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From: Andi Kleen <andi@firstfloor.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: Folding _PAGE_PWT into _PAGE_PCD (was Re: unify pagetable accessors patch causes double fault II)
Date: Tue, 15 Jan 2008 18:39:02 +0100 [thread overview]
Message-ID: <20080115173902.GB2665@one.firstfloor.org> (raw)
In-Reply-To: <478CEE45.1040006@goop.org>
> Good, but isn't the name _PAGE_CACHE misleading? Or does it mean
It's all bits related to caching.
> something else in the context of PAT?
It could mean arbitary things with PAT -- PAT essentially allows to
reprogram these bits freely to various different modi using a mapping table.
In the default configuration any bit set should resort in a uncacheable mode
though.
-Andi
next prev parent reply other threads:[~2008-01-15 17:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080114094814.GA28300@basil.nowhere.org>
2008-01-14 12:56 ` unify pagetable accessors patch causes double fault II Andi Kleen
2008-01-14 13:06 ` Ingo Molnar
2008-01-14 13:58 ` Andi Kleen
2008-01-14 16:44 ` Jeremy Fitzhardinge
2008-01-14 16:56 ` Ingo Molnar
2008-01-14 17:08 ` Andi Kleen
2008-01-14 17:18 ` unify pagetable accessors patch causes double fault III Andi Kleen
2008-01-14 19:00 ` Ingo Molnar
2008-01-14 19:54 ` Jeremy Fitzhardinge
2008-01-14 20:15 ` Andi Kleen
2008-01-14 19:52 ` unify pagetable accessors patch causes double fault II Jeremy Fitzhardinge
2008-01-14 22:03 ` Jeremy Fitzhardinge
2008-01-14 22:23 ` Andi Kleen
2008-01-14 22:46 ` Jeremy Fitzhardinge
2008-01-15 1:05 ` Andi Kleen
2008-01-15 1:32 ` Jeremy Fitzhardinge
2008-01-15 1:38 ` Andi Kleen
2008-01-15 21:03 ` [patch] x86: lfence fix Ingo Molnar
2008-01-16 0:44 ` Andi Kleen
2008-01-15 12:55 ` unify pagetable accessors patch causes double fault II Ingo Molnar
2008-01-15 16:53 ` Andi Kleen
2008-01-15 13:53 ` Ingo Molnar
2008-01-15 17:16 ` Folding _PAGE_PWT into _PAGE_PCD (was Re: unify pagetable accessors patch causes double fault II) Jeremy Fitzhardinge
2008-01-15 17:23 ` Andi Kleen
2008-01-15 17:32 ` Jeremy Fitzhardinge
2008-01-15 17:39 ` Andi Kleen [this message]
2008-01-15 20:30 ` Venki Pallipadi
2008-01-15 20:45 ` Jeremy Fitzhardinge
2008-01-15 17:36 ` unify pagetable accessors patch causes double fault II Andi Kleen
2008-01-15 19:43 ` Jeremy Fitzhardinge
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