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(parent: 56028d0) | patch
KVM: Add memory slot versioning and use it to provide fast guest write interface
authorGleb Natapov <gleb@redhat.com>
Mon, 18 Oct 2010 13:22:23 +0000 (15:22 +0200)
committerAvi Kivity <avi@redhat.com>
Wed, 12 Jan 2011 09:23:08 +0000 (11:23 +0200)
commit49c7754ce57063b819b01eb8a4290841ad0886c4
tree67561bbc829d93efa5316c246ec84fe2f2493236tree | snapshot
parent56028d0861e48f7cc9c573d79f2d8a0a933a2bbacommit | diff
KVM: Add memory slot versioning and use it to provide fast guest write interface

Keep track of memslots changes by keeping generation number in memslots
structure. Provide kvm_write_guest_cached() function that skips
gfn_to_hva() translation if memslots was not changed since previous
invocation.

Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
include/linux/kvm_host.h diff | blob | history
include/linux/kvm_types.h diff | blob | history
virt/kvm/kvm_main.c diff | blob | history
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