diff options
| author | Mingwei Zhang <mizhang@google.com> | 2023-09-12 18:45:53 +0000 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-09-27 13:32:18 -0700 |
| commit | 78b5605d44e65cb2e07181fcbcde8c76ad5b07b1 (patch) | |
| tree | 809f56635bac2ed014c0ffec1c70e78ffc95d413 /Documentation/virt | |
| parent | c3204c406b6d4223022af26699bd3a5b71ba5fd8 (diff) | |
KVM: Documentation: Add the missing description for tdp_mmu_page into kvm_mmu_page
Add the description for tdp_mmu_page into kvm_mmu_page description.
tdp_mmu_page is a field to differentiate shadow pages from TDP MMU and
non-TDP MMU.
Signed-off-by: Mingwei Zhang <mizhang@google.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20230912184553.1887764-7-mizhang@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/x86/mmu.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/x86/mmu.rst b/Documentation/virt/kvm/x86/mmu.rst index d04729c180da..2b3b6d442302 100644 --- a/Documentation/virt/kvm/x86/mmu.rst +++ b/Documentation/virt/kvm/x86/mmu.rst @@ -282,6 +282,10 @@ Shadow pages contain the following information: since the last time the page table was actually used; if emulation is triggered too frequently on this page, KVM will unmap the page to avoid emulation in the future. + tdp_mmu_page: + Is 1 if the shadow page is a TDP MMU page. This variable is used to + bifurcate the control flows for KVM when walking any data structure that + may contain pages from both TDP MMU and shadow MMU. Reverse map =========== |