linux-kernel - Re: [LKML] Re: [LKML] Re: [tip:x86/apic] x86: Fix out of order gsi -- add remap_ioapic_gsi_to

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Date:	Mon, 1 Mar 2010 13:33:27 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	linux-tip-commits@...r.kernel.org, linux-kernel@...r.kernel.org,
	hpa@...or.com, mingo@...hat.com, garyhade@...ibm.com,
	iranna.ankad@...ibm.com, suresh.b.siddha@...el.com,
	tglx@...utronix.de, trenn@...e.de
Subject: Re: [LKML] Re: [LKML] Re: [tip:x86/apic] x86: Fix out of order gsi
	-- add remap_ioapic_gsi_to_irq()

On Mon, Mar 01, 2010 at 10:44:23AM -0800, Eric W. Biederman wrote:
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> writes:
> 
> >> 
> >> > so far this patch only affect (fix ) x3950.
> >
> > .. snip ..
> >> > other solution will ask IBM to fix their bios, so we can get
> >
> > It isn't just IBM. Asus P2B-D (PIIX4) and SuperMicro X8DAL (possibly)
> > seem to have the same issue.
> >
> > (http://lists.xensource.com/archives/html/xen-devel/2010-02/msg00715.html)
> > and
> > (http://lists.xensource.com/archives/html/xen-devel/2010-02/msg01239.html)
> 
> I can't find the reference to those boards in the email you quoted.  Xen

Might have to hit the past button a couple of times. Anyway, here is the
first description of the problem:
http://lists.xensource.com/archives/html/xen-devel/2010-01/msg01049.html

and the board name.

> does strange and very different things with it's irqs so it is unlikely to
> be the same issue.

I think I am confusing the patches. Adding in this patch:

[PATCH 01/35] x86: fix sci on ioapic 1 which was posted by Yinghai Lu on
Feb 9th fixed the issue with the ASUS board.

and the discussion here is for a different patch, so I think I am
raising unnecessary noise here - sorry about that.
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