Hwspinlock

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August undefined, 2024

Web31 jan. 2011 · This patch set adds hwspinlock framework that makes it possible for drivers to use those hwspinlock devices and stay platform-independent. Currently there are two use cases for this hwspinlock interface: 1. Inter-processor communications: on OMAP4, cpu-intensive multimedia tasks are offloaded by the host to the remote M3 and/or C64x+ … WebHardware spinlock modules provide hardware assistance for synchronization and mutual exclusion between heterogeneous processors and those not operating under a single, …

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WebSince no sw spinlock guards the hwspinlock, it is the responsibility of the platform driver to ensure that an unique value is written to the hwspinlock to ensure locking correctness. Drivers may use hwspin_trylock_raw() and hwspin_unlock_raw() api to lock and unlock a hwlock with raw capability. Web4 dec. 2024 · This driver is the first step to enable hwspinlock support in Linux, but also needs support on the OpenRisc core side in the crust firmware. This patch provides the … arizlu guadalajara

Folder: hwspinlock Debian Sources

Web26 apr. 2024 · hwspinlock is dynamically assigned: before it can be used to achieve mutual exclusion with a remote cpu, the id number should be communicated to the remote task … Weblinux 4.9.18-1~bpo8%2B1. links: PTS, VCS area: main; in suites: jessie-backports; size: 812,004 kB; sloc: ansic: 14,480,472; asm: 287,165; makefile: 35,234; perl ... arizona 14u baseball tournament

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Hardware Spinlock Framework — The Linux Kernel …

Webstruct hwspinlock_device {struct device *dev; const struct hwspinlock_ops *ops; int base_id; int num_locks; struct hwspinlock lock[];}; static inline int hwlock_to_id (struct hwspinlock … WebChanges since v5: - Dropped all but hwspinlock specific dt bindings - Hardcoded the number of locks (there is 32) - Rework to sit ontop of syscon Changes since v4: - Aligned with devicetree support in hwlock framework and hence depends on [1] Changes since v3: - Reverted back to getting stride from of_match, per Kumars request Changes since v2: - … arizmendi san rafael menuWeb31 #define HWSPINLOCK_UNUSED (0) /* tags an hwspinlock as unused */ 32. 33 /* 34 * A radix tree is used to maintain the available hwspinlock instances. 35 * The tree associates hwspinlock pointers with their integer key id, 36 * and provides easy-to-use API which makes the hwspinlock core code simple. arizona 3b elk hunting

"Web* struct hwspinlock_pdata - platform data for hwspinlock drivers * @base_id: base id for this hwspinlock device * * hwspinlock devices provide system-wide hardware locks that are used * by remote processors that have no other way to achieve synchronization. * * To achieve that, each physical lock must have a system-wide id number " - Hwspinlock

Hwspinlock

WebFrom: Fabien Dessenne To: Ohad Ben-Cohen , Bjorn Andersson , Maxime Coquelin , Alexandre Torgue , , , … Webpackage info (click to toggle) linux 3.16.39-1. links: PTS, VCS area: main; in suites: jessie-backports; file content (601 lines) stat: -rw-r--r-- 18,002 bytes

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Web23 mrt. 2011 · A generic hwspinlock framework allows platform-independent drivers to use the hwspinlock device in order to access data structures that are shared between remote … Web* hwspinlock devices provide system-wide hardware locks that are used * by remote processors that have no other way to achieve synchronization. * To achieve that, each …

Web25 jan. 2024 · find likely ancestor, descendant, or conflicting patches for this message : dfblob:e8b16665860 dfblob:28769aa7fed. ( help) Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox ... WebRaspberry PI Kernel version used by Volumio. Contribute to volumio/pi-kernel development by creating an account on GitHub.

WebHardware spinlock modules provide hardware assistance for synchronization and mutual exclusion between heterogeneous processors and those not operating under a single, shared operating system. For example, OMAP4 has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP, each of which is running a different Operating System (the master, A9, is … WebCONFIG_HWSPINLOCK is built-in and CONFIG_HWSPINLOCK_OMAP can be selected to be built-in or as a module 1. Select the following during kernel menuconfig and build the …

WebA generic hwspinlock framework allows platform-independent drivers to use the hwspinlock device in order to access data structures that are shared between remote processors, …

Web* hwspinlock devices provide system-wide hardware locks that are used * by remote processors that have no other way to achieve synchronization. * To achieve that, each … arizmendi oakland menuWebLinux kernel tree for laptop: Jason A. Donenfeld: about summary refs log tree commit diff stats bal gandharva rang mandirWeb* [PATCH v2 1/5] dt-bindings: hwlock: sun6i: Add missing #hwlock-cells 2024-02-15 20:37 [PATCH v2 0/5] Enable hwlock on Allwinner A64 Bastian Germann @ 2024-02-15 20:37 ` Bastian Germann 2024-02-15 20:37 ` [PATCH v2 2/5] dt-bindings: hwlock: sun6i: Add #hwlock-cells to example Bastian Germann ` (3 subsequent siblings) 4 siblings, 0 … balgandharva rang mandir puneWebLinux kernel source tree. Contribute to torvalds/linux development by creating an account on GitHub. bal gandharva puneWeb10 apr. 2024 · Add hwspinlock Linux Driver to Petalinux project. I would like to add a hwspinlock like this to my Petalinux Project for controlling the xilinx mutex on an fpga. I … balgandharva rang mandirWeb23 nov. 2010 · Because of that, we can safely treat the hwspinlock like we do with regular spinlocks: preemption should be disabled, but whether to disable interrupts or not is up to the caller. So despite the TRM's recommendation to always disable local interrupts when taking an OMAP Hardware Spinlock, I have ... arizona aau basketball rankingsWebhwspinlock_core.c source code [linux/drivers/hwspinlock/hwspinlock_core ... ... About. Contact arizmendi bakery menu