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From: Will Deacon <will@kernel.org>
To: "Michel Dänzer" <michel@daenzer.net>
Cc: amd-gfx@lists.freedesktop.org, "David Airlie" <airlied@linux.ie>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	"Nicolas Waisman" <nico@semmle.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH] drm/radeon: Handle workqueue allocation failure
Date: Fri, 25 Oct 2019 17:18:05 +0100	[thread overview]
Message-ID: <20191025161804.GA12335@willie-the-truck> (raw)
In-Reply-To: <5d6a88a2-2719-a859-04df-10b0d893ff39@daenzer.net>

On Fri, Oct 25, 2019 at 06:06:26PM +0200, Michel Dänzer wrote:
> On 2019-10-25 1:04 p.m., Will Deacon wrote:
> > In the highly unlikely event that we fail to allocate the "radeon-crtc"
> > workqueue, we should bail cleanly rather than blindly march on with a
> > NULL pointer installed for the 'flip_queue' field of the 'radeon_crtc'
> > structure.
> > 
> > This was reported previously by Nicolas, but I don't think his fix was
> > correct:
> 
> Neither is this one I'm afraid. See my feedback on
> https://patchwork.freedesktop.org/patch/331534/ .

Thanks. Although I agree with you wrt the original patch, I don't think
the workqueue allocation failure is distinguishable from the CRTC allocation
failure with my patch. Are you saying that the error path there is broken
too?

Will

  reply	other threads:[~2019-10-25 16:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-25 11:04 [PATCH] drm/radeon: Handle workqueue allocation failure Will Deacon
2019-10-25 16:06 ` Michel Dänzer
2019-10-25 16:18   ` Will Deacon [this message]
2019-10-25 16:20     ` Michel Dänzer
2019-10-31 16:54       ` Will Deacon

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