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Message-ID: <e60a114b-b99a-8a11-ac39-c9ddc3ed926e@gmail.com>
Date: Tue, 11 Oct 2022 16:36:10 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Elliot Berman <quic_eberman@...cinc.com>,
Bjorn Andersson <quic_bjorande@...cinc.com>,
Jonathan Corbet <corbet@....net>
Cc: Murali Nalajala <quic_mnalajal@...cinc.com>,
Trilok Soni <quic_tsoni@...cinc.com>,
Srivatsa Vaddagiri <quic_svaddagi@...cinc.com>,
Carl van Schaik <quic_cvanscha@...cinc.com>,
Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
Andy Gross <agross@...nel.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Jassi Brar <jassisinghbrar@...il.com>,
linux-arm-kernel@...ts.infradead.org,
Mark Rutland <mark.rutland@....com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Sudeep Holla <sudeep.holla@....com>,
Marc Zyngier <maz@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Will Deacon <will@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 01/13] docs: gunyah: Introduce Gunyah Hypervisor
On 10/11/22 07:08, Elliot Berman wrote:
> +The diagram below shows how message queue works. A typical configuration involves
> +2 message queues. Message queue 1 allows VM_A to send messages to VM_B. Message
> +queue 2 allows VM_B to send messages to VM_A.
> +
> +1. VM_A sends a message of up to 1024 bytes in length. It raises a hypercall
> + with the message to inform the hypervisor to add the message to
> + message queue 1's queue.
> +
> +2. Gunyah raises the corresponding interrupt for VM_B when any of these happens:
> + a. gh_msgq_send has PUSH flag. Queue is immediately flushed. This is the typical case.
> + b. Explicility with gh_msgq_push command from VM_A.
> + c. Message queue has reached a threshold depth.
> +
> +3. VM_B calls gh_msgq_recv and Gunyah copies message to requested buffer.
> +
Seems like you forget to apply my suggestion fixes at [1].
[1]: https://lore.kernel.org/all/YzUUaIx+azyzFDNX@debian.me/
Thanks.
--
An old man doll... just what I always wanted! - Clara
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