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[XEN] Heuristic for fast revoke-write-access in HIGHPTE linux guests
authorTim Deegan <Tim.Deegan@xensource.com>
Tue, 17 Oct 2006 10:14:17 +0000 (11:14 +0100)
committerTim Deegan <Tim.Deegan@xensource.com>
Tue, 17 Oct 2006 10:14:17 +0000 (11:14 +0100)
commitcf644d65c942b323bd1b5ebcc0fea92ba6df57af
tree6fba6bf417ebb829f244711891c9ddf6f80a20aatree | snapshot
parentf26cc7890337eb60472e9888a547a608f2555916commit | diff
[XEN] Heuristic for fast revoke-write-access in HIGHPTE linux guests

This adds a heuristic for speeding up revocation of write access to
pagetables for HIGHPTE linux kernels, which previously had to brute-force
search all L1 shadows.

Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>
xen/arch/x86/mm/shadow/common.c diff | blob | history
xen/arch/x86/mm/shadow/multi.c diff | blob | history
xen/include/asm-x86/domain.h diff | blob | history
xen/include/asm-x86/perfc_defn.h diff | blob | history
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