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SubjectRe: 2.5.31 kmap_atomic copy_*_user benefits
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?

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