linux-kernel - Re: [RESEND PATCH 0/4] Add support for SMMU ECMDQ

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Message-ID: <ZL6n3f01yV7tc4yH@ziepe.ca>
Date:   Mon, 24 Jul 2023 13:33:33 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Tanmay Jagdale <tanmay@...vell.com>
Cc:     will@...nel.org, robin.murphy@....com, joro@...tes.org,
        baolu.lu@...ux.intel.com, thunder.leizhen@...wei.com,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, gcherian@...vell.com,
        sgoutham@...vell.com, lcherian@...vell.com, bbhushan2@...vell.com
Subject: Re: [RESEND PATCH 0/4] Add support for SMMU ECMDQ

On Fri, Jul 21, 2023 at 02:35:09AM -0400, Tanmay Jagdale wrote:
> Resending the patches by Zhen Lei <thunder.leizhen@...wei.com> that add
> support for SMMU's ECMDQ feature.
> 
> I have tested these patches on Marvell SoC that has the ECMDQ
> feature.

Last time this came up Robin was interested in real world performance
gains

Do you have data to share that is motivating you to do this work?

Jason