From: "H. Peter Anvin" <hpa@zytor.com>
To: Gary Hade <garyhade@us.ibm.com>
Cc: 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: Tue, 02 Jun 2009 21:51:27 -0700 [thread overview]
Message-ID: <4A26014F.4070207@zytor.com> (raw)
In-Reply-To: <20090602193216.GC7282@us.ibm.com>
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?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2009-06-03 4:53 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 [this message]
2009-06-03 16:40 ` Gary Hade
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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