Date: Mon, 11 Feb 2008 07:04:30 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: Andi Kleen <ak@suse.de>
Cc: tglx@linutronix.de, mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that support
 self-snoop
Message-ID: <20080211070430.099fbded@laptopd505.fenrus.org>
In-Reply-To: <20080211095022.7B8C31B41CE@basil.firstfloor.org>
References: <200802111050.372086035@suse.de>
	<20080211095022.7B8C31B41CE@basil.firstfloor.org>
Organization: Intel
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On Mon, 11 Feb 2008 10:50:22 +0100 (CET)
Andi Kleen <ak@suse.de> wrote:

> 
> [2.6.25 candidate I believe]
> 
> The specification of SS in the public manuals is a little unclear,
> but I got confirmation from Intel that SS implies that there is no
> cache flush needed on caching attribute changes.

I'm hearing slightly different information, but am still chasing this one.
It might be better to delay this one to .26 ;-(
(I would very much like to avoid the cache flush but... it really HAS to be safe)


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