include/blacklist/kprobes.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
   2  *
   3  * blacklist/kprobes.h
   4  *
   5  * Blacklist of kernel for buggy kprobes implementation.
   6  *
   7  * Copyright (C) 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
   8  */
   9
  10 #ifndef _LTTNG_BLACKLIST_KPROBES_H
  11 #define _LTTNG_BLACKLIST_KPROBES_H
  12
  13 #include <lttng/kernel-version.h>
  14
  15 #if LTTNG_KERNEL_RANGE(4,20,0, 4,20,13) \
  16         || LTTNG_KERNEL_RANGE(4,19,9, 4,19,26) \
  17         || LTTNG_KERNEL_RANGE(4,14,87, 4,14,104)
  18 # if defined(CONFIG_ARM) && defined(CONFIG_OPTPROBES)
  19 #  error "Your kernel is known to have buggy optimized kprobes implementation. Fixed by commit 0ac569bf6a7983c0c5747d6df8db9dc05bc92b6c \"ARM: 8834/1: Fix: kprobes: optimized kprobes illegal instruction\" in Linux. Disable CONFIG_OPTPROBES or upgrade your kernel."
  20 # endif /* #if defined(CONFIG_ARM) && defined(CONFIG_OPTPROBES) */
  21 #endif
  22
  23 #endif /* _LTTNG_BLACKLIST_KPROBES_H */