Re: [PATCH 0/7] v4.19-stable randconfig fixes

From: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	linux-aspeed-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	David Brown <david.brown-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Srinivas Kandagatla
	<srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"James E.J. Bottomley"
	<jejb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Daniel Drake <dsd-2X9k7bc8m7Mdnm+yROfE0A@public.gmane.org>,
	linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Jens Frederich
	<jfrederich-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	openbmc-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Andy Gross <andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Lubomir Rintel <lkundrak-NGH9Lh4a5iE@public.gmane.org>,
	dou_liyang-9Onoh4P/yGk@public.gmane.org,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org,
	Vincent Guittot
	<vincent.guittot-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	"Martin K. Petersen"
	<martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	Andrew Jeffery <andrew-zrmu5oMJ5Fs@public.gmane.org>,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stabl
Subject: Re: [PATCH 0/7] v4.19-stable randconfig fixes
Date: Mon, 17 Dec 2018 19:20:28 -0500	[thread overview]
Message-ID: <20181218002028.GX2746@sasha-vm> (raw)
In-Reply-To: <20181214221023.3878670-1-arnd-r2nGTMty4D4@public.gmane.org>

On Fri, Dec 14, 2018 at 11:10:05PM +0100, Arnd Bergmann wrote:
>Hi Greg,
>
>I did some randconfig testing on linux-4.19 arm/arm64/x86. So far I needed
>27 patches, most of which are also still needed in mainline Linux. I
>had submitted some before, and others were not submitted previously
>for some reason. I'll try to get those fixed in mainline and then
>make sure we get them into 4.19 as well.
>
>This series for now contains four patches that did make it into mainline:
>
>2e6ae11dd0d1 ("slimbus: ngd: mark PM functions as __maybe_unused")
>33f49571d750 ("staging: olpc_dcon: add a missing dependency")
>0eeec01488da ("scsi: raid_attrs: fix unused variable warning")
>11d4afd4ff66 ("sched/pelt: Fix warning and clean up IRQ PELT config")
>
>Feel free to either cherry-pick those from mainline or apply the
>patch from this series, whichever works best for you.
>
>The other three patches are for warnings in code that got removed in
>mainline kernels:
>
>3e9efc3299dd ("i2c: aspeed: Handle master/slave combined irq events properly")
>972910948fb6 ("ARM: dts: qcom: Remove Arrow SD600 eval board")
>effec874792f ("drm/msm/dpu: Remove dpu_dbg")
>
>My feeling was that it's safer to just address the warning by fixing
>the code correctly in each of these cases, but if you disagree,
>applying the mainline change should work equally well, so decide
>for yourself.

Thanks Arnd, I took the series as is.

We really need to discuss how -stable deals with removed code upstream.
For some cases, we should probably follow suit and remove it from
-stable as well (I'm mostly thinking dodgy code with potential security
issues).

--
Thanks,
Sasha
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