From: Isaku Yamahata <isaku.yamahata@intel.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Isaku Yamahata <isaku.yamahata@intel.com>,
kvm@vger.kernel.org, pbonzini@redhat.com,
Sean Christopherson <seanjc@google.com>,
chao.gao@intel.com, rick.p.edgecombe@intel.com,
yan.y.zhao@intel.com, linux-kernel@vger.kernel.org,
isaku.yamahata@gmail.com, Nikunj A Dadhania <nikunj@amd.com>
Subject: Re: [PATCH 0/2] KVM: kvm-coco-queue: Support protected TSC
Date: Thu, 13 Mar 2025 17:43:11 -0700 [thread overview]
Message-ID: <Z9N7n903V6Xz/gKj@ls.amr.corp.intel.com> (raw)
In-Reply-To: <Z9DfurM5LwR5fwX4@tpad>
On Tue, Mar 11, 2025 at 10:13:30PM -0300,
Marcelo Tosatti <mtosatti@redhat.com> wrote:
> On Sat, Oct 12, 2024 at 12:55:54AM -0700, Isaku Yamahata wrote:
> > This patch series is for the kvm-coco-queue branch. The change for TDX KVM is
> > included at the last. The test is done by create TDX vCPU and run, get TSC
> > offset via vCPU device attributes and compare it with the TDX TSC OFFSET
> > metadata. Because the test requires the TDX KVM and TDX KVM kselftests, don't
> > include it in this patch series.
>
> OK, previous results were incorrect. In fact, this patches (which apply
> cleanly to current kvm-coco-queue) reduce cyclictest latency from:
Thank you for evaluating it. Does your guest include [1] (or similar fix)?
The patch would affect the result much.
[1] https://lore.kernel.org/lkml/20250228014416.3925664-1-vannapurve@google.com/
--
Isaku Yamahata <isaku.yamahata@intel.com>
next prev parent reply other threads:[~2025-03-14 14:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-12 7:55 Isaku Yamahata
2024-10-12 7:55 ` [PATCH 1/2] KVM: x86: Push down setting vcpu.arch.user_set_tsc Isaku Yamahata
2024-10-12 7:55 ` [PATCH 2/2] KVM: x86: Don't allow tsc_offset, tsc_scaling_ratio to change Isaku Yamahata
2024-10-14 15:48 ` Edgecombe, Rick P
2024-11-21 23:50 ` Isaku Yamahata
2025-03-12 12:24 ` Paolo Bonzini
2025-03-14 0:39 ` Isaku Yamahata
2024-10-14 14:47 ` [PATCH 0/2] KVM: kvm-coco-queue: Support protected TSC Nikunj A. Dadhania
2024-10-25 16:24 ` Marcelo Tosatti
2024-10-27 14:06 ` Xiaoyao Li
2024-10-28 16:42 ` Marcelo Tosatti
2024-10-29 4:04 ` Nikunj A. Dadhania
2024-10-29 13:44 ` Marcelo Tosatti
2024-10-28 12:48 ` Nikunj A. Dadhania
2024-11-21 23:32 ` Isaku Yamahata
2025-03-12 1:13 ` Marcelo Tosatti
2025-03-14 0:43 ` Isaku Yamahata [this message]
2025-03-12 12:22 ` Paolo Bonzini
2025-03-12 13:07 ` Nikunj A. Dadhania
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