2024 Lockdep_assert_irqs

Lockdep_assert_irqs_disabled

Author: lrrn

August undefined, 2024

WitrynaLKML Archive on lore.kernel.org help / color / mirror / Atom feed From: Peter Zijlstra To: [email protected], [email protected], [email protected] Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], … WitrynaExtend the lockdep API with macros asserting that preemption is disabled or enabled. If lockdep is disabled, or if the underlying architecture does not support kernel …

lockdep_assert_held identifier - Linux source code (v6.0) - Bootlin

WitrynaLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA Witryna#define lockdep_assert_irqs_disabled() do { \ WARN_ONCE(debug_locks && !current->lockdep_recursion && \ - current->hardirqs_enabled, \ + current->hardirqs_enabled … refresh media player library

linux/context_tracking.c at master · torvalds/linux · GitHub

Witrynalockdep 死锁检测模块. 介绍了最简单的 ABBA 死锁的形成，回到正题，回到 kernel, 里面有千千万万锁，错综复杂，也不可能要求所有开发人员熟悉 spin_lock, spin_lock_irq, … 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 … Witryna2 lut 2024 · In other words, when the corresponding local_irq_enable function gets called, it will forcibly re-enable IRQs (whether they were already disabled or not). On the other hand, ... of the structure, but accesses to other fields doesn't require the lock. As for lockdep_assert_held call inside update_rq_clock, ... refresh me app

File: 0030-drm-i915-Drop-the-irqs_disabled-check.patch

linux/entry-common.c at master · torvalds/linux · GitHub

Witryna4 maj 2024 · lockdep_assert_irqs_disabled(); if (rq_order_less(rq2, rq1)) swap(rq1, rq2); raw_spin_rq_lock(rq1); if (rq_lockp(rq1) == rq_lockp(rq2)) return; … 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. * refresh mega 3 with flaxseed oilWitrynaThis is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.mirroring instructions on how to clone and mirror all data and code used by this external index. refresh memory evidence

"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 certain time (and generate a WARN() otherwise). This annotation is largely used all over the kernel, e.g. kernel/sched/ core.c: ... " - Lockdep_assert_irqs_disabled

Lockdep_assert_irqs_disabled

c - Is calling spin_lock_irqsave, instead of local_irq_disable followed ...

WitrynaInterrupt pipeline for PowerPC (32bit) 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.

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WitrynaSee idt_setup_early_pf () for details. * cpu_init () is invoked. Interrupt stacks cannot be used at that point and. * set up TSS. * before cpu_init () is invoked and sets up TSS. The IST variants are. * installed after that. * stacks work only after cpu_init (). * cpu_init () is invoked and sets up TSS. Witryna24 maj 2024 · 这么做的原因是因为在他一旦调用 local_softirq_pending () 函数检测到有 pending 的软中断需要处理的时候，则会显示的调用 do_softirq () 来处理软中断。. 也就是说，下面代码唤醒的 ksoftirqd 线程有可能会回到这个函数当中来，尤其是在系统需要响应非常多软中断的 ...

WitrynaThe lockdep annotation below already check if the lock has been acquired by the caller and will yell if the interrupts are not disabled. Remove the !irqs_disabled() check. Witryna[PREEMPT_RT PATCH 2/3] i915: convert all irq_locks spinlocks to raw spinlocks From: Clark Williams Date: Mon Aug 19 2024 - 20:33:36 EST Next message: Clark Williams: "[PREEMPT_RT PATCH 3/3] i915: convert uncore lock to raw spinlock" Previous message: Clark Williams: "[PREEMPT_RT PATCH 1/3] i915: do not call …

WitrynaLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v4 0/8] lockdep: Change IRQ state tracking to use per-cpu variables @ 2024-06-23 8:36 Peter Zijlstra 2024-06-23 8:36 ` [PATCH v4 1/8] lockdep: Prepare for NMI IRQ state tracking Peter Zijlstra ` (7 more replies) 0 siblings, 8 replies; 40+ messages in thread From: … 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 certain time (and generate a WARN() otherwise). This annotation is largely used all over the kernel, e.g. kernel/sched/ core.c: ...

Witryna>> Also an irq disable probe that does a lockdep assert that irqs are >> disabled could trigger it? >> > >You mean if someone add a tracepoint callback to the irq disable >tracepoint, and did a lockdep assert to make sure interrupts are >disabled? Yes that's what I meant. Thanks, - Joel -- Sent from my Android device with K-9 Mail.

WitrynaElixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, C ... refresh memory中文Witryna* [PATCH v2 1/4] lockdep: Add assertion to check if in an interrupt @ 2024-03-26 19:24 Joel Fernandes (Google) 2024-03-26 19:24 ` [PATCH v2 2/4] rcutree: Add checks for dynticks counters in rcu_is_cpu_rrupt_from_idle Joel Fernandes (Google) ` (2 more replies) 0 siblings, 3 replies; 11+ messages in thread From: Joel Fernandes (Google) … refresh mental health addressWitrynaWhile 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(); refreshment abbreviationWitryna18 lip 2016 · To enable lockdep feature, edit .config file through menuconfig: make menuconfig. And enable following in Hacking Options: 1. [*] Detect Hard and Soft … refresh memory meaningWitrynaThe lockdep annotation below already check if the lock has been acquired by the caller and will yell if the interrupts are not disabled. Remove the !irqs_disabled() check. refresh me groupWitryna2 kwi 2024 · 985427f997b6a3 Maulik Shah 2024-04-12 @441 lockdep_assert_irqs_disabled(); 985427f997b6a3 Maulik Shah 2024-04-12 442 d2a8cfc6f32026 Douglas Anderson 2024-05-04 443 /* d2a8cfc6f32026 Douglas Anderson 2024-05-04 444 * Currently rpmh_flush() is only called when we think we're … refresh medispa galveston texasWitrynaIf lockdep is enabled the local_lock gains a lockmap which allows to validate the correctness of the protection. This can detect cases where e.g. a function using … refresh marketing twin falls