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Miller" , Andreas Larsson , Bradley Morgan , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org Subject: Re: [PATCH v4 2/3] s390: Implement arch_do_panic() Message-ID: <20260805100642.76476B64-hca@linux.ibm.com> References: <20260805-arch_do_panic-v4-0-af4a36f99414@linux.ibm.com> <20260805-arch_do_panic-v4-2-af4a36f99414@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=us-ascii Content-Disposition: inline In-Reply-To: <20260805-arch_do_panic-v4-2-af4a36f99414@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA1MDA3NyBTYWx0ZWRfX4WMPZhm8LWSE +IBwInoKY0WjeXP6KzTXnk2E1XsYv+CXWw9rDzdJrylhrA4Gk9jHzvqPaVUsQFCwVB2TppSsTAJ +W87stRBI2jfeyWSneC+LJzExhc4qUA= X-Authority-Analysis: v=2.4 cv=I7VVgtgg c=1 sm=1 tr=0 ts=6a730b39 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=vaa-I4Qfp-vEu9COqkMA:9 a=0bXxn9q0MV6snEgNplNhOjQmxlI=:19 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA1MDA3NyBTYWx0ZWRfX716O3EgNNVm+ 0eXP+cmh53Kc3yqUyjNMyebAcrN8g8RAW69gyAfQT/VTY/OrUN/sMWgdYlNFyRwf3l/9wYwZA/G CSlld0WCtVHx8kOHw+2q9eq8m1sVWxK+aCWRzCidYFeDyiJ8kA0b9z1mX7uae9zH73ML/xro3fg aohxhNC0y2/h5t5J4YbkJbCLb6dDzX63rLz5H+hW2+ivaLAVdGmPFDQhqrD3gFcPy51Vy7gDNRI xpa7QQZw2KkWrtkFligDHgrskae7Rm9CUxK8Vp80kcwVXIgqF/LdFUGbzqTqWvhfOEDjHmBK843 yJ/MgbfiSuqb2Y8XY6I7geciUuf49CTqGfRrmItX75hXBmuo8d5ZcHsi0wW76R25FHppiu2qG5E 8Jr6BJu5ox5gKqtrwH5PjRJRn+Kvy90BOCn2qyC/prSZ/9fWavLXSm4kLVkvnC1OqfDvZpM/+YT r0DRa2k21hE0Xn7LmTw== X-Proofpoint-ORIG-GUID: zZ_F3FaVk-l1oUM2Ar4jO2hp6dIcAgeW X-Proofpoint-GUID: zZ_F3FaVk-l1oUM2Ar4jO2hp6dIcAgeW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-05_03,2026-08-04_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608050077 On Wed, Aug 05, 2026 at 11:48:37AM +0200, Mete Durlu wrote: > Implement s390 specific arch_do_panic() instead of using s390 specific > ifdef sections in vpanic() code. > No functional changes. > > Signed-off-by: Mete Durlu > --- > arch/s390/kernel/ipl.c | 6 ++++++ > kernel/panic.c | 3 --- > 2 files changed, 6 insertions(+), 3 deletions(-) > > diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c > index 3c346b02ceb9..31ff7c12c354 100644 > --- a/arch/s390/kernel/ipl.c > +++ b/arch/s390/kernel/ipl.c > @@ -13,6 +13,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -2343,6 +2344,11 @@ static struct notifier_block on_panic_nb = { > .priority = INT_MIN, > }; > > +void arch_do_panic(void) > +{ > + disabled_wait(); > +} > + Please move this to arch/s390/kernel/traps.c somewhere near kernel_stack_invalid() and monitor_event_exception().