WitrynaIs bisection a possibility? Failing that, please see the updated patch below. This adds a few more calls to lockdep_assert_irqs_disabled(), but perhaps more helpfully dumps the current stack of the CPU that the RCU grace-period kthread wants to run on in the case where this kthread has been starved of CPU. Witrynalockdep_assert_irqs_disabled (); ct_nmi_enter ();} /* * * ct_irq_exit - inform RCU that current CPU is exiting irq towards idle * * Exit from an interrupt handler, which might possibly result in entering * idle mode, in other words, leaving the mode in which read-side critical * sections can occur. The caller must have disabled interrupts. *

Lock types and their rules — The Linux Kernel documentation

Witryna#define lockdep_assert_irqs_disabled() do { \ WARN_ONCE(debug_locks && !current->lockdep_recursion && \ - current->hardirqs_enabled, \ + current->hardirqs_enabled … Witrynaacquired while irqs disabled and not in irq context ‘- ... As the name suggests, lockdep_assert_held* family of macros assert that a particular lock is held at a … hubungan kelembagaan ojk

Subject Re: [PATCH 04/19] sched: Prepare for Core-wide rq->lock

Witryna18 lip 2016 · To enable lockdep feature, edit .config file through menuconfig: make menuconfig. And enable following in Hacking Options: 1. [*] Detect Hard and Soft … WitrynaHowever, it is found out that path irq and sched_out are not racing because: path irq is in interrupt context, path sched_out is in interrupt disabled context, at the same pcpu as path irq. Consider path sched_out is the very path that tells lockdep the lock ordering: &rq->__lock --> &per_cpu(wakeup_vcpus_on_cpu_lock, cpu), it's desired for ... WitrynaWhile looking at current_save_and_set_rtlock_wait_state() I'm thinking it really ought to use smp_store_mb(), because something like: current_save_and_set_rtlock_wait_state(); hubungan kelembagaan lan ri