From: Xin Li <xin@zytor.com>
To: Sean Christopherson <seanjc@google.com>
Cc: pbonzini@redhat.com, kvm@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
hpa@zytor.com, andrew.cooper3@citrix.com, luto@kernel.org,
peterz@infradead.org, chao.gao@intel.com, xin3.li@intel.com
Subject: Re: [PATCH v4 00/19] Enable FRED with KVM VMX
Date: Tue, 24 Jun 2025 10:43:26 -0700 [thread overview]
Message-ID: <80ba45cf-2679-471b-ae3d-986697089b75@zytor.com> (raw)
In-Reply-To: <aFrbIgouGiZWf51O@google.com>
On 6/24/2025 10:06 AM, Sean Christopherson wrote:
> On Fri, Mar 28, 2025, Xin Li wrote:
>> Any chance we could merge FRED ahead of CET?
>
> Probably not? CET exists is publicly available CPUs. AFAIK, FRED does not.
Better not, as you said it creates extra effort because FRED does lean a
bit on CET.
I was a bit worried that CET would take longer time than expected...
> And CET is (/knock wood) hopefully pretty much ready? FWIW, I'd really like to
That is also my reading on CET.
> get both CET and FRED virtualization landed by 6.18, i.e. in time for the next
> LTS.
I love the plan!
FRED is my top priority. I’ll address all your comments, rebase onto
kvm-x86/next (you have not updated yet :) ), and send out v5 at an
appropriate time.
Thanks!
Xin
next prev parent reply other threads:[~2025-06-24 17:44 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-28 17:11 [PATCH v4 00/19] Enable FRED with KVM VMX Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 01/19] KVM: VMX: Add support for the secondary VM exit controls Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 02/19] KVM: VMX: Initialize VM entry/exit FRED controls in vmcs_config Xin Li (Intel)
2025-04-14 7:41 ` Chao Gao
2025-04-14 16:53 ` Xin Li
2025-03-28 17:11 ` [PATCH v4 03/19] KVM: VMX: Disable FRED if FRED consistency checks fail Xin Li (Intel)
2025-06-24 15:20 ` Sean Christopherson
2025-03-28 17:11 ` [PATCH v4 04/19] x86/cea: Export per CPU array 'cea_exception_stacks' for KVM to use Xin Li (Intel)
2025-04-10 8:53 ` Christoph Hellwig
2025-04-10 14:18 ` Dave Hansen
2025-04-11 16:16 ` Xin Li
2025-03-28 17:11 ` [PATCH v4 05/19] KVM: VMX: Initialize VMCS FRED fields Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 06/19] KVM: VMX: Set FRED MSR interception Xin Li (Intel)
2025-06-24 15:27 ` Sean Christopherson
2025-03-28 17:11 ` [PATCH v4 07/19] KVM: VMX: Save/restore guest FRED RSP0 Xin Li (Intel)
2025-06-24 15:44 ` Sean Christopherson
2025-03-28 17:11 ` [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore Xin Li (Intel)
2025-06-24 16:27 ` Sean Christopherson
2025-06-25 17:18 ` Xin Li
2025-06-26 17:22 ` Xin Li
2025-06-26 20:50 ` Sean Christopherson
2025-03-28 17:11 ` [PATCH v4 09/19] KVM: x86: Add a helper to detect if FRED is enabled for a vCPU Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 10/19] KVM: VMX: Virtualize FRED event_data Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 11/19] KVM: VMX: Virtualize FRED nested exception tracking Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 12/19] KVM: x86: Save/restore the nested flag of an exception Xin Li (Intel)
2025-03-28 17:11 ` [PATCH v4 13/19] KVM: x86: Mark CR4.FRED as not reserved Xin Li (Intel)
2025-03-28 17:12 ` [PATCH v4 14/19] KVM: VMX: Dump FRED context in dump_vmcs() Xin Li (Intel)
2025-06-24 16:32 ` Sean Christopherson
2025-06-25 17:38 ` Xin Li
2025-03-28 17:12 ` [PATCH v4 15/19] KVM: x86: Allow FRED/LKGS to be advertised to guests Xin Li (Intel)
2025-06-24 16:38 ` Sean Christopherson
2025-06-25 18:05 ` Xin Li
2025-06-25 18:29 ` Sean Christopherson
2025-03-28 17:12 ` [PATCH v4 16/19] KVM: nVMX: Add support for the secondary VM exit controls Xin Li (Intel)
2025-06-24 16:54 ` Sean Christopherson
2025-03-28 17:12 ` [PATCH v4 17/19] KVM: nVMX: Add FRED VMCS fields to nested VMX context management Xin Li (Intel)
2025-03-28 17:12 ` [PATCH v4 18/19] KVM: nVMX: Add VMCS FRED states checking Xin Li (Intel)
2025-03-28 17:12 ` [PATCH v4 19/19] KVM: nVMX: Allow VMX FRED controls Xin Li (Intel)
2025-03-28 17:25 ` [PATCH v4 00/19] Enable FRED with KVM VMX Xin Li
2025-06-24 17:06 ` Sean Christopherson
2025-06-24 17:43 ` Xin Li [this message]
2025-06-24 17:47 ` H. Peter Anvin
2025-06-24 18:02 ` Xin Li
2025-06-24 18:40 ` H. Peter Anvin
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