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Thu, 30 Jul 2026 05:29:07 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 30 Jul 2026 05:29:07 +0000 (GMT) From: Heiko Carstens To: Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , Harald Freudenberger , Holger Dengler , Vineeth Vijayan , Peter Oberparleiter , Janosch Frank , Claudio Imbrenda , David Hildenbrand , Peter Zijlstra , Herbert Xu Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Subject: [PATCH v3 0/4] s390: Remove or replace cond_resched() calls Date: Thu, 30 Jul 2026 07:29:03 +0200 Message-ID: <20260730052907.2607026-1-hca@linux.ibm.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 38bPFaJZsH1Bwgcb6nMPiEoIFMI0Ffyc X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMwMDAzMyBTYWx0ZWRfX01cE1H459gWL a6pv2Dg8DQfmlIeJ9kg/cwOUuLv3SeijPeXYoqUM7hL7cTlZqy883h+LU3nEmmzJntyKjcIfOeU gI8+KGM4x2hCVrtR0YRnsQLvGiXGgkQ91U14R2qEblR3Vwcyp85NGY9FWAAQrc4JSYJECwLuhCT rqQhzzY/b/PcPfFntcQclzBJ51nI9BhF5gJ6Mrp6z4GsUrd1mj+B8eFY87DR0jGpHzYLanrJ3s6 H2k/VPy6nlgrVU4xh7Xv19dzcAvnrs9Y17diZ/FUbmUerhWAHyQ30BpC4Jkp3Hlod893nD37L+4 BZsbV8uLFfrCcEc4oOYUmGbaZqeFm2PwNk3rolB+nn008ZkgTy4RTXKP1s/0u8RzeAl7UP9b/nh zmE6xzsUQh0/EUH7o//CuvyIG1Pah8z84LtiipBHJGw+DTFTfN9kbiXLhMMlF94MHb7MHq+9duj fwU9a7emGN7i3LZpCbQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMwMDAzMyBTYWx0ZWRfX6xOvEkD3QjIs r8RAF9P0WIbO5cnL+/OsWGwMvLHijWDsDaHd36mnauX89AOoR7/aPBz5h7PLYKhGJzPQAGVcV+E LERS5jnp1vKCo21RERfR5S9VvkwbZFY= X-Authority-Analysis: v=2.4 cv=AZeB2XXG c=1 sm=1 tr=0 ts=6a6ae129 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=Fs_qYlmMC0Zql47DM_AA:9 X-Proofpoint-GUID: 38bPFaJZsH1Bwgcb6nMPiEoIFMI0Ffyc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-30_01,2026-07-29_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607300033 v3: - Drop uv_call_sched() [Claudio Imbrenda] v2: - Use msleep() in crypto code (Holger Dengler) - Add Reviewed-by tag from Peter Oberparleiter v1: Since [1] it is only possible to select the PREEMPT or PREEMPT_LAZY preemption models for s390. This has caused some minor problems, but everything has been addressed. Given that for both preemption models cond_resched() is a no-op remove or replace it everywhere. [1] commit 7dadeaa6e851 ("sched: Further restrict the preemption modes") Heiko Carstens (4): s390/crypto: Replace cond_resched() with msleep(1) KVM: s390: Remove cond_resched() calls s390: Remove cond_resched() calls s390/cio: Remove cond_resched() calls arch/s390/crypto/paes_s390.c | 8 ++++---- arch/s390/crypto/phmac_s390.c | 4 ++-- arch/s390/include/asm/uv.h | 16 ++-------------- arch/s390/kernel/perf_cpum_cf.c | 1 - arch/s390/kernel/uv.c | 2 +- arch/s390/kvm/gaccess.c | 8 ++------ arch/s390/kvm/gmap.c | 4 ---- arch/s390/kvm/kvm-s390.c | 1 - arch/s390/kvm/pv.c | 11 +++++------ arch/s390/kvm/vsie.c | 1 - arch/s390/mm/cmm.c | 2 -- arch/s390/mm/gmap_helpers.c | 1 - arch/s390/mm/pageattr.c | 5 ----- arch/s390/mm/pgalloc.c | 1 - arch/s390/pci/pci.c | 4 +--- drivers/s390/char/uvdevice.c | 6 +++--- drivers/s390/cio/css.c | 8 -------- 17 files changed, 20 insertions(+), 63 deletions(-) -- 2.53.0