blacklist/timekeeping.h

   1 /* SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
   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 */