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Wed, 24 Sep 2025 09:03:32 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B1C3B20043; Wed, 24 Sep 2025 09:03:32 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6FBB220040; Wed, 24 Sep 2025 09:03:32 +0000 (GMT) Received: from osiris (unknown [9.155.211.25]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTPS; Wed, 24 Sep 2025 09:03:32 +0000 (GMT) Date: Wed, 24 Sep 2025 11:03:30 +0200 From: Heiko Carstens To: Marco Crivellari Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Michal Hocko , Alexander Gordeev , Vasily Gorbik Subject: Re: [PATCH v2 0/3] s390: replace wq users and add WQ_PERCPU to alloc_workqueue() users Message-ID: <20250924090330.7748Aaf-hca@linux.ibm.com> References: <20250917153859.363593-1-marco.crivellari@suse.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250917153859.363593-1-marco.crivellari@suse.com> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=J5Cq7BnS c=1 sm=1 tr=0 ts=68d3b3e9 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=yJojWOMRYYMA:10 a=R1_GTazKnjilNYR4TU4A:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: hDw4_CXPXpEB0Hp2Ar6QAy32g6sS15Or X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIwMDAxNSBTYWx0ZWRfX6+BkIp08kFr0 pH8VhgL7zNKjSTQ29MIoSoKYhz7KVme7YSy+b5uiqHKvWFGYyDJiPRaEY+D/rZboUctA86nBCwS i0RIS2Az3MS/eLIqmeyzdsr2PApwMTuudxxytdm0Pu2q6qb1mdgd5C2GoZN90LMVWq+bGs+lD5+ eNOEdOW2U79pFRl0d+vbd8oyw+bchMANoUq0/l8rTUH0W1mjH/wmR8RHwzXFUoP/qwXOouJwORd PZ8GOAu1Q/vHXWuroP7qU+9r9wVYsGPGkxbStWwuNeoGHKNdJ1YoOj2bYi2qJ4gWesWAmECr0p4 hjIW+a53f+h5RglPJYLTJBgapmHhr5pOsq8Zsopv+vlc8aDHMvdkwmX/yRRPfLpKsdnxW1Q7GBA JK6W4eSe X-Proofpoint-ORIG-GUID: 2mLPRkMubomomzoWQ--0Qgc2dOO32JXc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-24_02,2025-09-22_05,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 malwarescore=0 spamscore=0 bulkscore=0 phishscore=0 clxscore=1011 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509200015 On Wed, Sep 17, 2025 at 05:38:56PM +0200, Marco Crivellari wrote: > This patchset is the first stone on a refactoring needed in order to > address the points aforementioned; it will have a positive impact also > on the cpu isolation, in the long term, moving away percpu workqueue in > favor to an unbound model. ... > --- > Changes in v2: > - New in the series, 2/3: arch/s390/kernel/hiperdispatch.c does not benefit from > system_wq: this has been converted directly to system_unbound_wq. > - the others system_wq users are converted to system_percpu_wq in patch 3/3 > > > Marco Crivellari (3): > drivers/s390: WQ_PERCPU added to alloc_workqueue users > s390/diag324: replace use of system_wq with system_percpu_wq > s390: replace use of system_wq with system_dfl_wq > > arch/s390/kernel/diag/diag324.c | 4 ++-- > arch/s390/kernel/hiperdispatch.c | 2 +- > drivers/s390/char/tape_3590.c | 2 +- > 3 files changed, 4 insertions(+), 4 deletions(-) Series applied, thanks!