From: Chao Gao <chao.gao@intel.com>
To: Jim Mattson <jmattson@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>, <kvm@vger.kernel.org>,
<isaku.yamahata@gmail.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 00/36] KVM: VMX APIC timer virtualization support
Date: Wed, 29 Jul 2026 17:59:50 +0800 [thread overview]
Message-ID: <amnPFlSvI3k95uCV@intel.com> (raw)
In-Reply-To: <CALMp9eSKEMotL19H4WxZN5iVfUxnDScpW0TqGLAEGSitG4AAbw@mail.gmail.com>
On Tue, Jul 28, 2026 at 11:05:59PM -0700, Jim Mattson wrote:
>On Tue, Jul 28, 2026 at 6:35 PM Chao Gao <chao.gao@intel.com> wrote:
>>
>> Hi Sean, Jim,
>>
>> Any thoughts on the approach of reusing hv_timer for APIC timer
>> virtualization?
>
>Last I heard, APIC timer virtualization was only available on E-cores,
>with no P-core intercept on the roadmap.
It will be available on Coral Rapids as well, so it is relevant for
server.
next prev parent reply other threads:[~2026-07-29 10:00 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-05 17:43 [PATCH v2 00/36] KVM: VMX APIC timer virtualization support isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 01/36] KVM: VMX: Detect APIC timer virtualization bit isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 02/36] KVM: x86: Implement APIC virt timer helpers with callbacks isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 03/36] KVM: x86/lapic: Start/stop sw/hv timer on vCPU un/block isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 04/36] KVM: x86/lapic: Wire DEADLINE MSR update to guest virtual TSC deadline isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 05/36] KVM: x86/lapic: Add a trace point for guest virtual timer isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 06/36] KVM: VMX: Implement the hooks for VMX guest virtual deadline timer isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 07/36] KVM: VMX: Update APIC timer virtualization on apicv changed isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 08/36] KVM: nVMX: Disallow/allow guest APIC timer virtualization switch to/from L2 isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 09/36] KVM: nVMX: Pass struct msr_data to VMX MSRs emulation isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 10/36] KVM: nVMX: Supports VMX tertiary controls and GUEST_APIC_TIMER bit isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 11/36] KVM: nVMX: Add alignment check for struct vmcs12 isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 12/36] KVM: nVMX: Add tertiary VM-execution control VMCS support isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 13/36] KVM: nVMX: Update intercept on TSC deadline MSR isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 14/36] KVM: nVMX: Handle virtual timer vector VMCS field isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 15/36] KVM: VMX: Make vmx_calc_deadline_l1_to_host() non-static isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 16/36] KVM: nVMX: Enable guest deadline and its shadow VMCS field isaku.yamahata
2026-03-06 11:14 ` kernel test robot
2026-03-05 17:43 ` [PATCH v2 17/36] KVM: nVMX: Add VM entry checks related to APIC timer virtualization isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 18/36] KVM: nVMX: Add check vmread/vmwrite on tertiary control isaku.yamahata
2026-03-05 17:43 ` [PATCH v2 19/36] KVM: nVMX: Add check VMCS index for guest timer virtualization isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 20/36] KVM: VMX: Advertise tertiary controls to the user space isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 21/36] KVM: VMX: dump_vmcs() support the guest virt timer isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 22/36] KVM: VMX: Enable APIC timer virtualization isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 23/36] KVM: VMX: Introduce module parameter for APIC virt timer support isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 24/36] KVM: nVMX: Introduce module parameter for nested APIC timer virtualization isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 25/36] KVM: selftests: Add a test to measure local timer latency isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 26/36] KVM: selftests: Add nVMX support to timer_latency test case isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 27/36] KVM: selftests: Add test for nVMX MSR_IA32_VMX_PROCBASED_CTLS3 isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 28/36] KVM: selftests: Add test vmx_set_nested_state_test with EVMCS disabled isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 29/36] KVM: selftests: Add tests nested state of APIC timer virtualization isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 30/36] KVM: selftests: Add VMCS access test to " isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 31/36] KVM: selftests: Add serialize() helper and X86_FEATURE_SERIALIZE isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 32/36] KVM: selftests: Test cases for L1 APIC timer virtualization isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 33/36] KVM: selftests: Add tests for nVMX to vmx_apic_timer_virt isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 34/36] KVM: selftests: Add a global option to disable in-kernel irqchip isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 35/36] KVM: selftests: Test VMX apic timer virt with inkernel apic disable isaku.yamahata
2026-03-05 17:44 ` [PATCH v2 36/36] Documentation: KVM: x86: Update documentation of struct vmcs12 isaku.yamahata
2026-07-16 8:30 ` [PATCH v2 00/36] KVM: VMX APIC timer virtualization support Chao Gao
2026-07-29 1:34 ` Chao Gao
2026-07-29 6:05 ` Jim Mattson
2026-07-29 9:59 ` Chao Gao [this message]
2026-07-29 17:39 ` Jim Mattson
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