Spin_lock_irqsave 5.15
Webspinlockによるプロセッサ間の排他も必要。 このためにspin_lock_irqsave ()が用意されており、cli ()は意味がなくなったため消された。 2.4では全CPUで割り込みを禁止していた。 (RemoteCPUでは割り込みハンドラ実行を遅延させている) プロセッサ間の排他制御 (スピンロック) spin_lock () SpinLock取得 取得できるまでSpin spin_lock_irqsave () LocalCPUに … WebWe hold sport->port.lock in position (1) of thread 1 and use del_timer_sync() to wait timer to stop, but timer handler also need sport->port.lock in position (2) of thread 2. As a result, sa1100_set_termios() will block forever. This patch moves del_timer_sync() before spin_lock_irqsave() in order to prevent the deadlock.
Spin_lock_irqsave 5.15
Did you know?
WebBlue Cross Blue Shield of Massachusetts brings health insurance plans, medical claims, insurance coverage, benefits and telehealth via MyBlue Web & App WebCurrent member names for mutex/spinlock are a little confusing. Change the {struct mutex lock; spinlock_t curr_lock;} to {struct mutex mutex; spinlock_t lock;} So that the code is cleaner and easier to read. Signed-off-by: Feng Tang Signed-off-by: Rafael J. Wysocki
WebDec 20, 2024 · Patch puts content of cdnsp_gadget_pullup function inside spin_lock_irqsave and spin_lock_restore section. This construction is required here to keep the data … WebSubject: [PATCH 5.15 069/567] wifi: rtlwifi: rtl8723be: dont call kfree_skb() under spin_lock_irqsave(); From: Greg Kroah-Hartman ; Date: Tue, 7 Mar 2024 17:56:45 +0100; Cc: Greg Kroah-Hartman , patches@xxxxxxxxxxxxxxx, Yang Yingliang , Ping-Ke Shih …
WebStable Archive on lore.kernel.org help / color / mirror / Atom feed From: Greg Kroah-Hartman To: [email protected] Cc: Greg Kroah-Hartman , [email protected], Slawomir Laba , Phani Burra , Jacob Keller … WebOn 11/12/15 15:38, Marek Szyprowski wrote: > It is allowed to enable/disable clocks from interrupts, so common Exynos > ARM clock management code for CPUfreq should use 'irqsave' version of > spin_lock calls to avoid potential deadlock caused by spin_lock recursion. > The same spin_lock is used by gate/mux clocks during enable/disable calls. > …
Web[prev in list] [next in list] [prev in thread] [next in thread] List: linux-kernel Subject: [PATCH 5.15 087/262] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt From: Greg Kroah-Hartman Date: 2024-03-07 9:17:11 Message-ID: 20240307091704.936659224 linuxfoundation ! org [Download RAW …
Weba tmp list, then free them after spin_unlock_irqrestore() at once. Fixes: 66ba215cb513 ("neigh: fix possible DoS due to net iface start/stop loop") Suggested-by: Denis V. Lunev Signed-off-by: Yang Yingliang Reviewed-by: Nikolay Aleksandrov oregon state football vs utahWeb- spin_lock(&crtc->dev->event_lock); + spin_lock_irqsave(&crtc->dev->event_lock, flags); if (drm_crtc_vblank_get(crtc) != 0) drm_crtc_send_vblank_event(crtc, crtc->state->event); … how to update an assembly in inventorWebStable Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 5.15 000/146] 5.15.105-rc1 review @ 2024-03-28 14:41 Greg Kroah-Hartman 2024-03-28 14:41 ` [PATCH 5.15 001/146] interconnect: qcom: osm-l3: fix icc_onecell_data allocation Greg Kroah-Hartman ` (153 more replies) 0 siblings, 154 replies; 157+ messages in thread From: Greg … oregon state football walk on tryouts 2018WebLesson 1: Spin locks ¶. The most basic primitive for locking is spinlock: static DEFINE_SPINLOCK (xxx_lock); unsigned long flags; spin_lock_irqsave (&xxx_lock, flags); … how to update an array in mongooseWebDec 20, 2024 · spin_lock_irqsave and spin_lock_restore section. This construction is required here to keep the data consistency, otherwise some data can be changed e.g. from interrupt context. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Reported-by: Ken (Jian) He cc: … how to update an apple ipadWebApr 11, 2024 · From: Wedson Almeida Filho <> Subject [PATCH v4 07/13] rust: lock: implement `IrqSaveBackend` for `SpinLock` Date: Tue, 11 Apr 2024 02:45:37 -0300 oregon state football transfer portal 2022Web[prev in list] [next in list] [prev in thread] [next in thread] List: linux-kernel Subject: [PATCH 5.15 087/262] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt … oregon state football vs hawaii