diff options
| author | Kai Huang <kai.huang@linux.intel.com> | 2015-01-28 10:54:27 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-29 15:31:41 +0100 |
| commit | 88178fd4f7187bbe290c5d373fd44aabec891934 (patch) | |
| tree | 997b40341e4dccca84af8a570e33a493120f402d /arch/x86/kvm/mmu.c | |
| parent | 1c91cad42366ce0799ca17e7ad6995418741d012 (diff) | |
KVM: x86: Add new dirty logging kvm_x86_ops for PML
This patch adds new kvm_x86_ops dirty logging hooks to enable/disable dirty
logging for particular memory slot, and to flush potentially logged dirty GPAs
before reporting slot->dirty_bitmap to userspace.
kvm x86 common code calls these hooks when they are available so PML logic can
be hidden to VMX specific. SVM won't be impacted as these hooks remain NULL
there.
Signed-off-by: Kai Huang <kai.huang@linux.intel.com>
Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ec62ecd2d513..cee759299a35 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1335,7 +1335,11 @@ void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t gfn_offset, unsigned long mask) { - kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask); + if (kvm_x86_ops->enable_log_dirty_pt_masked) + kvm_x86_ops->enable_log_dirty_pt_masked(kvm, slot, gfn_offset, + mask); + else + kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask); } static bool rmap_write_protect(struct kvm *kvm, u64 gfn) |