linux-kernel - Re: [PATCH 15/15] Add DEFINE_SPUFS

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Message-Id: <200709131417.48748.arnd@arndb.de>
Date:	Thu, 13 Sep 2007 14:17:48 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	michael@...erman.id.au
Cc:	linuxppc-dev@...abs.org, Jeremy Kerr <jk@...abs.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/15] Add DEFINE_SPUFS_ATTRIBUTE()

On Thursday 13 September 2007, Michael Ellerman wrote:
> Well that'd be nice, but I don't see anywhere that that happens. AFAICT
> the acquire we do in the first coredump callback is the first the SPU
> contexts know about their PPE process dying. And spufs is still live, so
> I think we definitely need to grab the mutex, or we might race with
> userspace accessing spufs files.

Right, I was only thinking about the dumping process itself, but there
may be other processes that still have files open for that context.

	Arnd <><
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