From: ebiederm@xmission.com (Eric W. Biederman)
To: Gary Hade <garyhade@us.ibm.com>
Cc: mingo@elte.hu, mingo@redhat.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, hpa@zytor.com, x86@kernel.org,
yinghai@kernel.org, suresh.b.siddha@intel.com, lcm@us.ibm.com
Subject: Re: [PATCH] x86/x86_64: warn of -EBUSY returns from __assign_irq_vector()
Date: Mon, 08 Jun 2009 11:31:30 -0700 [thread overview]
Message-ID: <m1fxea8tml.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20090608173917.GA8264@us.ibm.com> (Gary Hade's message of "Mon\, 8 Jun 2009 10\:39\:17 -0700")
Gary Hade <garyhade@us.ibm.com> writes:
> Impact: helps expose unexpected issues
>
> Since we have seen one case where an unexpected -EBUSY
> return from __assign_irq_vector() was included in the
> series of events that caused a serious problem
> re: http://lkml.org/lkml/2009/6/2/377
> we should warn to help expose similar unexpected issues
> in the future.
>
> Signed-off-by: Gary Hade <garyhade@us.ibm.com>
Gary again can you make the case that this is not a problem
with fixup_irqs?
Changing the rest of the code to match the always broken
assumptions in fixup_irqs is the tail wagging the dog.
Eric
prev parent reply other threads:[~2009-06-08 18:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-08 17:39 [PATCH] x86/x86_64: warn of -EBUSY returns from __assign_irq_vector() Gary Hade
2009-06-08 18:31 ` Eric W. Biederman [this message]
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