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Mon, 21 Sep 2020 07:58:44 +0000 (GMT) Subject: Re: [PATCH AUTOSEL 5.4 101/330] powerpc/powernv/ioda: Fix ref count for devices with their own PE To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Andrew Donnellan , Michael Ellerman , linuxppc-dev@lists.ozlabs.org References: <20200918020110.2063155-1-sashal@kernel.org> <20200918020110.2063155-101-sashal@kernel.org> <52532d8a-8e90-8a68-07bd-5a3e08c58475@linux.ibm.com> <20200919181029.GI2431@sasha-vm> From: Frederic Barrat Message-ID: <8eaefe77-8cdf-1da5-f573-633713598eb6@linux.ibm.com> Date: Mon, 21 Sep 2020 09:58:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200919181029.GI2431@sasha-vm> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-21_01:2020-09-21,2020-09-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 impostorscore=0 suspectscore=0 bulkscore=0 malwarescore=0 phishscore=0 adultscore=0 clxscore=1031 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009210054 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 19/09/2020 à 20:10, Sasha Levin a écrit : > On Fri, Sep 18, 2020 at 08:35:06AM +0200, Frederic Barrat wrote: >> >> >> Le 18/09/2020 à 03:57, Sasha Levin a écrit : >>> From: Frederic Barrat >>> >>> [ Upstream commit 05dd7da76986937fb288b4213b1fa10dbe0d1b33 ] >>> >> >> This patch is not desirable for stable, for 5.4 and 4.19 (it was >> already flagged by autosel back in April. Not sure why it's showing >> again now) > > Hey Fred, > > This was a bit of a "lie", it wasn't a run of AUTOSEL, but rather an > audit of patches that went into distro/vendor trees but not into the > upstream stable trees. > > I can see that this patch was pulled into Ubuntu's 5.4 tree, is it not > needed in the upstream stable tree? That patch in itself is useless (it replaces a ref counter leak by another one). It was part of a longer series that we backported to Ubuntu's 5.4 tree. So it's really not needed on the stable trees. It likely wouldn't hurt or break anything, but there's really no point. Fred