linux-kernel - Re: [PATCH v11 00/23] Enable CET Virtualization

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Message-ID: <88443d81-78ac-45ad-b359-b328b9db5829@intel.com>
Date: Mon, 7 Jul 2025 00:51:14 +0800
From: Xiaoyao Li <xiaoyao.li@...el.com>
To: Chao Gao <chao.gao@...el.com>, kvm@...r.kernel.org,
 linux-kernel@...r.kernel.org, x86@...nel.org, seanjc@...gle.com,
 pbonzini@...hat.com, dave.hansen@...el.com
Cc: rick.p.edgecombe@...el.com, mlevitsk@...hat.com, john.allen@....com,
 weijiang.yang@...el.com, minipli@...ecurity.net, xin@...or.com,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
 Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v11 00/23] Enable CET Virtualization

Hi Chao,

On 7/4/2025 4:49 PM, Chao Gao wrote:
> Tests:
> ======================
> This series passed basic CET user shadow stack test and kernel IBT test in L1
> and L2 guest.
> The patch series_has_ impact to existing vmx test cases in KVM-unit-tests,the
> failures have been fixed here[1].
> One new selftest app[2] is introduced for testing CET MSRs accessibilities.
> 
> Note, this series hasn't been tested on AMD platform yet.
> 
> To run user SHSTK test and kernel IBT test in guest, an CET capable platform
> is required, e.g., Sapphire Rapids server, and follow below steps to build
> the binaries:
> 
> 1. Host kernel: Apply this series to mainline kernel (>= v6.6) and build.
> 
> 2. Guest kernel: Pull kernel (>= v6.6), opt-in CONFIG_X86_KERNEL_IBT
> and CONFIG_X86_USER_SHADOW_STACK options. Build with CET enabled gcc versions
> (>= 8.5.0).
> 
> 3. Apply CET QEMU patches[3] before build mainline QEMU.

You forgot to provide the links of [1][2][3].