From: William Lee Irwin III <wli@holomorphy.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.31 kmap_atomic copy_*_user benefits
Date: Thu, 15 Aug 2002 19:44:36 -0700 [thread overview]
Message-ID: <20020816024436.GX15685@holomorphy.com> (raw)
In-Reply-To: <3D5C5F05.7080004@us.ibm.com>
William Lee Irwin III wrote:
>> With and without kmap_atomic() -based copy_*_user() patches from akpm.
>> Taken on a 16x/16GB box.
On Thu, Aug 15, 2002 at 07:10:13PM -0700, Dave Hansen wrote:
> Have you seen any instability with these things applied? I seem to be
> getting a fair amount of these BUG()s. But, I imagine that it could
> be a race uncovered because of the serialization that highmem locks
> caused.
> kernel BUG at softirq.c:229!
> invalid operand: 0000
Hmm, I didn't catch this one. OTOH I did use a fwd port of an earlier
version of the patch. Shall we kgdb? Which box/workload?
Cheers,
Bill
next prev parent reply other threads:[~2002-08-16 2:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-15 23:21 2.5.31 kmap_atomic copy_*_user benefits William Lee Irwin III
2002-08-15 23:26 ` William Lee Irwin III
2002-08-15 23:27 ` William Lee Irwin III
2002-08-15 23:30 ` William Lee Irwin III
2002-08-15 23:31 ` William Lee Irwin III
2002-08-15 23:35 ` William Lee Irwin III
2002-08-18 8:36 ` Daniel Phillips
2002-08-16 2:10 ` Dave Hansen
2002-08-16 2:44 ` William Lee Irwin III [this message]
2002-08-16 2:52 ` Dave Hansen
2002-08-16 6:33 ` Andrew Morton
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