[deliverable/lttng-modules.git] / blacklist / timekeeping.h

/* SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
 *
 * blacklist/timekeeping.h
 *
 * Blacklist of kernel for buggy timekeeping implementation.
 *
 * Copyright (C) 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
 */

#ifndef _LTTNG_BLACKLIST_TIMEKEEPING_H
#define _LTTNG_BLACKLIST_TIMEKEEPING_H

#include <lttng-kernel-version.h>

#if ((LTTNG_KERNEL_RANGE(3,10,0, 3,10,14) && !LTTNG_RHEL_KERNEL_RANGE(3,10,0,123,0,0, 3,10,14,0,0,0)) \
	|| LTTNG_KERNEL_RANGE(3,11,0, 3,11,3))
# error "Linux kernels 3.10 and 3.11 introduce a deadlock in the timekeeping subsystem. Fixed by commit 7bd36014460f793c19e7d6c94dab67b0afcfcb7f \"timekeeping: Fix HRTICK related deadlock from ntp lock changes\" in Linux."
#endif

#endif /* _LTTNG_BLACKLIST_TIMEKEEPING_H */
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
9153ad23 JR	2	*
	3	* blacklist/timekeeping.h
	4	*
	5	* Blacklist of kernel for buggy timekeeping implementation.
	6	*
	7	* Copyright (C) 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
	8	*/
	9
	10	#ifndef _LTTNG_BLACKLIST_TIMEKEEPING_H
	11	#define _LTTNG_BLACKLIST_TIMEKEEPING_H
	12
	13	#include <lttng-kernel-version.h>
	14
	15	#if ((LTTNG_KERNEL_RANGE(3,10,0, 3,10,14) && !LTTNG_RHEL_KERNEL_RANGE(3,10,0,123,0,0, 3,10,14,0,0,0)) \
	16	\|\| LTTNG_KERNEL_RANGE(3,11,0, 3,11,3))
	17	# error "Linux kernels 3.10 and 3.11 introduce a deadlock in the timekeeping subsystem. Fixed by commit 7bd36014460f793c19e7d6c94dab67b0afcfcb7f \"timekeeping: Fix HRTICK related deadlock from ntp lock changes\" in Linux."
	18	#endif
	19
	20	#endif /* _LTTNG_BLACKLIST_TIMEKEEPING_H */