From: ebiederm@xmission.com (Eric W. Biederman)
To: Joe Korty <joe.korty@ccur.com>
Cc: venkatesh.pallipadi@intel.com, mingo@elte.hu,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clear irq pending when bypassing it
Date: Thu, 30 Apr 2009 09:49:39 -0700 [thread overview]
Message-ID: <m11vra13z0.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20090430161506.GA2636@typhoon.ccur.com> (Joe Korty's message of "Thu\, 30 Apr 2009 12\:15\:06 -0400")
Joe Korty <jak@typhoon.ccur.com> writes:
> IRQ_MOVE_PENDING must be cleared whenever it is bypassed.
>
> Otherwise, we risk an old, pending affinity change
> overtaking and erasing a more recent affinity change that
> had been directly applied (eg, IRQ_MOVE_PCNTXT mode).
When can this happen?
Eric
next parent reply other threads:[~2009-04-30 16:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090430161506.GA2636@typhoon.ccur.com>
2009-04-30 16:49 ` Eric W. Biederman [this message]
2009-04-30 18:00 ` [PATCH] clear irq pending when bypassing it Joe Korty
2009-04-30 18:43 ` Eric W. Biederman
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