linux-kernel - Re: [PATCH] UV: fix incorrect tlb flush all issue

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Date:	Wed, 26 Sep 2012 13:23:30 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Cliff Wickman <cpw@....com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com, Alex Shi <alex.shi@...el.com>
Subject: Re: [PATCH] UV: fix incorrect tlb flush all issue


* Cliff Wickman <cpw@....com> wrote:

> From: Cliff Wickman <cpw@....com>
> 
> (this was sent as an ack on 9/13, but with incorrect title and sign-off)
> 
> Ack.
> But with the adjustment below.  The 'end' argument was not declared long.
> 
> I tested the patch on a UV.
> It has the effect of either clearing 1 or all TLBs in a cpu.
> I added some debugging to test for the cases when clearing all TLBs is
> overkill, and in practice it happens very seldom.
> 
> Reported-by: Jan Beulich <jbeulich@...e.com>
> Signed-off-by: Alex Shi <alex.shi@...el.com>
> Signed-off-by: Cliff Wickman <cpw@....com>

If this is still substantially the original patch then I suspect 
this should be From: Alex Shi, and the small fix you made can be 
added as:

 Signed-off-by: Alex Shi <alex.shi@...el.com>
 [ fixed the 'end' argument to be declared 'long'. ]
 Signed-off-by: Cliff Wickman <cpw@....com>

Thanks,

	Ingo
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