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d="scan'208";a="107430135" Received: from linux.bj.intel.com ([10.238.157.71]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2025 17:26:09 -0800 Date: Wed, 22 Jan 2025 09:21:14 +0800 From: Tao Su To: Zhao Liu Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, imammedo@redhat.com, xiaoyao.li@intel.com, zhao1.liu@linux.intel.com, xuelian.guo@intel.com Subject: Re: [PATCH 4/4] docs: Add GNR, SRF and CWF CPU models Message-ID: References: <20250121020650.1899618-1-tao1.su@linux.intel.com> <20250121020650.1899618-5-tao1.su@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Received-SPF: none client-ip=192.198.163.13; envelope-from=tao1.su@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: -72 X-Spam_score: -7.3 X-Spam_bar: ------- X-Spam_report: (-7.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, Jan 21, 2025 at 09:31:25PM +0800, Zhao Liu wrote: > On Tue, Jan 21, 2025 at 10:06:50AM +0800, Tao Su wrote: > > Date: Tue, 21 Jan 2025 10:06:50 +0800 > > From: Tao Su > > Subject: [PATCH 4/4] docs: Add GNR, SRF and CWF CPU models > > X-Mailer: git-send-email 2.34.1 > > > > Update GraniteRapids, SierraForest and ClearwaterForest CPU models in > > section "Preferred CPU models for Intel x86 hosts". > > > > Also introduce bhi-no, gds-no and rfds-no in doc. > > > > Suggested-by: Zhao Liu > > Signed-off-by: Tao Su > > --- > > docs/system/cpu-models-x86.rst.inc | 42 ++++++++++++++++++++++++++++++ > > 1 file changed, 42 insertions(+) > > [snip] > > > +``bhi-no`` > > + Recommended to inform that the guest that the host is ``not`` > > s/inform that the guest/inform the guest/ > > > + vulnerable to CVE-2022-0001, Branch History Injection (BHI). > > + > > + This too is an MSR feature, so it does not show up in the Linux > > s/This too is an/This is also an/ > > > + ``/proc/cpuinfo`` in the host or guest. > > + > > + It should only be enabled for VMs if the host reports > > + ``BHI: Not affected`` in the > > + ``/sys/devices/system/cpu/vulnerabilities/spectre_v2`` file. > > + > > +``gds-no`` > > + Recommended to inform that the guest that the host is ``not`` > > + vulnerable to CVE-2022-40982, Gather Data Sampling (GDS). > > s/inform that the guest/inform the guest/ > > > + This too is an MSR feature, so it does not show up in the Linux > > + ``/proc/cpuinfo`` in the host or guest. > > s/This too is an/This is also an/ > > > + It should only be enabled for VMs if the host reports ``Not affected`` > > + in the ``/sys/devices/system/cpu/vulnerabilities/gather_data_sampling`` > > + file. > > + > > +``rfds-no`` > > + Recommended to inform that the guest that the host is ``not`` > > + vulnerable to CVE-2023-28746, Register File Data Sampling (RFDS). > > ditto. > > > + This too is an MSR feature, so it does not show up in the Linux > > + ``/proc/cpuinfo`` in the host or guest. > > ditto. > > > + It should only be enabled for VMs if the host reports ``Not affected`` > > + in the ``/sys/devices/system/cpu/vulnerabilities/reg_file_data_sampling`` > > + file. > > > > Preferred CPU models for AMD x86 hosts > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > Thanks very much! With nits fixed :-), > > Reviewed-by: Zhao Liu > > Thanks for the suggestion, the description is better with these changes. >