Message-ID: <478FD12F.6020706@zytor.com>
Date: Thu, 17 Jan 2008 17:05:35 -0500
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andreas Herrmann3 <andreas.herrmann3@AMD.COM>
CC: Ingo Molnar <mingo@elte.hu>,
       "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
       Venki Pallipadi <venkatesh.pallipadi@intel.com>, ak@muc.de,
       ebiederm@xmission.com, rdreier@cisco.com, torvalds@linux-foundation.org,
       gregkh@suse.de, airlied@skynet.ie, davej@redhat.com, tglx@linutronix.de,
       akpm@linux-foundation.org, arjan@infradead.org, jesse.barnes@intel.com,
       davem@davemloft.net, linux-kernel@vger.kernel.org
Subject: Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes
References: <20080116023955.597433000@intel.com> <20080116185748.GA11244@alberich.amd.com> <20080116203328.GA17869@linux-os.sc.intel.com> <20080117191211.GA12631@alberich.amd.com> <20080117203600.GB27778@elte.hu> <20080117210301.GC12631@alberich.amd.com> <20080117211308.GA7858@elte.hu> <20080117213131.GA25389@linux-os.sc.intel.com> <20080117214209.GA12811@elte.hu> <20080117220650.GE12631@alberich.amd.com>
In-Reply-To: <20080117220650.GE12631@alberich.amd.com>
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Andreas Herrmann3 wrote:
> 
> Yes, we must fix all aliases or reject the conflicting mapping.
> But fixing all aliases might not be that easy.
> (I've just seen a panic when using your patch ;-(
> 

Avoiding inconsistent aliases is definitely fundamental to supporting PAT.

	-hpa

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