From fc95237cf08975983634fd6d3ad85634f80a8a55 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Tue, 25 Apr 2017 09:00:47 -0700 Subject: gpu: nvgpu: Abstract threads Add abstraction for threads. Implement them using kthreads in Linux kernel. JIRA NVGPU-14 Change-Id: I26996d844db6bdc4b5e6f3230514a1dadb3fb07c Signed-off-by: Terje Bergstrom Reviewed-on: http://git-master/r/1469636 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/common/linux/thread.c | 42 +++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 drivers/gpu/nvgpu/common/linux/thread.c (limited to 'drivers/gpu/nvgpu/common') diff --git a/drivers/gpu/nvgpu/common/linux/thread.c b/drivers/gpu/nvgpu/common/linux/thread.c new file mode 100644 index 00000000..d37b2a10 --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/thread.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +#include + +int nvgpu_thread_create(struct nvgpu_thread *thread, + void *data, + int (*threadfn)(void *data), const char *name) +{ + struct task_struct *task = kthread_create(threadfn, data, name); + if (IS_ERR(task)) + return PTR_ERR(task); + + thread->task = task; + wake_up_process(task); + return 0; +}; + +void nvgpu_thread_stop(struct nvgpu_thread *thread) +{ + kthread_stop(thread->task); +}; + +bool nvgpu_thread_should_stop(struct nvgpu_thread *thread) +{ + return kthread_should_stop(); +}; -- cgit v1.2.2