From: Isaku Yamahata <isaku.yamahata@intel.com>
To: "Yin, Fengwei" <fengwei.yin@intel.com>
Cc: isaku.yamahata@intel.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, isaku.yamahata@gmail.com,
Paolo Bonzini <pbonzini@redhat.com>,
erdemaktas@google.com, Sean Christopherson <seanjc@google.com>,
Sagi Shahar <sagis@google.com>, Kai Huang <kai.huang@intel.com>,
chen.bo@intel.com, hang.yuan@intel.com, tina.zhang@intel.com,
"Li, Xiaoyao" <xiaoyao.li@intel.com>,
isaku.yamahata@linux.intel.com
Subject: Re: [PATCH v8 00/14] KVM TDX: TDP MMU: large page support
Date: Tue, 26 Mar 2024 21:15:19 -0700 [thread overview]
Message-ID: <20240327041519.GD2444378@ls.amr.corp.intel.com> (raw)
In-Reply-To: <8f7735aa-517f-4bb3-8e33-d58a27c2a822@intel.com>
On Wed, Mar 27, 2024 at 08:53:50AM +0800,
"Yin, Fengwei" <fengwei.yin@intel.com> wrote:
> Hi Isaku,
>
> On 2/26/2024 4:29 PM, isaku.yamahata@intel.com wrote:
> > From: Isaku Yamahata <isaku.yamahata@intel.com>
> >
> > This patch series is based on "v19 KVM TDX: basic feature support". It
> > implements large page support for TDP MMU by allowing populating of the large
> > page and splitting it when necessary.
> To test the hugepage for TDX guest, we need to apply Qemu patch
> from Xiaoyao:
> https://lore.kernel.org/qemu-devel/20231115071519.2864957-4-xiaoyao.li@intel.com/
>
> According to Xiaoyao, it's still under discussion. So he didn't
> send updated version patch. For folks want to try this series,
> it may be better to mention above link in this cover letter?
Makes sense. Let me include it from the next versions.
> Test in my side showed several benchmarks got 10+% performance
> gain which is really nice. So:
So nice.
> Tested-by: Yin Fengwei <fengwei.yin@intel.com>
Thanks,
--
Isaku Yamahata <isaku.yamahata@intel.com>
prev parent reply other threads:[~2024-03-27 4:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 8:29 [PATCH v8 00/14] KVM TDX: TDP MMU: large page support isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 01/14] KVM: Add transparent hugepage support for dedicated guest memory isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 02/14] KVM: TDX: Flush cache based on page size before TDX SEAMCALL isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 03/14] KVM: TDX: Pass KVM page level to tdh_mem_page_aug() isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 04/14] KVM: TDX: Pass size to reclaim_page() isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 05/14] KVM: TDX: Update tdx_sept_{set,drop}_private_spte() to support large page isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 06/14] KVM: MMU: Introduce level info in PFERR code isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 07/14] KVM: TDX: Pass desired page level in err code for page fault handler isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 08/14] KVM: x86/tdp_mmu: Allocate private page table for large page split isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 09/14] KVM: x86/tdp_mmu: Split the large page when zap leaf isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 10/14] KVM: x86/tdp_mmu, TDX: Split a large page when 4KB page within it converted to shared isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 11/14] KVM: x86/tdp_mmu: Try to merge pages into a large page isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 12/14] KVM: TDX: Implement " isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 13/14] KVM: x86/mmu: Make kvm fault handler aware of large page of private memslot isaku.yamahata
2024-02-26 8:29 ` [PATCH v8 14/14] KVM: TDX: Allow 2MB large page for TD GUEST isaku.yamahata
2024-03-27 0:53 ` [PATCH v8 00/14] KVM TDX: TDP MMU: large page support Yin, Fengwei
2024-03-27 4:15 ` Isaku Yamahata [this message]
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