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nvgpu: pmu: cleanup init thread on destroy

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In nvgpu_kill_task_pg_init(), call nvgpu_thread_join()
if the init thread is no longer running in order to
reclaim thread resources.

Bug 2452799
JIRA ESRM-437

Change-Id: Id9c67f689027f00039ac2df226ee9c28ad89dd1d
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1967983
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Peter Daifuku
2018-12-07 11:04:07 -08:00
committed by mobile promotions
parent d921afd0ce
commit ebf874c351
4 changed files with 25 additions and 1 deletions
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10
drivers/gpu/nvgpu/os/linux/thread.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2017-2018, 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,
@@ -17,6 +17,7 @@
#include <linux/kthread.h>
#include <nvgpu/thread.h>
#include <nvgpu/timers.h>
int nvgpu_thread_proxy(void *threaddata)
{
@@ -61,3 +62,10 @@ bool nvgpu_thread_is_running(struct nvgpu_thread *thread)
{
return ACCESS_ONCE(thread->running);
};
void nvgpu_thread_join(struct nvgpu_thread *thread)
{
while (ACCESS_ONCE(thread->running)) {
nvgpu_msleep(10);
}
};