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Fri, 19 Jun 2026 22:00:20 +0000 (GMT) Received: from Linuxdev (unknown [9.43.77.5]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 19 Jun 2026 22:00:20 +0000 (GMT) From: Madhavan Srinivasan To: linuxppc-dev@lists.ozlabs.org, Shrikanth Hegde Cc: peterz@infradead.org, tglx@kernel.org, linux-kernel@vger.kernel.org, venkat88@linux.ibm.com, mkchauras@gmail.com, Christophe Leroy Subject: Re: [PATCH v2] powerpc/entry: Disable interrupts before irqentry_exit Date: Sat, 20 Jun 2026 03:30:02 +0530 Message-ID: <178190618805.653308.16618902378707016210.b4-ty@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260603131054.216235-1-sshegde@linux.ibm.com> References: <20260603131054.216235-1-sshegde@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE5MDIxMCBTYWx0ZWRfX54cY8CnV5wgN 29bRuSR81H4ClIbYMGQfbDqzJ5KklfLs/3vXcH2TniAq6ZVZ/BnbTeZXa+k6ewZGJ5byq41V+fM IJpJLySk0V0Mi8U841BZQYkeJb/D/jI= X-Proofpoint-ORIG-GUID: JuQcitmQwQuVW5pJyisdDisjfjufUbcf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE5MDIxMCBTYWx0ZWRfX8c88ySkjocE8 7Ak3SsKWrJA5ocQuXC9luvNW9sPXkC2yLNOdciruTuLYEI8NQb2yaYiijbjnvdOcDQpXWuQIkh1 WID+xOLDAuXe0AfexyuHCd+aYFXG1ZvYxVVBvaKUno/hbdTb7CVNeBs/GNMiOJlI0RWoDgZ/VNb ezvkQYu2kLMo1pjfl3a8i65Ucgby4Z53ieA57ajdYLq/zxgl8HUWp5uL4ulHNZX/O0qy5/gpFqS 5uP46hpvkNYEcoIHOR9tja7vM0wWvPQfYQiczpG16/Us/+3q3prua9RXxhc4OZMNY9BjXpf/9ow pth+tNrXgfepCT3CCb6FwJ2vFR6FHMQSw1ORChEi5Gkjzy3i8B/Uo6VBqrmwcA08qILT53MIOHe pJs/dK7T2U/vbCGK9AMgwKn0LAt1UgnxjMoH9yLuiYnuFzesu4Bzlpw3fK0zzcV/0/Dgbv6kn22 GcWc+TWvK1NlI/Hi2Bw== X-Proofpoint-GUID: VHizWueufGyDZ56H4rBfmNK2hypMmbor X-Authority-Analysis: v=2.4 cv=L9gtheT8 c=1 sm=1 tr=0 ts=6a35bbfa cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VwQbUJbxAAAA:8 a=jCyMpr-v3DULSFoDcqoA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-19_05,2026-06-18_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 malwarescore=0 clxscore=1015 adultscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606190210 On Wed, 03 Jun 2026 18:40:54 +0530, Shrikanth Hegde wrote: > Venkat reported a panic on powerpc-next tree where GENERIC_ENTRY has > been enabled. > > kernel BUG at kernel/sched/core.c:7512! > NIP preempt_schedule_irq+0x44/0x118 > LR dynamic_irqentry_exit_cond_resched+0x40/0x1a4 > Call Trace: > dynamic_irqentry_exit_cond_resched+0x40/0x1a4 > do_page_fault+0xc0/0x104 > data_access_common_virt+0x210/0x220 > > [...] Applied to powerpc/next. [1/1] powerpc/entry: Disable interrupts before irqentry_exit https://git.kernel.org/powerpc/c/334f3f6d7a1660fd65597bad9960bfa33a716d35 cheers