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author | Xiao Guangrong <guangrong.xiao@linux.intel.com> | 2016-02-24 17:51:13 +0800 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-03 14:36:22 +0100 |
commit | 0eb05bf290cfe8610d9680b49abef37febd1c38a (patch) | |
tree | c3708bc310e6d9eb63f967fe27819b724c7064f2 /arch/x86/include/asm/kvm_host.h | |
parent | e5691a81e830c12d396b3f219ab999be87a1208f (diff) | |
download | linux-0eb05bf290cfe8610d9680b49abef37febd1c38a.tar.bz2 |
KVM: page track: add notifier support
Notifier list is introduced so that any node wants to receive the track
event can register to the list
Two APIs are introduced here:
- kvm_page_track_register_notifier(): register the notifier to receive
track event
- kvm_page_track_unregister_notifier(): stop receiving track event by
unregister the notifier
The callback, node->track_write() is called when a write access on the
write tracked page happens
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index e2fc5c0ec86a..eb68e6aca0cf 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -704,6 +704,7 @@ struct kvm_arch { */ struct list_head active_mmu_pages; struct list_head zapped_obsolete_pages; + struct kvm_page_track_notifier_head track_notifier_head; struct list_head assigned_dev_head; struct iommu_domain *iommu_domain; |