linux-kernel - Re: [PATCH V3 00/14] kvm: x86/mmu: Share the same code to invalidate each vTLB entry

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Date:   Thu, 23 Mar 2023 15:50:32 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        linux-kernel@...r.kernel.org,
        Lai Jiangshan <jiangshanlai@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: Re: [PATCH V3 00/14] kvm: x86/mmu: Share the same code to invalidate
 each vTLB entry

On Thu, 16 Feb 2023 23:41:06 +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@...group.com>
> 
> FNAME(invlpg) and FNAME(sync_page) invalidate vTLB entries but in
> slightly different methods.
> 
> Make them use the same method and share the same code.
> 
> [...]

Applied to kvm-x86 mmu, thanks!  Made a few tweaks, I'll respond to invididual
patches (if I haven't already; and if I forget, I apologize in advance).

[01/14] KVM: x86/mmu: Use 64-bit address to invalidate to fix a subtle bug
        https://github.com/kvm-x86/linux/commit/753b43c9d1b7
[02/14] kvm: x86/mmu: Move the check in FNAME(sync_page) as kvm_sync_page_check()
        https://github.com/kvm-x86/linux/commit/90e444702a7c
[03/14] kvm: x86/mmu: Check mmu->sync_page pointer in kvm_sync_page_check()
        https://github.com/kvm-x86/linux/commit/51dddf6c49b9
[04/14] kvm: x86/mmu: Set mmu->sync_page as NULL for direct paging
        https://github.com/kvm-x86/linux/commit/8ef228c20cae
[05/14] kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c
        https://github.com/kvm-x86/linux/commit/c3c6c9fc5d24
[06/14] kvm: x86/mmu: Reduce the update to the spte in FNAME(sync_spte)
        https://github.com/kvm-x86/linux/commit/e6722d9211b2
[07/14] KVM: x86/mmu: Sanity check input to kvm_mmu_free_roots()
        https://github.com/kvm-x86/linux/commit/f94db0c8b9fa
[08/14] kvm: x86/mmu: Use KVM_MMU_ROOT_XXX for kvm_mmu_invalidate_addr()
        https://github.com/kvm-x86/linux/commit/cd42853e9530
[09/14] kvm: x86/mmu: Use kvm_mmu_invalidate_addr() in kvm_mmu_invpcid_gva()
        https://github.com/kvm-x86/linux/commit/9ebc3f51da6f
[10/14] kvm: x86/mmu: Use kvm_mmu_invalidate_addr() in nested_ept_invalidate_addr()
        https://github.com/kvm-x86/linux/commit/2c86c444e275
[11/14] kvm: x86/mmu: Allow the roots to be invalid in FNAME(invlpg)
        https://github.com/kvm-x86/linux/commit/ed335278bd12
[12/14] kvm: x86/mmu: Remove FNAME(invlpg) and use FNAME(sync_spte) to update vTLB instead.
        https://github.com/kvm-x86/linux/commit/9fd4a4e3a3d9
[13/14] kvm: x86/mmu: Remove @no_dirty_log from FNAME(prefetch_gpte)
        https://github.com/kvm-x86/linux/commit/91ca7672dc73
[14/14] kvm: x86/mmu: Skip calling mmu->sync_spte() when the spte is 0
        https://github.com/kvm-x86/linux/commit/19ace7d6ca15

--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes