100644
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -1781,9 +1781,7 @@ static int do_signal_stop(int signr)
>  	}
>  
>  	/* Now we don't run again until woken by SIGCONT or SIGKILL */
> -	do {
> -		schedule();
> -	} while (try_to_freeze());
> +	schedule();
>  
>  	tracehook_finish_jctl();
>  	current->exit_code = 0;
> 

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