Re: [PATCH revision 2] windfarm: dont die on suspend thread signal

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Andrew Morton <akpm@osdl.org>,
	linuxppc-dev@ozlabs.org, linux-pm@lists.osdl.org,
	Christoph Hellwig <hch@lst.de>, Torrance <torrance123@gmail.com>
Subject: Re: [PATCH revision 2] windfarm: dont die on suspend thread signal
Date: Tue, 06 Feb 2007 10:04:01 +1100	[thread overview]
Message-ID: <1170716641.2620.145.camel@localhost.localdomain> (raw)
In-Reply-To: <1170716074.30959.13.camel@johannes.berg>

On Mon, 2007-02-05 at 23:54 +0100, Johannes Berg wrote:
> When the windfarm thread gets a suspend signal it will die instead of
> freezing. This fixes it.

Don't we still need to call try_to_freeze() ?

> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
> 
> ---
> Adresses Christoph's comment: This keeps the original try_to_freeze() in
> place and just remove the code that kills the thread on a signal.
> 
> --- mb-wireless.orig/drivers/macintosh/windfarm_core.c	2007-02-05 16:07:10.524524763 +0100
> +++ mb-wireless/drivers/macintosh/windfarm_core.c	2007-02-05 23:49:46.004524763 +0100
> @@ -117,12 +117,6 @@ static int wf_thread_func(void *data)
>  		delay = next - jiffies;
>  		if (delay <= HZ)
>  			schedule_timeout_interruptible(delay);
> -
> -		/* there should be no signal, but oh well */
> -		if (signal_pending(current)) {
> -			printk(KERN_WARNING "windfarm: thread got sigl !\n");
> -			break;
> -		}
>  	}
>  
>  	DBG("wf: thread stopped\n");
> 
> 
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