linux-kernel - Re: [PATCH 1/3] drm/msm: Fix race of GPU init vs timestamp power management.

Open Source and information security mailing list archives

Message-ID: <20210129234811.GA1612@jcrouse1-lnx.qualcomm.com>
Date:   Fri, 29 Jan 2021 16:48:11 -0700
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     Eric Anholt <eric@...olt.net>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH 1/3] drm/msm: Fix race of GPU init vs timestamp power
 management.

On Thu, Jan 28, 2021 at 11:17:16AM -0800, Eric Anholt wrote:
> On Thu, Jan 28, 2021 at 10:52 AM Jordan Crouse <jcrouse@...eaurora.org> wrote:
> >
> > On Wed, Jan 27, 2021 at 03:39:44PM -0800, Eric Anholt wrote:
> > > We were using the same force-poweron bit in the two codepaths, so they
> > > could race to have one of them lose GPU power early.
> > >
> > > Signed-off-by: Eric Anholt <eric@...olt.net>
> > > Cc: stable@...r.kernel.org # v5.9
> >
> > You can add:
> > Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support")
> >
> > Because that was my ugly.
> >
> > Reviewed-by: Jordan Crouse <jcrouse@...eaurora.org>
> 
> I only pointed it at 5.9 because it looked like it would probably
> conflict against older branches.  I can add the fixes tag if you'd
> like, though.

Fair enough. It is a good bug to fix but not if there are a lot of conflicts to
deal with.

Jordan
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives