linux-kernel - Re: [PATCH AUTOSEL 4.19 044/167] drm/amdgpu: validate user pitch alignment

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Message-ID: <20190903170347.GA24357@kroah.com>
Date:   Tue, 3 Sep 2019 19:03:47 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Michel Dänzer <michel@...nzer.net>
Cc:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Yu Zhao <yuzhao@...gle.com>,
        dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
        Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH AUTOSEL 4.19 044/167] drm/amdgpu: validate user pitch
 alignment

On Tue, Sep 03, 2019 at 06:40:43PM +0200, Michel Dänzer wrote:
> On 2019-09-03 6:23 p.m., Sasha Levin wrote:
> > From: Yu Zhao <yuzhao@...gle.com>
> > 
> > [ Upstream commit 89f23b6efef554766177bf51aa754bce14c3e7da ]
> 
> Hold your horses!
> 
> This commit and c4a32b266da7bb702e60381ca0c35eaddbc89a6c had to be
> reverted, as they caused regressions. See commits
> 25ec429e86bb790e40387a550f0501d0ac55a47c &
> 92b0730eaf2d549fdfb10ecc8b71f34b9f472c12 .
> 
> 
> This isn't bolstering confidence in how these patches are selected...

The patch _itself_ said to be backported to the stable trees from 4.2
and newer.  Why wouldn't we be confident in doing this?

If the patch doesn't want to be backported, then do not add the cc:
stable line to it...

greg k-h