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linux-sg2042/kernel/rcu
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Masami Hiramatsu a39f15b964 kprobes: Prohibit probing on RCU debug routine 
Since kprobe itself depends on RCU, probing on RCU debug
routine can cause recursive breakpoint bugs.

Prohibit probing on RCU debug routines.

int3
 ->do_int3()
   ->ist_enter()
     ->RCU_LOCKDEP_WARN()
       ->debug_lockdep_rcu_enabled() -> int3

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrea Righi <righi.andrea@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/154998807741.31052.11229157537816341591.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 		2019-02-13 08:16:40 +01:00
..
Kconfig rcu: Clean up flavor-related definitions and comments in Kconfig 2018-08-30 16:03:32 -07:00
Kconfig.debug rcu: Move RCU debug Kconfig options to kernel/rcu 2017-06-08 18:52:44 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rcu.h rcutorture: Dump grace-period diagnostics upon forward-progress OOM 2018-12-01 12:45:36 -08:00
rcu_segcblist.c rcu: Simplify and inline cpu_needs_another_gp() 2018-05-15 10:30:59 -07:00
rcu_segcblist.h rcu: Simplify and inline cpu_needs_another_gp() 2018-05-15 10:30:59 -07:00
rcuperf.c Merge branches 'doc.2018.08.30a', 'dynticks.2018.08.30b', 'srcu.2018.08.30b' and 'torture.2018.08.29a' into HEAD 2018-08-30 16:12:53 -07:00
rcutorture.c rcutorture: Don't do busted forward-progress testing 2018-12-01 12:45:42 -08:00
srcutiny.c srcu: Use "ssp" instead of "sp" for srcu_struct pointer 2018-11-27 09:24:17 -08:00
srcutree.c srcu: Use "ssp" instead of "sp" for srcu_struct pointer 2018-11-27 09:24:17 -08:00
sync.c Merge branches 'bug.2018.11.12a', 'consolidate.2018.12.01a', 'doc.2018.11.12a', 'fixes.2018.11.12a', 'initrd.2018.11.08b', 'sil.2018.11.12a' and 'srcu.2018.11.27a' into HEAD 2018-12-01 12:43:16 -08:00
tiny.c Merge branches 'doc.2018.08.30a', 'dynticks.2018.08.30b', 'srcu.2018.08.30b' and 'torture.2018.08.29a' into HEAD 2018-08-30 16:12:53 -07:00
tree.c x86/kprobes: Prohibit probing on functions before kprobe_int3_handler() 2019-02-13 08:16:39 +01:00
tree.h rcutorture: Print time since GP end upon forward-progress failure 2018-12-01 12:45:40 -08:00
tree_exp.h rcu: Speed up expedited GPs when interrupting RCU reader 2018-11-12 09:03:59 -08:00
tree_plugin.h rcu: Account for nocb-CPU callback counts in RCU CPU stall warnings 2018-12-01 12:45:37 -08:00
update.c kprobes: Prohibit probing on RCU debug routine 2019-02-13 08:16:40 +01:00