linux-kernel - RE: [PATCH] fix x2apic defect that Linux kernel doesn't mask 8259A interrupt during the time window between changing VT-d table base address and initializing these VT-d entries(smpboot.c and apic.c )

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Message-ID: <c76ab9ca-d85a-4327-a775-dc5b7d1d5a56@email.android.com>
Date:	Thu, 11 Oct 2012 13:26:44 +0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Zhang, Lin-Bao (Linux Kernel R&D)" <linbao.zhang@...com>,
	Suresh Siddha <suresh.b.siddha@...el.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"alan@...rguk.ukuu.org.uk" <alan@...rguk.ukuu.org.uk>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"Croxon, Nigel" <nigel.croxon@...com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"x86@...nel.org" <x86@...nel.org>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"Sakkinen, Jarkko" <jarkko.sakkinen@...el.com>,
	"joerg.roedel@....com" <joerg.roedel@....com>,
	"agordeev@...hat.com" <agordeev@...hat.com>,
	"yinghai@...nel.org" <yinghai@...nel.org>
Subject: RE: [PATCH] fix x2apic defect that Linux kernel doesn't mask 8259A interrupt during the time window between changing VT-d table base address and initializing these VT-d entries(smpboot.c and apic.c )

OSV = Operating System Vendor ime. red Hat, SUSE etc.

"Zhang, Lin-Bao (Linux Kernel R&D)" <linbao.zhang@...com> wrote:

>
>> -----Original Message-----
>> From: Suresh Siddha [mailto:suresh.b.siddha@...el.com]
>> > > Can you please apply the appended patch to 2.6.32 kernel and see
>if
>> > > the issue you mentioned gets fixed? If so, we can ask the -stable
>> > > and OSV's teams to pick up this fix.
>> > Yes , it can resolve current issue.
>> 
>> Thanks for testing it out.
>> 
>You are welcome!
>
>> I will add the appropriate changelog and send the patch out (to
>2.6.32 stable
>> and OSV kernels) with your "Tested-by:" if you are ok.
>> 
>Sure, it is my pleasure .Please go ahead!
>BTW , what's OSV kernels ? I can't find its meaning by searching
>google.  
>Once your patch has been included by 2.6 git, kindly inform me. Thanks.
>
>
>> thanks,
>> suresh

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
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