linux-kernel - Re: [RFC] TIF_NOTIFY_RESUME, arch/*/*/*signal*.c and all such

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Date:	Mon, 30 Apr 2012 16:39:15 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Roland McGrath <roland@...k.frob.com>,
	Greg Ungerer <gerg@...inux.org>
Subject: Re: [RFC] TIF_NOTIFY_RESUME, arch/*/*/*signal*.c and all such

On 30/04/12 08:51, Al Viro wrote:
> On Fri, Apr 27, 2012 at 08:34:13PM +0100, Al Viro wrote:
>> On Fri, Apr 27, 2012 at 09:14:53PM +0200, Geert Uytterhoeven wrote:
>>> On Fri, Apr 27, 2012 at 20:45, Al Viro<viro@...iv.linux.org.uk>  wrote:
>>>>> The only comment I have,
>>>>> 38671a3e831ed7327affb24d715f98bb99c80e56 m68k: add TIF_NOTIFY_RESUME and handle it
>>>>> forgets to unexport do_signal().
>>>>
>>>> Meh... ??The thing is, there are _two_ of them. ??signal_mm.c and signal_no.c
>>>> badly need merging, with common stuff moved to signal.c. ??I really hate
>>>
>>> Greg recently posted a patch to merge them:
>>> http://www.spinics.net/lists/linux-m68k/msg04995.html
>>
>> Nice...  BTW, could you comment on
>>      m68k: don't open-code block_sigmask()
>>      m68k: use set_current_blocked in sigreturn/rt_sigreturn
>>      m68k-nommu: do_signal() is only called when returning to user mode
>>      m68k: add TIF_NOTIFY_RESUME and handle it.
>> in signal.git tree?  The last one is really interesting...
>>
>> Just pick the current tree - one that was there yesterday had a dumb typo
>> in thread_info.h part, so it wouldn't even compile (TIF_NOTIFE_RESUME
>> defined instead of TIF_NOTIFY_RESUME ;-/)
>
> BTW, Greg's patch put into the queue in the very beginning, everything rebased
> on top of it.

Those changes currently sitting in your signal tree look ok to me.

Acked-by: Greg Ungerer <gerg@...inux.org>

Regards
Greg


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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
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