linux-kernel - Re: [PATCH v3 1/1] drm: msm: Replace dma_map_sg with dma_sync

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Message-ID: <20181129155310.GA26537@lst.de>
Date:   Thu, 29 Nov 2018 16:53:11 +0100
From:   Christoph Hellwig <hch@....de>
To:     Rob Clark <robdclark@...il.com>
Cc:     hch@....de, Vivek Gautam <vivek.gautam@...eaurora.org>,
        David Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        freedreno <freedreno@...ts.freedesktop.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Archit Taneja <architt@...eaurora.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Sean Paul <seanpaul@...omium.org>
Subject: Re: [PATCH v3 1/1] drm: msm: Replace dma_map_sg with dma_sync_sg*

On Thu, Nov 29, 2018 at 09:25:43AM -0500, Rob Clark wrote:
> > As I told you before:  hell no.  If you spent the slightest amount of
> > actually trying to understand what you are doing here you'd know this
> > can't work.  Just turn on dma debugging and this will blow up in your
> > face.
> 
> you can tone it down..  we weren't the ones who created the dma/iommu
> mess, we are just trying to find a way to work around it

But you don't listen and take someone busy for a day as approval,
which is absolutely not the case.  Please wait for a day or two for
people to respond instead of forcing already NACKed patches again in
an act of passive agression.