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([2a01:e0a:59e:9d80:527b:9dff:feef:3874]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38f25914d73sm13039169f8f.54.2025.02.17.09.45.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Feb 2025 09:45:55 -0800 (PST) Message-ID: <349acbc0-dfc2-4cb7-8d5e-21e48a4219e7@redhat.com> Date: Mon, 17 Feb 2025 18:45:52 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/3] docs/cpu-features: Consistently use vCPU instead of VCPU Content-Language: en-US To: Kashyap Chamarthy , qemu-devel@nongnu.org Cc: Ninad Palsule , sebott@redhat.com, maz@kernel.org, Andrew Jeffery , Alistair Francis , "Edgar E. Iglesias" , Tyrone Ting , Hao Wu , Zhenzhong Duan , =?UTF-8?Q?Alex_Benn=C3=A9e?= , Peter Maydell , =?UTF-8?Q?C=C3=A9dric_Le_Goater?= , Steven Lee , Troy Lee , Joel Stanley , Jamin Lin , Yi Liu , qemu-arm@nongnu.org, Alexandre Iooss References: <20250217163732.3718617-1-kchamart@redhat.com> <20250217163732.3718617-2-kchamart@redhat.com> From: Eric Auger In-Reply-To: <20250217163732.3718617-2-kchamart@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Reply-To: eric.auger@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 2/17/25 5:37 PM, Kashyap Chamarthy wrote: > Signed-off-by: Kashyap Chamarthy Reviewed-by: Eric Auger Eric > --- > docs/system/arm/cpu-features.rst | 20 ++++++++++---------- > 1 file changed, 10 insertions(+), 10 deletions(-) > > diff --git a/docs/system/arm/cpu-features.rst b/docs/system/arm/cpu-features.rst > index 37d5dfd15b..a596316384 100644 > --- a/docs/system/arm/cpu-features.rst > +++ b/docs/system/arm/cpu-features.rst > @@ -27,7 +27,7 @@ disabled, enables the optional AArch32 CPU feature, is only supported > when using the KVM accelerator and when running on a host CPU type that > supports the feature. While ``aarch64`` currently only works with KVM, > it could work with TCG. CPU features that are specific to KVM are > -prefixed with "kvm-" and are described in "KVM VCPU Features". > +prefixed with "kvm-" and are described in "KVM vCPU Features". > > CPU Feature Probing > =================== > @@ -167,22 +167,22 @@ disabling many SVE vector lengths would be quite verbose, the ``sve`` CPU > properties have special semantics (see "SVE CPU Property Parsing > Semantics"). > > -KVM VCPU Features > +KVM vCPU Features > ================= > > -KVM VCPU features are CPU features that are specific to KVM, such as > +KVM vCPU features are CPU features that are specific to KVM, such as > paravirt features or features that enable CPU virtualization extensions. > The features' CPU properties are only available when KVM is enabled and > -are named with the prefix "kvm-". KVM VCPU features may be probed, > +are named with the prefix "kvm-". KVM vCPU features may be probed, > enabled, and disabled in the same way as other CPU features. Below is > -the list of KVM VCPU features and their descriptions. > +the list of KVM vCPU features and their descriptions. > > ``kvm-no-adjvtime`` > By default kvm-no-adjvtime is disabled. This means that by default > the virtual time adjustment is enabled (vtime is not *not* adjusted). > > When virtual time adjustment is enabled each time the VM transitions > - back to running state the VCPU's virtual counter is updated to > + back to running state the vCPU's virtual counter is updated to > ensure stopped time is not counted. This avoids time jumps > surprising guest OSes and applications, as long as they use the > virtual counter for timekeeping. However it has the side effect of > @@ -200,15 +200,15 @@ the list of KVM VCPU features and their descriptions. > > When kvm-steal-time is enabled a 64-bit guest can account for time > its CPUs were not running due to the host not scheduling the > - corresponding VCPU threads. The accounting statistics may influence > + corresponding vCPU threads. The accounting statistics may influence > the guest scheduler behavior and/or be exposed to the guest > userspace. > > -TCG VCPU Features > +TCG vCPU Features > ================= > > -TCG VCPU features are CPU features that are specific to TCG. > -Below is the list of TCG VCPU features and their descriptions. > +TCG vCPU features are CPU features that are specific to TCG. > +Below is the list of TCG vCPU features and their descriptions. > > ``pauth`` > Enable or disable ``FEAT_Pauth`` entirely.