From: "Jan Beulich" <jbeulich@novell.com>
To: "Hugh Dickins" <hugh@veritas.com>
Cc: "Andi Kleen" <ak@suse.de>, <linux-kernel@vger.kernel.org>,
<patches@x86-64.org>
Subject: Re: [PATCH] x86-64: adjust pmd_bad()
Date: Wed, 15 Nov 2006 17:12:34 +0000 [thread overview]
Message-ID: <455B5892.76E4.0078.0@novell.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0611151658520.24160@blonde.wat.veritas.com>
>>> Hugh Dickins <hugh@veritas.com> 15.11.06 18:01 >>>
>On Wed, 15 Nov 2006, Jan Beulich wrote:
>
>> Make pmd_bad() symmetrical to pgd_bad() and pud_bad(). At once,
>> simplify them all.
>
>Symmetrical and simpler, yes, but you're weakening the pmd_bad() test:
>no longer requires that all those _KERNPG_TABLE bits be set. Wouldn't
>it be better to go the other way and strengthen pgd_bad, pud_bad?
Maybe, but there must have been a reason for not doing so. It could
certainly be a follow-up patch - if it works.
Jan
next prev parent reply other threads:[~2006-11-15 17:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-15 15:06 [PATCH] x86-64: adjust pmd_bad() Jan Beulich
2006-11-15 16:31 ` [patches] " Andi Kleen
2006-11-15 17:01 ` Hugh Dickins
2006-11-15 17:12 ` Jan Beulich [this message]
2006-11-15 17:23 ` [patches] " Andi Kleen
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