From: Gary Hade <garyhade@us.ibm.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Gary Hade <garyhade@us.ibm.com>,
mingo@elte.hu, mingo@redhat.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, x86@kernel.org, ebiederm@xmission.com,
yinghai@kernel.org, lcm@us.ibm.com
Subject: Re: [RESEND] [PATCH v2] [BUGFIX] x86/x86_64: fix CPU offlining triggered "active" device IRQ interrruption
Date: Wed, 3 Jun 2009 09:40:13 -0700 [thread overview]
Message-ID: <20090603164013.GA7566@us.ibm.com> (raw)
In-Reply-To: <4A26014F.4070207@zytor.com>
On Tue, Jun 02, 2009 at 09:51:27PM -0700, H. Peter Anvin wrote:
> Gary Hade wrote:
> > Impact: Eliminates an issue that can leave the system in an
> > unusable state.
> >
> > This patch addresses an issue where device generated IRQs
> > are no longer seen by the kernel following IRQ affinity
> > migration while the device is generating IRQs at a high rate.
> >
>
> This patch doesn't seem to apply to current mainline.
>
> What is your base?
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git
which Ingo encouraged me to use because it contained some of
Yinghai Lu's recent changes that hadn't reached mainline yet.
Gary
--
Gary Hade
System x Enablement
IBM Linux Technology Center
503-578-4503 IBM T/L: 775-4503
garyhade@us.ibm.com
http://www.ibm.com/linux/ltc
next prev parent reply other threads:[~2009-06-03 16:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-02 19:32 [RESEND] [PATCH v2] [BUGFIX] x86/x86_64: fix CPU offlining triggered "active" device IRQ interrruption Gary Hade
2009-06-03 4:51 ` H. Peter Anvin
2009-06-03 16:40 ` Gary Hade [this message]
2009-06-03 12:03 ` Eric W. Biederman
2009-06-03 17:06 ` Gary Hade
2009-06-03 21:13 ` Eric W. Biederman
2009-06-04 20:04 ` Gary Hade
2009-06-04 21:17 ` Gary Hade
2009-06-04 23:16 ` Eric W. Biederman
2009-06-03 12:27 ` Eric W. Biederman
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