linux-kernel - Re: [PATCH v5 3/6] smp: add function to execute a function synchronously on a cpu

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Message-ID: <20160406180431.GS3448@twins.programming.kicks-ass.net>
Date:	Wed, 6 Apr 2016 20:04:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Juergen Gross <jgross@...e.com>
Cc:	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	mingo@...hat.com, Douglas_Warzecha@...l.com, pali.rohar@...il.com,
	jdelvare@...e.com, linux@...ck-us.net, tglx@...utronix.de,
	hpa@...or.com, jeremy@...p.org, chrisw@...s-sol.org,
	akataria@...are.com, rusty@...tcorp.com.au,
	virtualization@...ts.linux-foundation.org, x86@...nel.org
Subject: Re: [PATCH v5 3/6] smp: add function to execute a function
 synchronously on a cpu

On Wed, Apr 06, 2016 at 04:17:43PM +0200, Juergen Gross wrote:
> On some hardware models (e.g. Dell Studio 1555 laptop) some hardware
> related functions (e.g. SMIs) are to be executed on physical cpu 0
> only. Instead of open coding such a functionality multiple times in
> the kernel add a service function for this purpose. This will enable
> the possibility to take special measures in virtualized environments
> like Xen, too.
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>

Thanks!

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>