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

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Message-ID: <153720808732.119890.6116001417130864555@swboyd.mtv.corp.google.com>
Date:   Mon, 17 Sep 2018 11:14:47 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <andy.gross@...aro.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

Quoting Andy Gross (2018-09-13 14:30:36)
> 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.
> 

I'll resend. I already had fixed it a few weeks ago.