Flush_workqueue

Author: ihie

August undefined, 2024

WebSep 30, 2002 · Subject: [patch] generic work queue handling, workqueue-2.5.39-D6. Date: Mon, 30 Sep 2002 18:04:31 +0200 (CEST) Cc: [email protected]. the attached patch (against BK-curr) cleans up the impact of the removal of task-queue support. It merges kernel/context.c (keventd) and the old task-queue concept into a unified 'work … WebDec 6, 2024 · Kernel.org Bugzilla – Bug 202403 WARNING: CPU: 4 PID: 4881 at kernel/workqueue.c:2440 check_flush_dependency+0xb2/0x130 Last modified: 2024 …

[PATCH 18/21] workqueue: reimplement workqueue flushing …

WebOn Wed, 6 Dec 2006 17:26:14 -0700 Bjorn Helgaas wrote: > I'm seeing a workqueue-related deadlock. This is on an ia64 > box running SLES10, but it looks like the same problem should > be possible in current upstream on any architecture. > Here are the two tasks involved: > events/4: > schedule > __down > __lock_cpu_hotplug … Webflush_workqueue() and kthread_stop() directly and kill cleanup_workqueue_thread(). As workqueue flushing doesn't use barrier request anymore, the comment describing the complex synchronization around it in cleanup_workqueue_thread() is removed together with the function. danish origin country

Re: 2.6.18.4: flush_workqueue calls mutex_lock in …

WebPNG, GIF, JPG, or BMP. File must be at least 160x160px and less than 600x600px. WebMar 8, 2005 · After flush_workqueue() returns, the work function is guaranteed not to be running anywhere in the system. There is one remaining obnoxious detail, however: what if the work function resubmits itself to the workqueue while it is running? In this case, that function could run again when the rest of the kernel least expects it - possibly after ... WebOct 5, 2024 · Delete work from workqueue. There are also a number of helper functions that you can use to flush or cancel work on work queues. To flush a particular work item … birthday cards for women 66th

Driver porting: the workqueue interface. [LWN.net]

[v6.1] possible deadlock in hci_conn_hash_flush

WebJun 13, 2008 · Add the new helper, flush_work(work), which waits for the completion of the specific work_struct. By its nature it requires that this work must not be re-queued, and … WebDeferred work is a class of kernel facilities that allows one to schedule code to be executed at a later timer. This scheduled code can run either in the process context or in … danish orthography wikipediaWeb'destroy_workqueue()' already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant 'flush_workqueue()' calls. This was generated with coccinelle: @@ expression E; @@ - flush_workqueue(E); destroy_workqueue(E); Signed-off-by: Christophe JAILLET --- danish orthography

"Webled_workqueue is involved in updating LEDs queues &led->work per asus_led. The led_workqueue has multiple work items which can be run concurrently. The dedicated workqueue is kept so that the work items can be flushed as a group. Since it is not being used on a memory reclaim path, WQ_MEM_RECLAIM has not been set. " - Flush_workqueue

Flush_workqueue

[PATCH 2/4] workqueue: cleanup flush/cancel functions - IU

WebAug 8, 2024 · 0. If you need to cancel a work entry submitted to the shared queue, you may use cancel_delayed_work. If you want to flush the shared workqueue requires a … Web"INFO: task foo:666 blocked for more than 120 seconds." message on console or logs. Tasks stuck while waiting for completion of delayed work. Server hung or panicked with following messages: INFO:

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WebMake the following cleanup changes. * Relocate flush/cancel function prototypes and definitions. try_to_grab_pending (). These will be used to implement. flush_work_sync (). actually waited. * Add / update comments. This patch doesn't cause any functional changes. * it returns 1 and the work doesn't re-arm itself. WebOn Wed, 6 Dec 2006 17:26:14 -0700 Bjorn Helgaas wrote: > I'm seeing a workqueue-related deadlock. This is on an ia64 > box running SLES10, but it …

WebNetdev Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v2] wwan_hwsim: Avoid flush_scheduled_work() usage @ 2024-04-22 3:01 Tetsuo Handa 2024-04-22 6:38 ` Loic Poulain 2024-04-25 19:11 ` Jakub Kicinski 0 siblings, 2 replies; 4+ messages in thread From: Tetsuo Handa @ 2024-04-22 3:01 UTC (permalink / raw) To: … WebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA

WebDec 13, 2006 · It seems utterly insane to have aio_complete() flush a workqueue. That function has to be called from a number of different environments, including non-sleep tolerant environments. For instance it means that directIO on NFS will now cause the rpciod workqueues to call flush_workqueue(aio_wq), thus slowing down all RPC activity. Trond- WebSep 7, 2010 · To that end, the per-workqueue kernel threads are gone, replaced by a central set of threads with names like [kworker/0:0]; workqueue tasks are then dispatched to the threads via an algorithm which tries to keep exactly one task running on each CPU at all times. ... For example, the block layer maintains a set of threads with names like flush …

WebNetdev Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v0] nfc: nci: add flush_workqueue to prevent uaf @ 2024-04-12 16:04 Lin Ma 2024-04-13 6:57 ` Krzysztof Kozlowski ` (2 more replies) 0 siblings, 3 replies; 6+ messages in thread From: Lin Ma @ 2024-04-12 16:04 UTC (permalink / raw) To: krzk, davem, kuba, pabeni, netdev, linux …

Weballoc_workqueue ( const char *fmt, unsigned int flags, int max_active, ...); * Allocate an ordered workqueue. An ordered workqueue executes at. * most one work item at any … danish ossiWebEDAC workqueue destruction is really fragile. We cancel delayed work but if it is still running and requeues itself, we still go ahead and destroy the workqueue and the queued work explodes when workqueue core attempts to run it. danish osceWebSo instead bail out with -ENOMEM in bcm2835_audio_open() if alloc_workqueue() fails, and remove the now pointless checks for a NULL workqueue. While at it, get rid of the rather pointless one-line function my_workqueue_init(). birthday cards for year of birthWeb"INFO: task foo:666 blocked for more than 120 seconds." message on console or logs. Tasks stuck while waiting for completion of delayed work. Server hung or panicked with … birthday cards for women daughter in lawWebOn Wed, Dec 06, 2006 at 05:26:14PM -0700, Bjorn Helgaas wrote: > loadkeys is holding the cpu_hotplug lock (acquired in flush_workqueue()) > and waiting in flush_cpu_workqueue() until the cpu_workqueue drains. > But events/4 is responsible for draining it, and it is blocked waiting > to acquire the cpu_hotplug lock. > In current … birthday cards for women with catsWebNov 1, 2003 · void flush_workqueue(struct workqueue_struct *wq) This function waits until all queued work on the wq work queue has completed before returning. Conclusion. The work queue interface has been a part of the kernel since 2.5.41. In that time, a large number of drivers and subsystems have made it their method of deferring work. But is it … birthday cards for your brotherWebJul 29, 2024 · Hello, syzbot found the following issue on: HEAD commit: 6498f6151825 Merge tag 'riscv-for-linus-5.14-rc3' of git:/.. git tree: upstream danish outdoor chairs