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Wed, 18 Feb 2026 14:20:14 +0000 (GMT) From: Heiko Carstens To: Frederic Weisbecker , Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH 8/9] s390/vtime: Use lockdep_assert_irqs_disabled() instead of BUG_ON() Date: Wed, 18 Feb 2026 15:20:11 +0100 Message-ID: <20260218142012.863464-9-hca@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260218142012.863464-1-hca@linux.ibm.com> References: <20260218142012.863464-1-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=dvvWylg4 c=1 sm=1 tr=0 ts=6995caa3 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VnNF1IyMAAAA:8 a=Kc6-FovL7Q0bcOmGwqcA:9 X-Proofpoint-GUID: R_WFhomB0FnOKeopz_wzre5swklkWUdN X-Proofpoint-ORIG-GUID: R_WFhomB0FnOKeopz_wzre5swklkWUdN X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE4MDEyMCBTYWx0ZWRfX/ACCg9fG0mcZ tmAyu6tM85pEC9VQxdpmIu3s400NjAOsaCvGNEvYQFW9/bUeb6wupgq6hQ3eJ6RKrWk9A2yWwjU mH9fbgNrri1zcVrdkI+1Z+GYVXLlGG0BqVH/PdNVKDVBGq4RBuf0xIthDewChD9UZ8hA7cz26rO zvddRshSldY3frq709maErVhN1yli8ZgfxJc4U20iAaHrk7xUjbS5xVM1SJpJ+/4KMs3Sj9rRRx RGmE1rXrlkpyVU7qHDqmhkx5KPHNfSG2rkLEdRmdQx8xReGVcqZF0C1Xzd1mUylLEEbjru0XsVJ Je5N51k+rq8uZTrkj8B+HcxPt7dW8K+fmk/+oSi9haDkM0CIGhdYRhP2ztsJ7gWGHevm+OWazJe VkBy6dgijyBKHOW7BioJr54Vk1wrqtkBA4R3sineiBXAHxRtt425uWB/66FuDobxpSmV7NVmCIk z+3HgUz/FT08iPIyxog== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-18_02,2026-02-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 phishscore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602180120 Use lockdep_assert_irqs_disabled() instead of BUG_ON(). This avoids crashing the kernel, and generates better code if CONFIG_PROVE_LOCKING is disabled. Signed-off-by: Heiko Carstens --- arch/s390/kernel/vtime.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 4111ff4d727c..bf48744d0912 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -48,8 +48,7 @@ static inline void set_vtimer(u64 expires) static inline int virt_timer_forward(u64 elapsed) { - BUG_ON(!irqs_disabled()); - + lockdep_assert_irqs_disabled(); if (list_empty(&virt_timer_list)) return 0; elapsed = atomic64_add_return(elapsed, &virt_timer_elapsed); -- 2.51.0