linux-kernel - Re: [Patch V4 01/42] x86, irq: update high address field when updating affinity for MSI IRQ

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Message-ID: <alpine.DEB.2.02.1406091722260.17705@chino.kir.corp.google.com>
Date:	Mon, 9 Jun 2014 17:22:37 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Grant Likely <grant.likely@...aro.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>, x86@...nel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Joerg Roedel <joro@...tes.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, stable@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [Patch V4 01/42] x86, irq: update high address field when updating
 affinity for MSI IRQ

On Mon, 9 Jun 2014, Jiang Liu wrote:

> If x2apic is enabled, the MSI high address field should also be aslo
> updated when setting affinity for MSI IRQ, otherwise the MSI IRQ may
> target wrong APIC IDs.
> 
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> Cc: stable@...r.kernel.org

Acked-by: David Rientjes <rientjes@...gle.com>
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