From: Matthew Wilcox <matthew@wil.cx>
To: Kyle McMartin <kyle@mcmartin.ca>
Cc: wzt.wzt@gmail.com, linux-kernel@vger.kernel.org,
linux-parisc@vger.kernel.org, deller@gmx.de,
jejb@parisc-linux.org
Subject: Re: [PATCH] Parisc: Check kmalloc return value before use the buffer in ccio-dma.c
Date: Thu, 6 May 2010 04:59:48 -0600 [thread overview]
Message-ID: <20100506105948.GV6747@parisc-linux.org> (raw)
In-Reply-To: <20100506040331.GC4902@bombadil.infradead.org>
On Thu, May 06, 2010 at 12:03:31AM -0400, Kyle McMartin wrote:
> We can change it to GFP_ATOMIC|__GFP_NOFAIL so it will retry infinitely,
> or we can panic in the error path with a nice error message so the users
> knows why his machine isn't going to work.
If we can't initialise the IOMMU, can we even get a panic message out to
the user?
--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
next prev parent reply other threads:[~2010-05-06 10:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-06 2:42 [PATCH] Parisc: Check kmalloc return value before use the buffer in ccio-dma.c wzt.wzt
2010-05-06 4:03 ` Kyle McMartin
2010-05-06 10:59 ` Matthew Wilcox [this message]
2010-05-06 20:08 ` Kyle McMartin
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