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Hrtimer_cancel_wait_running

WebNetdev Archive on lore.kernel.org help / color / mirror / Atom feed * [RFC PATCH net] sfc: Fix use-after-free due to selftest_work @ 2024-04-12 0:50 Ding Hui 2024-04-12 22:34 ` Jacob Keller 2024-04-13 7:37 ` Martin Habets 0 siblings, 2 replies; 7+ messages in thread From: Ding Hui @ 2024-04-12 0:50 UTC (permalink / raw) To: davem, edumazet, kuba, … Web28 sep. 2024 · (In reply to Simone Caronni from comment #1) > Happening here as well. > > Wayland and Fedora 34 on kernel 5.13.19-200.fc34.aarch64. > > And then there's a …

High resolution timers - Marcus Folkesson

WebThis might seem nice, but since kernel modules always run in the background you should keep in mind you don’t want them to use too much CPU time, and you should never ... // … Web* We are using hashed locking: holding per_cpu (hrtimer_bases) [n].lock * means that all timers which are tied to this base via timer->base are * locked, and the base itself is … gothsit emote https://yangconsultant.com

[tip: timers/core] posix-timers: Use a callback for cancel ...

Web4 aug. 2024 · 1.简介. 随着内核不断更新演进，内核对定时器的分辨率要求越来越高。. 硬件的高速发展也逐渐能够满足内核的这一要求，因此内核针对硬件提供的便利，开始设计了更高分辨率的定时器（hrtimer），可达到ns级别。. 本文主要讲解如何使用高精度定时器。. 更多 ... Web处理hrtimer的函数是 __hrtimer_run_queues () ，看看有谁调用该函数： 因此hrtimer的处理有3个入口： 在hrtimer软中断处理程序中，只处理软timer； 在低精度模式下，在每 … Webhrtimers - rounding of timer values ¶ the hrtimer code will round timer events to lower-resolution clocks because it has to. Otherwise it will do no artificial rounding at all. one question is, what resolution value should be returned to … child care icf

C++ (Cpp) hrtimer_cancel Examples - HotExamples

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Hrtimer_cancel_wait_running

hrtimer_cancel (9) — linux-manual-4.8 - manpages.debian.org

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Hrtimer_cancel_wait_running

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Web8 mrt. 2024 · HRTimer APIs hrtimer 초기화 hrtimer_init() kernel/time/hrtimer.c /** * hrtimer_init - initialize a timer to the given clock * @timer: the timer to be initialized * @clock_id: the clock to be used * @mode: The modes which are relevant for intitialization: * HRTIMER_MODE_ABS, HRTIMER_MODE_REL, HRTIMER_MODE_ABS_SOFT, * … WebMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Web19 aug. 2024 · Cleanup timer_wait_running() by using a kclock callback. Get's rid of the ifdeffery and the odd conditionals. Should have thought about this right away. WebThe implementation of the hrtimer based periodic tick is designed to be extended with dynamic tick functionality. This allows to use a single clock event device to schedule high resolution timer and periodic events (jiffies tick, profiling, …

Web23 jul. 2024 · 2.2 hrtimer的到期处理. 高精度定时器系统有3个入口可以对到期定时器进行处理，它们分别是： 没有切换到高精度模式时，在每个jiffie的tick事件中断中进行查询和处 …

WebThe expiration time of the hrtimer will be continuously incremented by the period until it is greater than the current time. If it took more than one addition of the period to get the … child care idahoWeb6 apr. 2024 · > timer_wait_running() must busy loop waiting for the task to complete > the task work. > > We could arrange for doing the same thing as … gothsitWeb* @timer_waiters: A hrtimer_cancel() invocation waits for the timer * callback to finish. * @expires_next: absolute time of the next event, is required for remote * hrtimer enqueue; … child care icelandWeb10 mei 2024 · * * - If the caller originates from the task which preempted the timer * handler on the same CPU, then spin waiting for the timer handler to * complete is never going to end. */ void hrtimer_cancel_wait_running (const struct hrtimer * timer) {/* Lockless read. goth sitesWebIn current implementation, 'hrtimer_cancel()' is used to wait for cancellation of hrtimer. However, as described, this brings endless loop. For this problem, this commit uses 'hrtimer_callback_running()' to detect whether to be on a callback of hrtimer or not, then skip cancellation of hrtimer in hrtimer callbacks. goth sketchbookWebhrtimer_cancel_wait_running. 函数源码. Linux Kernel. v5.5.9. Brick Technologies Co., Ltd. Source File:include\linux\hrtimer.h. Create Date:2024-07-27 06:40:53. goth sketchbook ideasWeb16 feb. 2015 · hrtimer_start (hr_timer, ktime_set (0, timeout), HRTIMER_MODE_REL); And immediatelly after, in less than 1 second, i perform ktime_to_timeval … goths in germany