Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management

[PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 01/28] KVM: Make support for kvm_arch_vcpu_async_ioctl() mandatory · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 02/28] KVM: Rename kvm_arch_vcpu_async_ioctl() to kvm_arch_vcpu_unlocked_ioctl() · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 03/28] KVM: TDX: Drop PROVE_MMU=y sanity check on to-be-populated mappings · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 04/28] KVM: x86/mmu: Add dedicated API to map guest_memfd pfn into TDP MMU · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 04/28] KVM: x86/mmu: Add dedicated API to map guest_memfd pfn into TDP MMU · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 05/28] KVM: x86/mmu: WARN if KVM attempts to map into an invalid TDP MMU root · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 05/28] KVM: x86/mmu: WARN if KVM attempts to map into an invalid TDP MMU root · Huang, Kai <hidden> · 2025-10-30
[PATCH v4 06/28] Revert "KVM: x86/tdp_mmu: Add a helper function to walk down the TDP MMU" · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 07/28] KVM: x86/mmu: Rename kvm_tdp_map_page() to kvm_tdp_page_prefault() · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management · Yan Zhao <hidden> · 2025-10-31
Re: [PATCH v4 08/28] KVM: TDX: Drop superfluous page pinning in S-EPT management · Sean Christopherson <seanjc@google.com> · 2025-10-31
[PATCH v4 09/28] KVM: TDX: Return -EIO, not -EINVAL, on a KVM_BUG_ON() condition · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 09/28] KVM: TDX: Return -EIO, not -EINVAL, on a KVM_BUG_ON() condition · Huang, Kai <hidden> · 2025-10-30
[PATCH v4 10/28] KVM: TDX: Fold tdx_sept_drop_private_spte() into tdx_sept_remove_private_spte() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 10/28] KVM: TDX: Fold tdx_sept_drop_private_spte() into tdx_sept_remove_private_spte() · Yan Zhao <hidden> · 2025-10-31
[PATCH v4 11/28] KVM: x86/mmu: Drop the return code from kvm_x86_ops.remove_external_spte() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 11/28] KVM: x86/mmu: Drop the return code from kvm_x86_ops.remove_external_spte() · Huang, Kai <hidden> · 2025-10-30
[PATCH v4 12/28] KVM: TDX: WARN if mirror SPTE doesn't have full RWX when creating S-EPT mapping · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 12/28] KVM: TDX: WARN if mirror SPTE doesn't have full RWX when creating S-EPT mapping · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 12/28] KVM: TDX: WARN if mirror SPTE doesn't have full RWX when creating S-EPT mapping · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 12/28] KVM: TDX: WARN if mirror SPTE doesn't have full RWX when creating S-EPT mapping · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 12/28] KVM: TDX: WARN if mirror SPTE doesn't have full RWX when creating S-EPT mapping · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 13/28] KVM: TDX: Avoid a double-KVM_BUG_ON() in tdx_sept_zap_private_spte() · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 14/28] KVM: TDX: Use atomic64_dec_return() instead of a poor equivalent · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 15/28] KVM: TDX: Fold tdx_mem_page_record_premap_cnt() into its sole caller · Sean Christopherson <seanjc@google.com> · 2025-10-30
[PATCH v4 16/28] KVM: TDX: ADD pages to the TD image while populating mirror EPT entries · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 16/28] KVM: TDX: ADD pages to the TD image while populating mirror EPT entries · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 17/28] KVM: TDX: Fold tdx_sept_zap_private_spte() into tdx_sept_remove_private_spte() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 17/28] KVM: TDX: Fold tdx_sept_zap_private_spte() into tdx_sept_remove_private_spte() · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 18/28] KVM: TDX: Combine KVM_BUG_ON + pr_tdx_error() into TDX_BUG_ON() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 18/28] KVM: TDX: Combine KVM_BUG_ON + pr_tdx_error() into TDX_BUG_ON() · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 18/28] KVM: TDX: Combine KVM_BUG_ON + pr_tdx_error() into TDX_BUG_ON() · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 