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: <92645B27BF79D04FBD2B0F8494FFD0F9102AE1@G2W2429.americas.hpqcorp.net>
Date:	Thu, 11 Oct 2012 15:32:09 +0000
From:	"Zhang, Lin-Bao (Linux Kernel R&D)" <linbao.zhang@...com>
To:	"H. Peter Anvin" <hpa@...or.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 )


> -----Original Message-----
> From: H. Peter Anvin [mailto:hpa@...or.com]
> Sent: 2012年10月10日 23:27
> To: Zhang, Lin-Bao (Linux Kernel R&D); Suresh Siddha
> Cc: linux-kernel@...r.kernel.org; alan@...rguk.ukuu.org.uk;
> mingo@...hat.com; Croxon, Nigel; tglx@...utronix.de; x86@...nel.org;
> a.p.zijlstra@...llo.nl; Sakkinen, Jarkko; joerg.roedel@....com;
> agordeev@...hat.com; 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.
> 
Thanks Peter very much.