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[223.255.225.237]) by smtp.gmail.com with ESMTPSA id l6-20020a170903244600b0016db441edd7sm1098566pls.40.2022.08.12.01.25.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 01:25:21 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id AB966103BBF; Fri, 12 Aug 2022 15:25:17 +0700 (WIB) Date: Fri, 12 Aug 2022 15:25:17 +0700 From: Bagas Sanjaya To: Elliot Berman Cc: Bjorn Andersson , linux-doc@vger.kernel.org, Jonathan Corbet , Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Andy Gross , Dmitry Baryshkov , linux-arm-kernel@lists.infradead.org, Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Will Deacon , Catalin Marinas , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v3 02/12] docs: gunyah: Introduce Gunyah Hypervisor Message-ID: References: <20220811214107.1074343-1-quic_eberman@quicinc.com> <20220811214107.1074343-3-quic_eberman@quicinc.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="J0DeUdYoLvLWrWZu" Content-Disposition: inline In-Reply-To: <20220811214107.1074343-3-quic_eberman@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org --J0DeUdYoLvLWrWZu Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 11, 2022 at 02:40:57PM -0700, Elliot Berman wrote: > +Gunyah provides these following features. > + > +- Scheduling: > + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time= -sharing > + of the CPUs. Gunyah supports two models of scheduling: > + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules= vCPUS on its own > + 2. "Proxy" scheduling in which a delegated VM can donate part of one= of its vCPU slice > + to another VM's vCPU via a hypercall. > +- Memory Management: > + APIs handling memory, abstracted as objects, limiting direct use of ph= ysical > + addresses. Memory ownership and usage tracking of all memory under its= control. > + Memory partitioning between VMs is a fundamental security feature. > +- Interrupt Virtualization: > + Uses CPU hardware interrupt virtualization capabilities. Interrupts ar= e handled > + in the hypervisor and routed to the assigned VM. > +- Inter-VM Communication: > + There are several different mechanisms provided for communicating betw= een VMs. > +- Virtual platform: > + Architectural devices such as interrupt controllers and CPU timers are= directly provided > + by the hypervisor as well as core virtual platform devices and system = APIs such as ARM PSCI. > +- Device Virtualization: > + Para-virtualization of devices is supported using inter-VM communicati= on. htmldocs build produces a new warning: Documentation/virt/gunyah/index.rst:25: WARNING: Unexpected indentation. I have applied the fixup for lists above: ---- >8 ---- diff --git a/Documentation/virt/gunyah/index.rst b/Documentation/virt/gunya= h/index.rst index 780ff958a83b8c..c55e02f17ca318 100644 --- a/Documentation/virt/gunyah/index.rst +++ b/Documentation/virt/gunyah/index.rst @@ -20,24 +20,36 @@ https://github.com/quic/gunyah-hypervisor. Gunyah provides these following features. =20 - Scheduling: + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time-s= haring of the CPUs. Gunyah supports two models of scheduling: + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules v= CPUS on its own 2. "Proxy" scheduling in which a delegated VM can donate part of one o= f its vCPU slice to another VM's vCPU via a hypercall. + - Memory Management: + APIs handling memory, abstracted as objects, limiting direct use of phys= ical addresses. Memory ownership and usage tracking of all memory under its c= ontrol. Memory partitioning between VMs is a fundamental security feature. + - Interrupt Virtualization: + Uses CPU hardware interrupt virtualization capabilities. Interrupts are = handled in the hypervisor and routed to the assigned VM. + - Inter-VM Communication: + There are several different mechanisms provided for communicating betwee= n VMs. + - Virtual platform: + Architectural devices such as interrupt controllers and CPU timers are d= irectly provided by the hypervisor as well as core virtual platform devices and system AP= Is such as ARM PSCI. + - Device Virtualization: + Para-virtualization of devices is supported using inter-VM communication. =20 Architectures supported Thanks. --=20 An old man doll... just what I always wanted! - Clara --J0DeUdYoLvLWrWZu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCYvYOZgAKCRD2uYlJVVFO o9M1AP9qGMXeysAQQdpRja+bHC5MnwCoQfI19sffZXmLAIeTDgEArdMnYX6idzkJ Z5H5X80sKhQ98VuWt7B7HXRY3JM4YgQ= =AycK -----END PGP SIGNATURE----- --J0DeUdYoLvLWrWZu--