Re: [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault
From: Kai Huang <kai.huang@xxxxxxxxx>
Date: Wed, 13 Jul 2022 22:29:51 +1200
Cc: isaku.yamahata@xxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
In-reply-to: <20220713083515.GQ1379820@ls.amr.corp.intel.com>
References: <cover.1656366337.git.isaku.yamahata@intel.com> <71e4c19d1dff8135792e6c5a17d3a483bc99875b.1656366338.git.isaku.yamahata@intel.com> <cfeb3b8b02646b073d5355495ec8842ac33aeae5.camel@intel.com> <20220713083515.GQ1379820@ls.amr.corp.intel.com>
User-agent: Evolution 3.44.3 (3.44.3-1.fc36)

> 
> Although it was needed, I noticed the following commit made this patch
> unnecessary.  So I'll drop this patch. Kudos to Sean.
> 
> edea7c4fc215c7ee1cc98363b016ad505cbac9f7
> "KVM: x86/mmu: Use a dedicated bit to track shadow/MMU-present SPTEs"
> 

Yes is_shadow_present_pte() always return false for MMIO so this patch isn't
needed anymore.

References:
- [PATCH v7 000/102] KVM TDX basic feature support
  - From: isaku . yamahata
- [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault
  - From: isaku . yamahata
- Re: [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault
  - From: Kai Huang
- Re: [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault
  - From: Isaku Yamahata

Prev by Date: Re: [PATCH v7 04/14] mm/shmem: Support memfile_notifier
Next by Date: Re: [PATCH v7 00/14] KVM: mm: fd-based approach for supporting KVM guest private memory
Previous by thread: Re: [PATCH v7 035/102] KVM: x86/mmu: Explicitly check for MMIO spte in fast page fault
Next by thread: [PATCH v7 081/102] KVM: VMX: Move NMI/exception handler to common helper
Index(es):
- Date
- Thread

[Index of Archives] [KVM ARM] [KVM ia64] [KVM ppc] [Virtualization Tools] [Spice Development] [Libvirt] [Libvirt Users] [Linux USB Devel] [Linux Audio Users] [Yosemite Questions] [Linux Kernel] [Linux SCSI] [XFree86]