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From: Maxim Levitsky <mlevitsk@redhat.com>
To: Lai Jiangshan <jiangshanlai@gmail.com>, linux-kernel@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Lai Jiangshan <laijs@linux.alibaba.com>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH 4/7] KVM: X86: Remove FNAME(update_pte)
Date: Mon, 13 Sep 2021 12:49:48 +0300 [thread overview]
Message-ID: <8cac80a9aa0bcb2a636d9ee0ac633f6215843677.camel@redhat.com> (raw)
In-Reply-To: <20210824075524.3354-5-jiangshanlai@gmail.com>
On Tue, 2021-08-24 at 15:55 +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@linux.alibaba.com>
>
> Its solo caller is changed to use FNAME(prefetch_gpte) directly.
>
> Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
> ---
> arch/x86/kvm/mmu/paging_tmpl.h | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
> index 48c7fe1b2d50..6b2e248f2f4c 100644
> --- a/arch/x86/kvm/mmu/paging_tmpl.h
> +++ b/arch/x86/kvm/mmu/paging_tmpl.h
> @@ -589,14 +589,6 @@ FNAME(prefetch_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
> return true;
> }
>
> -static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
> - u64 *spte, const void *pte)
> -{
> - pt_element_t gpte = *(const pt_element_t *)pte;
> -
> - FNAME(prefetch_gpte)(vcpu, sp, spte, gpte, false);
> -}
> -
> static bool FNAME(gpte_changed)(struct kvm_vcpu *vcpu,
> struct guest_walker *gw, int level)
> {
> @@ -998,7 +990,7 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva, hpa_t root_hpa)
> sizeof(pt_element_t)))
> break;
>
> - FNAME(update_pte)(vcpu, sp, sptep, &gpte);
> + FNAME(prefetch_gpte)(vcpu, sp, sptep, gpte, false);
> }
>
> if (!is_shadow_present_pte(*sptep) || !sp->unsync_children)
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2021-09-13 9:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 7:55 [PATCH 0/7] KVM: X86: MMU: misc fixes and cleanups Lai Jiangshan
2021-08-24 7:55 ` [PATCH 1/7] KVM: X86: Fix missed remote tlb flush in rmap_write_protect() Lai Jiangshan
2021-09-02 21:38 ` Sean Christopherson
2021-09-13 9:57 ` Maxim Levitsky
2021-08-24 7:55 ` [PATCH 2/7] KVM: X86: Synchronize the shadow pagetable before link it Lai Jiangshan
2021-09-02 23:40 ` Sean Christopherson
2021-09-02 23:54 ` Sean Christopherson
2021-09-03 0:44 ` Lai Jiangshan
2021-09-03 16:06 ` Sean Christopherson
2021-09-03 16:25 ` Lai Jiangshan
2021-09-03 16:40 ` Sean Christopherson
2021-09-03 17:00 ` Lai Jiangshan
2021-09-03 16:33 ` Lai Jiangshan
2021-09-03 0:51 ` Lai Jiangshan
2021-09-13 11:30 ` Maxim Levitsky
2021-09-13 20:49 ` Sean Christopherson
2021-09-13 22:31 ` Maxim Levitsky
2021-08-24 7:55 ` [PATCH 3/7] KVM: X86: Zap the invalid list after remote tlb flushing Lai Jiangshan
2021-09-02 21:54 ` Sean Christopherson
2021-08-24 7:55 ` [PATCH 4/7] KVM: X86: Remove FNAME(update_pte) Lai Jiangshan
2021-09-13 9:49 ` Maxim Levitsky [this message]
2021-08-24 7:55 ` [PATCH 5/7] KVM: X86: Don't unsync pagetables when speculative Lai Jiangshan
2021-09-13 11:02 ` Maxim Levitsky
2021-09-18 3:06 ` Lai Jiangshan
2021-08-24 7:55 ` [PATCH 6/7] KVM: X86: Don't check unsync if the original spte is writible Lai Jiangshan
2021-08-24 7:55 ` [PATCH 7/7] KVM: X86: Also prefetch the last range in __direct_pte_prefetch() Lai Jiangshan
2021-08-25 15:18 ` Sean Christopherson
2021-08-25 22:58 ` Lai Jiangshan
2021-08-31 18:02 ` [PATCH 0/7] KVM: X86: MMU: misc fixes and cleanups Lai Jiangshan
2021-08-31 21:57 ` Sean Christopherson
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