KVM: page track: introduce kvm_slot_page_track_{add,remove}_page

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These two functions are the user APIs:
- kvm_slot_page_track_add_page(): add the page to the tracking pool
  after that later specified access on that page will be tracked

- kvm_slot_page_track_remove_page(): remove the page from the tracking
  pool, the specified access on the page is not tracked after the last
  user is gone

Both of these are called under the protection both of mmu-lock and
kvm->srcu or kvm->slots_lock

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Xiao Guangrong 2016-02-24 17:51:10 +08:00 • committed by Paolo Bonzini

parent 21ebbedadd

commit f29d4d7810

2 changed files with 92 additions and 0 deletions

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7

arch/x86/include/asm/kvm_page_track.h

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85

arch/x86/kvm/page_track.c

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