linux-kernel - Re: [PATCH 0/2] qcom: remove memcpy()ing from cmd-db driver

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Date:   Thu, 13 Sep 2018 16:30:36 -0500
From:   Andy Gross <andy.gross@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org,
        Mahesh Sivasubramanian <msivasub@...eaurora.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Evan Green <evgreen@...omium.org>
Subject: Re: [PATCH 0/2] qcom: remove memcpy()ing from cmd-db driver

On Tue, Jul 17, 2018 at 01:29:45PM -0700, Stephen Boyd wrote:
> Some changes to the cmd-db code to not do any more copying
> of memory. Instead, we'll just hand out pointers to things
> inside cmd-db. Merging the second patch will cause problems
> for any in-flight users of the cmd-db APIs that are modified
> and/or removed. Probably that patch can wait until later, or 
> I can provide the fixes for any patches in-flight that get
> wrecked when it's applied.

The Adreno folks picked up the cmd-db APIs and ran with them.  I'll
need an additional patch to fix that breakage.  You can see this in
4.19-rc1.

Thanks,

Andy