From: Maxim Levitsky <mlevitsk@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Lai Jiangshan <jiangshanlai@gmail.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Lai Jiangshan <laijs@linux.alibaba.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>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [RFC PATCH 2/6] KVM: X86: Walk shadow page starting with shadow_root_level
Date: Tue, 04 Jan 2022 22:43:14 +0200 [thread overview]
Message-ID: <a4fbf2ec33e7bbf81ea8c4750a5064ab67b94428.camel@redhat.com> (raw)
In-Reply-To: <c16e310f-8ae5-9c29-04c7-7355834ce803@redhat.com>
On Tue, 2022-01-04 at 21:37 +0100, Paolo Bonzini wrote:
> On 1/4/22 21:34, Sean Christopherson wrote:
> > On Fri, Dec 10, 2021, Lai Jiangshan wrote:
> > > From: Lai Jiangshan<laijs@linux.alibaba.com>
> > >
> > > Walking from the root page of the shadow page table should start with
> > > the level of the shadow page table: shadow_root_level.
> > >
> > > Also change a small defect in audit_mappings(), it is believed
> > > that the current walking level is more valuable to print.
> > >
> > > Signed-off-by: Lai Jiangshan<laijs@linux.alibaba.com>
> > > ---
> > > arch/x86/kvm/mmu/mmu_audit.c | 5 ++---
> >
> > I vote we remove mmu_audit.c. It has bitrotted horribly, and none of the
> > current set of KVM developers even knows how to use it effectively.
>
> No complaints.
I played with it once, its not that bad IMHO.
Best regards,
Maxim Levitsky
>
> Paolo
>
next prev parent reply other threads:[~2022-01-04 20:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 9:25 [RFC PATCH 0/6] KVM: X86: Add and use shadow page with level promoted or acting as pae_root Lai Jiangshan
2021-12-10 9:25 ` [RFC PATCH 1/6] KVM: X86: Check root_level only in fast_pgd_switch() Lai Jiangshan
2022-01-04 20:24 ` Sean Christopherson
2021-12-10 9:25 ` [RFC PATCH 2/6] KVM: X86: Walk shadow page starting with shadow_root_level Lai Jiangshan
2022-01-04 20:34 ` Sean Christopherson
2022-01-04 20:37 ` Paolo Bonzini
2022-01-04 20:43 ` Maxim Levitsky [this message]
2021-12-10 9:25 ` [RFC PATCH 3/6] KVM: X86: Add arguement gfn and role to kvm_mmu_alloc_page() Lai Jiangshan
2022-01-04 20:53 ` Sean Christopherson
2021-12-10 9:25 ` [RFC PATCH 4/6] KVM: X86: Introduce role.level_promoted Lai Jiangshan
2022-01-04 22:14 ` Sean Christopherson
2022-02-11 16:06 ` Paolo Bonzini
2021-12-10 9:25 ` [RFC PATCH 5/6] KVM: X86: Alloc pae_root shadow page Lai Jiangshan
2022-01-04 21:54 ` Sean Christopherson
2022-01-05 3:11 ` Lai Jiangshan
2022-01-05 16:45 ` Sean Christopherson
2022-01-06 2:01 ` Lai Jiangshan
2022-01-06 19:41 ` Sean Christopherson
2022-01-07 4:36 ` Lai Jiangshan
2021-12-10 9:25 ` [RFC PATCH 6/6] KVM: X86: Use level_promoted and pae_root shadow page for 32bit guests Lai Jiangshan
2022-01-04 20:55 ` Sean Christopherson
2021-12-10 10:27 ` [RFC PATCH 0/6] KVM: X86: Add and use shadow page with level promoted or acting as pae_root Maxim Levitsky
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