19/28] KVM: TDX: Derive error argument names from the local variable names · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 19/28] KVM: TDX: Derive error argument names from the local variable names · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 20/28] KVM: TDX: Assert that mmu_lock is held for write when removing S-EPT entries · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 20/28] KVM: TDX: Assert that mmu_lock is held for write when removing S-EPT entries · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 20/28] KVM: TDX: Assert that mmu_lock is held for write when removing S-EPT entries · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 21/28] KVM: TDX: Add macro to retry SEAMCALLs when forcing vCPUs out of guest · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 21/28] KVM: TDX: Add macro to retry SEAMCALLs when forcing vCPUs out of guest · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 21/28] KVM: TDX: Add macro to retry SEAMCALLs when forcing vCPUs out of guest · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 22/28] KVM: TDX: Add tdx_get_cmd() helper to get and validate sub-ioctl command · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 22/28] KVM: TDX: Add tdx_get_cmd() helper to get and validate sub-ioctl command · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 23/28] KVM: TDX: Convert INIT_MEM_REGION and INIT_VCPU to "unlocked" vCPU ioctl · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 23/28] KVM: TDX: Convert INIT_MEM_REGION and INIT_VCPU to "unlocked" vCPU ioctl · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 24/28] KVM: TDX: Use guard() to acquire kvm->lock in tdx_vm_ioctl() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 24/28] KVM: TDX: Use guard() to acquire kvm->lock in tdx_vm_ioctl() · Binbin Wu <hidden> · 2025-10-31
[PATCH v4 25/28] KVM: TDX: Don't copy "cmd" back to userspace for KVM_TDX_CAPABILITIES · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 25/28] KVM: TDX: Don't copy "cmd" back to userspace for KVM_TDX_CAPABILITIES · Huang, Kai <hidden> · 2025-10-30
[PATCH v4 26/28] KVM: TDX: Guard VM state transitions with "all" the locks · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 26/28] KVM: TDX: Guard VM state transitions with "all" the locks · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 26/28] KVM: TDX: Guard VM state transitions with "all" the locks · Yan Zhao <hidden> · 2025-10-31
Re: [PATCH v4 26/28] KVM: TDX: Guard VM state transitions with "all" the locks · Sean Christopherson <seanjc@google.com> · 2025-10-31
Re: [PATCH v4 26/28] KVM: TDX: Guard VM state transitions with "all" the locks · Yan Zhao <hidden> · 2025-11-03
[PATCH v4 27/28] KVM: TDX: Bug the VM if extending the initial measurement fails · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 27/28] KVM: TDX: Bug the VM if extending the initial measurement fails · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 27/28] KVM: TDX: Bug the VM if extending the initial measurement fails · Binbin Wu <hidden> · 2025-11-04
Re: [PATCH v4 27/28] KVM: TDX: Bug the VM if extending the initial measurement fails · Sean Christopherson <seanjc@google.com> · 2025-11-04
[PATCH v4 28/28] KVM: TDX: Fix list_add corruption during vcpu_load() · Sean Christopherson <seanjc@google.com> · 2025-10-30
Re: [PATCH v4 28/28] KVM: TDX: Fix list_add corruption during vcpu_load() · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · Huang, Kai <hidden> · 2025-10-30
Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · Yan Zhao <hidden> · 2025-10-31
Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · "Edgecombe, Rick P" <rick.p.edgecombe@intel.com> · 2025-10-31
Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · Sean Christopherson <seanjc@google.com> · 2025-11-04
Re: [PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups · Sean Christopherson <seanjc@google.com> · 2025-11-10

From: Yan Zhao <hidden>
Date: 2025-10-31 08:30:49
Also in: kvm, kvm-riscv, kvmarm, linux-arm-kernel, linux-coco, linux-mips, linux-riscv, lkml, loongarch

  - Increasing the folio reference count only upon S-EPT zapping failure[5].

Nit: There's a warning:

WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?)

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