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AJvYcCXyfQbkweZsiLco4sGRKx62Bcwa7Q6Am5cuZcP9jqjd74mIPMzbPk4PV/I7AR2KcwFaipYvfZLt9KC+1z3RSCtA0Qs/kZ0jYJip/Yao X-Gm-Message-State: AOJu0YzMzqm4l/+GdcHxkU9EHhc6faUjnKcbzhUKDtWqB091HCPgRMoo g0ZtkIpONJFNg43O1yMbGa7XVHLg0fELaT58FnLvKmAyw67ssHhigZVDEvIfdbteG3+IZf5PZ0y +NKaM09+qs8se5b2R4FNbspeiRTVkZ03wEb4Vsw== X-Received: by 2002:a1f:df03:0:b0:4c0:34e8:d55d with SMTP id w3-20020a1fdf03000000b004c034e8d55dmr356808vkg.11.1707848494292; Tue, 13 Feb 2024 10:21:34 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Naresh Kamboju Date: Tue, 13 Feb 2024 23:51:23 +0530 Message-ID: Subject: WARNING: arch/arm64/kernel/cpufeature.c:3369 this_cpu_has_cap To: Linux ARM , Linux Regressions , open list , lkft-triage@lists.linaro.org Cc: Suzuki K Poulose , Marc Zyngier , Marek Szyprowski , Catalin Marinas Content-Type: text/plain; charset="UTF-8" Following kernel warning notices on all arm64 devices on today's Linux next-20240213 tag. Reported-by: Linux Kernel Functional Testing [ 0.038524] SMP: Total of 6 processors activated. [ 0.038539] CPU: All CPU(s) started at EL2 [ 0.038588] CPU features: detected: 32-bit EL0 Support [ 0.038602] CPU features: detected: 32-bit EL1 Support [ 0.038620] CPU features: detected: CRC32 instructions [ 0.038650] ------------[ cut here ]------------ [ 0.038656] WARNING: CPU: 0 PID: 1 at arch/arm64/kernel/cpufeature.c:3369 this_cpu_has_cap+0x1c/0x70 [ 0.038691] Modules linked in: [ 0.038707] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc4-next-20240213 #1 [ 0.038721] Hardware name: Radxa ROCK Pi 4B (DT) [ 0.038729] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.038744] pc : this_cpu_has_cap+0x1c/0x70 [ 0.038761] lr : has_nv1+0x28/0xe8 . [ 0.039008] Call trace: [ 0.039014] this_cpu_has_cap+0x1c/0x70 [ 0.039031] update_cpu_capabilities+0xd4/0x138 [ 0.039048] setup_system_features+0x38/0x130 [ 0.039075] smp_cpus_done+0x50/0xc8 [ 0.039094] smp_init+0x84/0xa0 [ 0.039109] kernel_init_freeable+0x11c/0x400 [ 0.039126] kernel_init+0x28/0x1f0 [ 0.039148] ret_from_fork+0x10/0x20 [ 0.039167] ---[ end trace 0000000000000000 ]--- Links: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240213/testrun/22596318/suite/log-parser-boot/test/check-kernel-exception/log - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240213/testrun/22596318/suite/log-parser-boot/tests/ This issue has been addressed in the relevant email thread, https://lore.kernel.org/all/0593516b-2419-49b7-83aa-fe189ffad0c2@arm.com/ I will test the corresponding fix patch and get back to you. -- Linaro LKFT https://lkft.linaro.org