linux-kernel - Re: [PATCH v12 06/25] mailbox: Add Gunyah message queue mailbox

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Message-ID: <b4fa7ae9-da5e-7a94-3b82-00d9200aa67e@quicinc.com>
Date:   Tue, 9 May 2023 13:52:13 -0700
From:   Elliot Berman <quic_eberman@...cinc.com>
To:     Jassi Brar <jassisinghbrar@...il.com>
CC:     Alex Elder <elder@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
        Jonathan Corbet <corbet@....net>,
        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>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Will Deacon <will@...nel.org>, Andy Gross <agross@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v12 06/25] mailbox: Add Gunyah message queue mailbox

Hi Jassi,

On 5/3/2023 11:21 PM, Jassi Brar wrote:
> On Mon, Apr 24, 2023 at 6:16 PM Elliot Berman <quic_eberman@...cinc.com> wrote:
>>
>> Gunyah message queues are a unidirectional inter-VM pipe for messages up
>> to 1024 bytes. This driver supports pairing a receiver message queue and
>> a transmitter message queue to expose a single mailbox channel.
>>
>> Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
>> ---
>>   Documentation/virt/gunyah/message-queue.rst |   8 +
>>   drivers/mailbox/Makefile                    |   2 +
>>   drivers/mailbox/gunyah-msgq.c               | 210 ++++++++++++++++++++
>>   include/linux/gunyah.h                      |  57 ++++++
>>
> include/linux/gunyah.h  and
> Documentation/virt/gunyah/message-queue.rst would need to exist for
> this patch to apply.
> If you made this patch as the first in series, then I could apply.
> 

The mailbox driver is dependent on patches 3-5. Could [1] be picked up 
in meantime? I'll talk with QC Landing team folks about strategies to 
merge once they finish review.

[1]: 
https://lore.kernel.org/all/20230410161654.1660757-1-quic_eberman@quicinc.com/