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From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "Li, Xiaoyao" <xiaoyao.li@intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"binbin.wu@linux.intel.com" <binbin.wu@linux.intel.com>
Cc: "kas@kernel.org" <kas@kernel.org>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"nik.borisov@suse.com" <nik.borisov@suse.com>,
	"seanjc@google.com" <seanjc@google.com>,
	"Gao, Chao" <chao.gao@intel.com>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v3 1/4] KVM: TDX: Track configurable CPUID bits allowed by KVM
Date: Tue, 8 Sep 2026 21:15:40 +0000	[thread overview]
Message-ID: <294cd7315f729f3c9c35c1d5de111e6b3149b25f.camel@intel.com> (raw)
In-Reply-To: <6b565572-b316-4e86-906d-f150c896fe21@intel.com>

On Wed, 2026-09-02 at 23:09 +0800, Xiaoyao Li wrote:
> yeah. This changes KVM's behavior and we definitely need to call it out,
> and provide justification.

Agreed. We need to call out clearly the uABI changes. But we don't need to be
paranoid if there is a path to fix it if we get it wrong.

  parent reply	other threads:[~2026-09-08 21:15 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-27  3:18 [PATCH v3 0/4] KVM: TDX: Validate directly configurable CPUID bits Binbin Wu
2026-08-27  3:18 ` [PATCH v3 1/4] KVM: TDX: Track configurable CPUID bits allowed by KVM Binbin Wu
2026-09-01  6:29   ` Tony Lindgren
2026-09-01  8:23     ` Binbin Wu
2026-09-01  8:27       ` Tony Lindgren
2026-09-01 14:35   ` Xiaoyao Li
2026-09-02  0:33     ` Binbin Wu
2026-09-02 15:09       ` Xiaoyao Li
2026-09-02 16:19         ` Binbin Wu
2026-09-02 16:22           ` Edgecombe, Rick P
2026-09-02 16:25             ` Binbin Wu
2026-09-03  7:28           ` Xiaoyao Li
2026-09-03  8:57             ` Binbin Wu
2026-09-08 21:13             ` Edgecombe, Rick P
2026-09-09 16:39               ` Xiaoyao Li
2026-09-09 22:29                 ` Sean Christopherson
2026-09-09 23:18                   ` Edgecombe, Rick P
2026-09-10  2:39                     ` Binbin Wu
2026-09-10  2:53                     ` Xiaoyao Li
2026-09-08 21:15         ` Edgecombe, Rick P [this message]
2026-08-27  3:18 ` [PATCH v3 2/4] KVM: TDX: Report CORE_CAPABILITIES as configurable Binbin Wu
2026-09-01  6:45   ` Tony Lindgren
2026-09-02 17:43   ` Kishen Maloor
2026-09-03  2:22     ` Binbin Wu
2026-09-03  6:10       ` Kishen Maloor
2026-09-03  8:12         ` Binbin Wu
2026-08-27  3:18 ` [PATCH v3 3/4] KVM: TDX: Filter configurable CPUID bits Binbin Wu
2026-09-01  6:44   ` Tony Lindgren
2026-09-01  8:42     ` Binbin Wu
2026-09-01  9:09       ` Tony Lindgren
2026-09-03  8:04   ` Xiaoyao Li
2026-09-03  8:23     ` Binbin Wu
2026-08-27  3:18 ` [PATCH v3 4/4] KVM: TDX: Validate userspace CPUID input for KVM_TDX_INIT_VM Binbin Wu
2026-08-27  3:24   ` sashiko-bot
2026-08-27  7:25     ` Binbin Wu
2026-09-01  6:47   ` Tony Lindgren
2026-08-27 19:33 ` [PATCH v3 0/4] KVM: TDX: Validate directly configurable CPUID bits Edgecombe, Rick P
2026-08-28  3:19   ` Binbin Wu
2026-08-28 16:58     ` Edgecombe, Rick P
2026-08-31  5:01       ` Binbin Wu
2026-09-01  9:42         ` Xiaoyao Li
2026-09-01 10:21           ` Xiaoyao Li
2026-09-02 16:09           ` Edgecombe, Rick P
2026-09-02 16:21             ` Binbin Wu
2026-09-09  1:46             ` Binbin Wu
2026-09-01  9:38     ` Xiaoyao Li
2026-09-01 17:41       ` Edgecombe, Rick P
2026-09-02 10:29         ` Xiaoyao Li
2026-09-02 13:13           ` Edgecombe, Rick P
2026-09-02 13:39             ` Xiaoyao Li
2026-09-02 13:53               ` Edgecombe, Rick P
2026-09-02 14:21                 ` Xiaoyao Li
2026-09-02 16:26             ` Binbin Wu
2026-09-08  9:42 ` Artem Bityutskiy
2026-09-09  0:04   ` Binbin Wu
2026-09-08 20:30 ` Artem Bityutskiy
2026-09-08 22:31   ` Edgecombe, Rick P
2026-09-09  6:52     ` Artem Bityutskiy
2026-09-09  8:48       ` Binbin Wu
2026-09-09 11:20         ` Artem Bityutskiy
2026-09-10  2:54           ` Binbin Wu
2026-09-08 23:54   ` Binbin Wu
2026-09-09  5:37     ` Binbin Wu

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