From: Kirill Korotaev <dev@sw.ru>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [announce, patch] 4G/4G split on x86, 64 GB RAM (and more) support
Date: Thu, 10 Jul 2003 16:33:06 +0400 [thread overview]
Message-ID: <200307101633.06912.dev@sw.ru> (raw)
In-Reply-To: <20030710123529.A6866@flint.arm.linux.org.uk>
Hi!
> I haven't read the patches, but this caught my attention.
>
> Wasn't the use of cr3 there to ensure that we used the right page tables
> when fixing up page faults occuring in the middle of a context switch for
> interrupt handlers in kernel modules?
When 4gb split is used cr3 always(!) points to swapper pgdir when kernel code
is executing, so it is not an issue.
Kirill
next prev parent reply other threads:[~2003-07-10 12:09 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-09 10:58 [announce, patch] 4G/4G split on x86, 64 GB RAM (and more) support "Kirill Korotaev"
2003-07-09 15:14 ` Ingo Molnar
2003-07-10 10:50 ` Kirill Korotaev
2003-07-10 10:59 ` Ingo Molnar
2003-07-10 11:35 ` Russell King
2003-07-10 12:33 ` Kirill Korotaev [this message]
2003-07-14 20:24 ` Ingo Molnar
[not found] <E19aCeB-000ICs-00.kksx-mail-ru@f23.mail.ru.suse.lists.linux.kernel>
2003-07-09 12:44 ` Andi Kleen
[not found] ` <200307091851.33438.dev@sw.ru>
[not found] ` <20030709164852.523093a3.ak@suse.de>
2003-07-09 15:17 ` Kirill Korotaev
-- strict thread matches above, loose matches on Subject: below --
2003-07-08 22:45 Ingo Molnar
2003-07-09 1:29 ` William Lee Irwin III
2003-07-09 5:13 ` Martin J. Bligh
2003-07-09 5:19 ` William Lee Irwin III
2003-07-09 5:43 ` William Lee Irwin III
2003-07-12 23:58 ` Davide Libenzi
2003-07-13 0:11 ` William Lee Irwin III
2003-07-13 8:13 ` jw schultz
2003-07-09 6:42 ` Ingo Molnar
2003-07-09 5:16 ` Dave Hansen
2003-07-09 7:08 ` Geert Uytterhoeven
2003-07-10 1:36 ` Martin J. Bligh
2003-07-10 13:36 ` Martin J. Bligh
2003-07-13 22:05 ` Petr Vandrovec
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