linux-kernel - Re: [PATCH v4 0/4] new subsystem for compute accelerator devices

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Date:   Tue, 22 Nov 2022 08:57:46 -0700
From:   Jeffrey Hugo <quic_jhugo@...cinc.com>
To:     Oded Gabbay <ogabbay@...nel.org>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Arnd Bergmann <arnd@...db.de>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>,
        Jiho Chu <jiho.chu@...sung.com>,
        Daniel Stone <daniel@...ishbar.org>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        John Hubbard <jhubbard@...dia.com>,
        Alex Deucher <alexander.deucher@....com>,
        Jacek Lawrynowicz <jacek.lawrynowicz@...ux.intel.com>,
        Maciej Kwapulinski <maciej.kwapulinski@...ux.intel.com>,
        Christopher Friedt <chrisfriedt@...il.com>
Subject: Re: [PATCH v4 0/4] new subsystem for compute accelerator devices

On 11/20/2022 3:04 PM, Jeffrey Hugo wrote:
> On 11/19/2022 1:44 PM, Oded Gabbay wrote:
>> This is the fourth (and hopefully last) version of the patch-set to 
>> add the
>> new subsystem for compute accelerators. I removed the RFC headline as
>> I believe it is now ready for merging.
>>
>> Compare to v3, this patch-set contains one additional patch that adds
>> documentation regarding the accel subsystem. I hope it's good enough for
>> this stage. In addition, there were few very minor fixes according to
>> comments received on v3.
>>
>> The patches are in the following repo:
>> https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/accel.git/log/?h=accel_v4 
>>
>>
>> As in v3, The HEAD of that branch is a commit adding a dummy driver that
>> registers an accel device using the new framework. This can be served
>> as a simple reference.
>>
>> v1 cover letter:
>> https://lkml.org/lkml/2022/10/22/544
>>
>> v2 cover letter:
>> https://lore.kernel.org/lkml/20221102203405.1797491-1-ogabbay@kernel.org/T/ 
>>
>>
>> v3 cover letter:
>> https://lore.kernel.org/lkml/20221106210225.2065371-1-ogabbay@kernel.org/T/ 
>>
>>
>> Thanks,
>> Oded.
> 
> Reviewed-by: Jeffrey Hugo <quic_jhugo@...cinc.com>
> 
> I have some nits.  Nothing that I think should be a blocker for this 
> series.

I don't recall if I previously mentioned this.  I'm planning on updating 
the QAIC series to be an accel driver.  Therefore there should be 
at-least 1 user (probably several) for this subsystem in short order.