ci: Fix: Fetch latest codebase before running checkers #13
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Need rebase and latest codebase for kernel checkers Signed-off-by: Vishal Kumar <viskuma@qti.qualcomm.com>
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Jul 7, 2025
The OP-TEE driver registers the function notif_callback() for FF-A notifications. However, this function is called in an atomic context leading to errors like this when processing asynchronous notifications: | BUG: sleeping function called from invalid context at kernel/locking/mutex.c:258 | in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 9, name: kworker/0:0 | preempt_count: 1, expected: 0 | RCU nest depth: 0, expected: 0 | CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.14.0-00019-g657536ebe0aa #13 | Hardware name: linux,dummy-virt (DT) | Workqueue: ffa_pcpu_irq_notification notif_pcpu_irq_work_fn | Call trace: | show_stack+0x18/0x24 (C) | dump_stack_lvl+0x78/0x90 | dump_stack+0x18/0x24 | __might_resched+0x114/0x170 | __might_sleep+0x48/0x98 | mutex_lock+0x24/0x80 | optee_get_msg_arg+0x7c/0x21c | simple_call_with_arg+0x50/0xc0 | optee_do_bottom_half+0x14/0x20 | notif_callback+0x3c/0x48 | handle_notif_callbacks+0x9c/0xe0 | notif_get_and_handle+0x40/0x88 | generic_exec_single+0x80/0xc0 | smp_call_function_single+0xfc/0x1a0 | notif_pcpu_irq_work_fn+0x2c/0x38 | process_one_work+0x14c/0x2b4 | worker_thread+0x2e4/0x3e0 | kthread+0x13c/0x210 | ret_from_fork+0x10/0x20 Fix this by adding work queue to process the notification in a non-atomic context. Fixes: d0476a5 ("optee: ffa_abi: add asynchronous notifications") Cc: stable@vger.kernel.org Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20250602120452.2507084-1-jens.wiklander@linaro.org Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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The commit 86bc882 ("staging: vchiq_arm: Create keep-alive thread during probe") introduced a regression for certain configurations, which doesn't have a VCHIQ user. This results in a unused and hanging keep-alive thread: INFO: task vchiq-keep/0:85 blocked for more than 120 seconds. Not tainted 6.12.34-v8-+ #13 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:vchiq-keep/0 state:D stack:0 pid:85 tgid:85 ppid:2 Call trace: __switch_to+0x188/0x230 __schedule+0xa54/0xb28 schedule+0x80/0x120 schedule_preempt_disabled+0x30/0x50 kthread+0xd4/0x1a0 ret_from_fork+0x10/0x20 Fixes: 86bc882 ("staging: vchiq_arm: Create keep-alive thread during probe") Reported-by: Maíra Canal <mcanal@igalia.com> Closes: https://lore.kernel.org/linux-staging/ba35b960-a981-4671-9f7f-060da10feaa1@usp.br/ Cc: stable@kernel.org Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Reviewed-by: Maíra Canal <mcanal@igalia.com> Link: https://lore.kernel.org/r/20250715161108.3411-3-wahrenst@gmx.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Need rebase and latest codebase for kernel checkers