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Revision 72464382fc2d3673eb51f21a57f2c0a320c1552f authored by Christian König on 18 March 2019, 10:09:54 UTC, committed by Alex Deucher on 19 March 2019, 19:01:42 UTC 
drm/amdgpu: fix invalid use of change_bit
 
We only need to clear the bit in a 32bit integer.

This fixes a crah on ARM64 and PPC64LE caused by
"drm/amdgpu: update the vm invalidation engine layout V2"

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 parent 39bbd33
Raw File
test_klp_callbacks_busy.c 
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/workqueue.h>
#include <linux/delay.h>

static int sleep_secs;
module_param(sleep_secs, int, 0644);
MODULE_PARM_DESC(sleep_secs, "sleep_secs (default=0)");

static void busymod_work_func(struct work_struct *work);
static DECLARE_DELAYED_WORK(work, busymod_work_func);

static void busymod_work_func(struct work_struct *work)
{
	pr_info("%s, sleeping %d seconds ...\n", __func__, sleep_secs);
	msleep(sleep_secs * 1000);
	pr_info("%s exit\n", __func__);
}

static int test_klp_callbacks_busy_init(void)
{
	pr_info("%s\n", __func__);
	schedule_delayed_work(&work,
		msecs_to_jiffies(1000 * 0));
	return 0;
}

static void test_klp_callbacks_busy_exit(void)
{
	cancel_delayed_work_sync(&work);
	pr_info("%s\n", __func__);
}

module_init(test_klp_callbacks_busy_init);
module_exit(test_klp_callbacks_busy_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Joe Lawrence <joe.lawrence@redhat.com>");
MODULE_DESCRIPTION("Livepatch test: busy target module");
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