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(parent: 5991224) | patch
shadow: drop guest VRAM write access after some idleness
authorKeir Fraser <keir.fraser@citrix.com>
Thu, 8 May 2008 12:15:45 +0000 (13:15 +0100)
committerKeir Fraser <keir.fraser@citrix.com>
Thu, 8 May 2008 12:15:45 +0000 (13:15 +0100)
commit1b1305666b610a4808b06d8635451ea74996ceed
tree7a2668f95b4cb4eae92860bb1ba7402110d29f11tree | snapshot
parent5991224aff6747d3d50e83da00659a0a277c9cc0commit | diff
shadow: drop guest VRAM write access after some idleness

If the video RAM has been kept clean for at least 2 seconds, we can
afford taking the time to drop guest write access, which allows us to
save the dirty bit scanning entirely until we get a guest page handle.

From: Samuel Thibault <samuel.thibault@eu.citrix.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
xen/arch/x86/mm/shadow/common.c diff | blob | history
xen/arch/x86/mm/shadow/multi.c diff | blob | history
xen/arch/x86/mm/shadow/private.h diff | blob | history
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