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authorGleb Natapov <gleb@redhat.com>2010-10-18 15:22:23 +0200
committerAvi Kivity <avi@redhat.com>2011-01-12 11:23:08 +0200
commit49c7754ce57063b819b01eb8a4290841ad0886c4 (patch)
tree67561bbc829d93efa5316c246ec84fe2f2493236 /virt/kvm/async_pf.c
parent56028d0861e48f7cc9c573d79f2d8a0a933a2bba (diff)
downloadvexpress-lsk-49c7754ce57063b819b01eb8a4290841ad0886c4.tar.gz
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>
Diffstat (limited to 'virt/kvm/async_pf.c')
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