linux-kernel - Re: [PATCH 0/7] kvm: x86/mmu: Share the same code to invalidate each vTLB entry

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Date:   Thu, 19 Jan 2023 08:53:16 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: Re: [PATCH 0/7] kvm: x86/mmu: Share the same code to invalidate each
 vTLB entry

On Thu, Jan 5, 2023 at 5:57 PM Lai Jiangshan <jiangshanlai@...il.com> 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.
>
> Lai Jiangshan (7):
>   kvm: x86/mmu: Use KVM_MMU_ROOT_XXX for kvm_mmu_invalidate_gva()
>   kvm: x86/mmu: Use kvm_mmu_invalidate_gva() in kvm_mmu_invpcid_gva()
>   kvm: x86/mmu: Use kvm_mmu_invalidate_gva() in
>     nested_ept_invalidate_addr()
>   kvm: x86/mmu: Reduce the update to the spte in FNAME(sync_page)
>   kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into
>     mmu.c
>   kvm: x86/mmu: Remove FNAME(invlpg)
>   kvm: x86/mmu: Remove @no_dirty_log from FNAME(prefetch_gpte)
>
>  arch/x86/include/asm/kvm_host.h |   7 +-
>  arch/x86/kvm/mmu/mmu.c          | 177 +++++++++++++++++----------
>  arch/x86/kvm/mmu/paging_tmpl.h  | 207 ++++++++------------------------
>  arch/x86/kvm/vmx/nested.c       |   5 +-
>  arch/x86/kvm/x86.c              |   2 +-
>  5 files changed, 176 insertions(+), 222 deletions(-)
>
> --
> 2.19.1.6.gb485710b
>

Hello

Ping.

Cheers,
Lai