| Message ID | 20210410151229.4062930-1-pbonzini@redhat.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Fix missing TLB flushes in TDP MMU | expand |
On Sat, Apr 10, 2021 at 11:12:20AM -0400, Paolo Bonzini wrote: >The new MMU for two-dimensional paging had some missing TLB flushes >in 5.10 and 5.11. This series backports some generic improvements >to simplify the backport in the last four patches. > >Ben Gardon (5): > KVM: x86/mmu: change TDP MMU yield function returns to match > cond_resched > KVM: x86/mmu: Merge flush and non-flush tdp_mmu_iter_cond_resched > KVM: x86/mmu: Rename goal_gfn to next_last_level_gfn > KVM: x86/mmu: Ensure forward progress when yielding in TDP MMU iter > KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed > >Paolo Bonzini (1): > KVM: x86/mmu: preserve pending TLB flush across calls to > kvm_tdp_mmu_zap_sp > >Sean Christopherson (3): > KVM: x86/mmu: Ensure TLBs are flushed when yielding during GFN range > zap > KVM: x86/mmu: Ensure TLBs are flushed for TDP MMU during NX zapping > KVM: x86/mmu: Don't allow TDP MMU to yield when recovering NX pages Queued up, thanks!
On Sat, Apr 10, 2021, Paolo Bonzini wrote: > The new MMU for two-dimensional paging had some missing TLB flushes > in 5.10 and 5.11. This series backports some generic improvements > to simplify the backport in the last four patches. Did a quick read through, didn't see anything obviously broken. Thanks Paolo!
The new MMU for two-dimensional paging had some missing TLB flushes in 5.10 and 5.11. This series backports some generic improvements to simplify the backport in the last four patches. Ben Gardon (5): KVM: x86/mmu: change TDP MMU yield function returns to match cond_resched KVM: x86/mmu: Merge flush and non-flush tdp_mmu_iter_cond_resched KVM: x86/mmu: Rename goal_gfn to next_last_level_gfn KVM: x86/mmu: Ensure forward progress when yielding in TDP MMU iter KVM: x86/mmu: Yield in TDU MMU iter even if no SPTES changed Paolo Bonzini (1): KVM: x86/mmu: preserve pending TLB flush across calls to kvm_tdp_mmu_zap_sp Sean Christopherson (3): KVM: x86/mmu: Ensure TLBs are flushed when yielding during GFN range zap KVM: x86/mmu: Ensure TLBs are flushed for TDP MMU during NX zapping KVM: x86/mmu: Don't allow TDP MMU to yield when recovering NX pages arch/x86/kvm/mmu/mmu.c | 13 ++--- arch/x86/kvm/mmu/tdp_iter.c | 30 +++-------- arch/x86/kvm/mmu/tdp_iter.h | 11 +++-- arch/x86/kvm/mmu/tdp_mmu.c | 99 ++++++++++++++++++++++++------------- arch/x86/kvm/mmu/tdp_mmu.h | 18 ++++++- 5 files changed, 103 insertions(+), 68 deletions(-)