From: David Howells <dhowells@redhat.com>
To: Hannes Hering <hannes.hering@linux.vnet.ibm.com>
Cc: themann@de.ibm.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, ossrosch@linux.vnet.ibm.com,
linuxppc-dev@ozlabs.org, raisch@de.ibm.com, ossthema@de.ibm.com,
osstklei@de.ibm.com, David Miller <davem@davemloft.net>
Subject: Re: [PATCH 2.6.30-rc5] ehea: fix invalid pointer access
Date: Tue, 05 May 2009 10:11:27 +0100 [thread overview]
Message-ID: <25628.1241514687@redhat.com> (raw)
In-Reply-To: <200905041802.30527.hannes.hering@linux.vnet.ibm.com>
Hannes Hering <hannes.hering@linux.vnet.ibm.com> wrote:
> pref = skb_array[x];
> - prefetchw(pref);
> - prefetchw(pref + EHEA_CACHE_LINE);
> + if (pref) {
> + prefetchw(pref);
> + prefetchw(pref + EHEA_CACHE_LINE);
Ummm... Is prefetch() or prefetchw() faulting?
David
WARNING: multiple messages have this Message-ID (diff)
From: David Howells <dhowells@redhat.com>
To: Hannes Hering <hannes.hering@linux.vnet.ibm.com>
Cc: dhowells@redhat.com, David Miller <davem@davemloft.net>,
themann@de.ibm.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, raisch@de.ibm.com,
ossrosch@linux.vnet.ibm.com, linuxppc-dev@ozlabs.org,
ossthema@de.ibm.com, osstklei@de.ibm.com
Subject: Re: [PATCH 2.6.30-rc5] ehea: fix invalid pointer access
Date: Tue, 05 May 2009 10:11:27 +0100 [thread overview]
Message-ID: <25628.1241514687@redhat.com> (raw)
In-Reply-To: <200905041802.30527.hannes.hering@linux.vnet.ibm.com>
Hannes Hering <hannes.hering@linux.vnet.ibm.com> wrote:
> pref = skb_array[x];
> - prefetchw(pref);
> - prefetchw(pref + EHEA_CACHE_LINE);
> + if (pref) {
> + prefetchw(pref);
> + prefetchw(pref + EHEA_CACHE_LINE);
Ummm... Is prefetch() or prefetchw() faulting?
David
next prev parent reply other threads:[~2009-05-05 9:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-04 16:02 [PATCH 2.6.30-rc5] ehea: fix invalid pointer access Hannes Hering
2009-05-04 16:02 ` Hannes Hering
2009-05-04 18:07 ` David Miller
2009-05-04 18:07 ` David Miller
2009-05-05 9:11 ` David Howells [this message]
2009-05-05 9:11 ` David Howells
2009-05-05 11:19 ` Hannes Hering
2009-05-05 11:19 ` Hannes Hering
2009-05-05 12:19 ` David Howells
2009-05-05 12:19 ` David Howells
2009-05-05 13:45 ` Hannes Hering
2009-05-05 13:45 ` Hannes Hering
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