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(parent: 12794ba) | patch
[LINUX] Add spurious page-fault detection, intended primarily
authorkfraser@dhcp93.uk.xensource.com <kfraser@dhcp93.uk.xensource.com>
Fri, 16 Jun 2006 17:19:40 +0000 (18:19 +0100)
committerkfraser@dhcp93.uk.xensource.com <kfraser@dhcp93.uk.xensource.com>
Fri, 16 Jun 2006 17:19:40 +0000 (18:19 +0100)
commitd6a811acc8b99176437c699a729d5c078e78432c
treed1d65483ccc3cb877921a186f77e4594eacc56f4tree | snapshot
parent12794ba7df5ceed2f4ccf2818e44dcaaa78c210ecommit | diff
[LINUX] Add spurious page-fault detection, intended primarily
for spurious write faults on mappings that have been
changed from read-only to writable. If a CPU has a stale
read-only entry in its TLB, it is allowed to fault on
the next write access without re-walking the page table.
Signed-off-by: Keir Fraser <keir@xensource.com>
linux-2.6-xen-sparse/arch/i386/mm/fault-xen.c diff | blob | history
linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c diff | blob | history
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