From: Jeff Garzik <jeff@garzik•org>
To: Alexey Dobriyan <adobriyan@gmail•com>
Cc: csnook@redhat•com, netdev@vger•kernel.org,
linux-kernel@vger•kernel.org,
Jay Cliburn <jacliburn@bellsouth•net>,
stable@kernel•org
Subject: Re: [PATCH RESEND] atl1: fix 4G memory corruption bug
Date: Thu, 22 May 2008 17:20:30 -0400 [thread overview]
Message-ID: <4835E39E.90801@garzik.org> (raw)
In-Reply-To: <20080522220025.GA566@martell.zuzino.mipt.ru>
Alexey Dobriyan wrote:
> From: Alexey Dobriyan <adobriyan@gmail•com>
>
> When using 4+ GB RAM and SWIOTLB is active, the driver corrupts
> memory by writing an skb after the relevant DMA page has been
> unmapped. Although this doesn't happen when *not* using bounce
> buffers, clearing the pointer to the DMA page after unmapping
> it fixes the problem.
>
> http://marc.info/?t=120861317000005&r=2&w=2
>
>
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail•com>
> Signed-off-by: Jay Cliburn <jacliburn@bellsouth•net>
> ---
>
> drivers/net/atlx/atl1.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
applied
next prev parent reply other threads:[~2008-05-22 21:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-22 22:00 [PATCH RESEND] atl1: fix 4G memory corruption bug Alexey Dobriyan
2008-05-22 21:20 ` Jeff Garzik [this message]
2008-05-26 20:02 ` Jay Cliburn
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4835E39E.90801@garzik.org \
--to=jeff@garzik$(echo .)org \
--cc=adobriyan@gmail$(echo .)com \
--cc=csnook@redhat$(echo .)com \
--cc=jacliburn@bellsouth$(echo .)net \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=netdev@vger$(echo .)kernel.org \
--cc=stable@kernel$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox