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Subject: Re: [PATCH v2 09/10] x86/mm: Enable CR4.PCIDE on supported systems
References: <cover.1497415951.git.luto@kernel.org>
 <9cbc7f6c85a865f544adc6141951059e5aff7309.1497415951.git.luto@kernel.org>
From: Juergen Gross <jgross@suse.com>
Message-ID: <37ff0036-e33c-84d2-2c5d-8c85d1245064@suse.com>
Date: Wed, 14 Jun 2017 07:30:32 +0200
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In-Reply-To: <9cbc7f6c85a865f544adc6141951059e5aff7309.1497415951.git.luto@kernel.org>
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Sender: owner-linux-mm@kvack.org
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To: Andy Lutomirski <luto@kernel.org>, x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mgorman@suse.de>, "linux-mm@kvack.org" <linux-mm@kvack.org>, Nadav Amit <nadav.amit@gmail.com>, Rik van Riel <riel@redhat.com>, Dave Hansen <dave.hansen@intel.com>, Arjan van de Ven <arjan@linux.intel.com>, Peter Zijlstra <peterz@infradead.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>

On 14/06/17 06:56, Andy Lutomirski wrote:
> We can use PCID if the CPU has PCID and PGE and we're not on Xen.
> 
> By itself, this has no effect.  The next patch will start using
> PCID.
> 
> Cc: Juergen Gross <jgross@suse.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>

Reviewed-by: Juergen Gross <jgross@suse.com>


Thanks,

Juergen

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