From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH md 002 of 2] Make md threads interruptible again.
Date: Mon, 14 Nov 2005 18:08:05 -0800
Message-ID: <20051114180805.01dbf4b9.akpm@osdl.org>
References: <20051115125442.9317.patches@notabene>
	<1051115015641.9393@suse.de>
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To: NeilBrown <neilb@suse.de>
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NeilBrown <neilb@suse.de> wrote:
>
> 
> Despite the fact that md threads don't need to be signalled, and won't
> respond to signals anyway, we need to have an 'interruptible' wait,
> else they stay in 'D' state and add to the load average.
> 
> ...
> +		if (signal_pending(current))
> +			flush_signals(current);

Kernel threads don't accept signals by default, so the above is unneeded.

I'll leave it in there now, since that's how things used to be, but please
make a note to nuke that check, then test it to make sure I'm telling the
truth, then fix it up later on?