From: Manfred Spraul <manfred@colorfullife.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: 4GB+DEBUG_PAGEALLOC oopses with 2.6.0-test3-mm1
Date: Sun, 10 Aug 2003 12:33:02 +0200 [thread overview]
Message-ID: <3F361F5E.10106@colorfullife.com> (raw)
Hi Ingo,
I'm running into crashes in copy_mount_options with
CONFIG_DEBUG_PAGEALLOC and 4GB in 2.6.0-test3-mm1:
The functions in mm/usercopy assume that no exception handling is
required if fs is KERNEL_DS. This is not true: at least the mount
options copy and the i386 traps handler assume exception handling with
fs==KERNEL_DS.
How should this be fixed? I don't see a simple, portable way to
implement exception handling for the kernel address space.
--
Manfred
next reply other threads:[~2003-08-10 10:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-10 10:33 Manfred Spraul [this message]
2003-08-11 8:56 ` 4GB+DEBUG_PAGEALLOC oopses with 2.6.0-test3-mm1 Ingo Molnar
2003-08-11 15:22 ` Manfred Spraul
2003-08-11 15:24 ` Ingo Molnar
2003-08-11 16:05 ` Manfred Spraul
2003-08-11 17:19 ` Ingo Molnar
2003-08-11 18:01 ` Manfred Spraul
2003-08-11 9:00 ` Ingo Molnar
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