direct-io.hg

view .hgtags @ 13487:2056bc71fa55

[IA64] Let Xen handle identity mapping for xenolinux region 7

During kernel build in dom0, half of the resulting slow reflections
are alt DTLB misses. Since we know Linux identity maps region 7,
Xen can handle the miss itself. This reduces the system time component
of the kernel build by nearly 15%.

Signed-off-by: Anthony Xu <anthony.xu@intel.com>
author awilliam@xenbuild2.aw
date Wed Jan 17 19:48:02 2007 -0700 (2007-01-17)
parents f80f1cc7f85e
children 1c232243a457
line source
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3 dc2f08429f17e6614fd2f1ab88cc09ca0a850f32 RELEASE-2.0.2
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9 6a65fe0f84c8339b5b89362d0ec34d8abab752b0 ia64-stable
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