linux-kernel - Re: [PATCH v5] irqchip, gicv3-its, numa: Enable workaround for Cavium thunderx erratum 23144

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Message-ID: <20160422090052.GA4236@arm.com>
Date:	Fri, 22 Apr 2016 10:00:52 +0100
From:	Will Deacon <will.deacon@....com>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Robert Richter <robert.richter@...iumnetworks.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Jonathan Corbet <corbet@....net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	David Daney <david.daney@...iumnetworks.com>,
	gpkulkarni@...il.com,
	Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
	linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5] irqchip, gicv3-its, numa: Enable workaround for
 Cavium thunderx erratum 23144

On Fri, Apr 22, 2016 at 09:01:05AM +0100, Marc Zyngier wrote:
> On 21/04/16 18:40, Robert Richter wrote:
> > On 15.04.16 21:30:05, Robert Richter wrote:
> >> From: Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>
> >>
> >> The erratum fixes the hang of ITS SYNC command by avoiding inter node
> >> io and collections/cpu mapping on thunderx dual-socket platform.
> >>
> >> This fix is only applicable for Cavium's ThunderX dual-socket platform.
> >>
> >> This is based on NUMA v16 series.
> >> Message-Id: <1460155828-8690-1-git-send-email-ddaney.cavm@...il.com>
> > 
> > Will, Catalin,
> > 
> > after NUMA base patches went into linux-next (many thanks), please
> > consider this pass 1.x errata workaround for inclusion too.
> 
> I'll queue it as a fix once the NUMA patches are merged into mainline.

Yeah, this can probably go in as -rc1 material if you're happy with it.

Will