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| author | Masami Hiramatsu | 2017-09-19 11:59:39 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2017-09-28 09:23:03 +0200 |
| commit | cd52edad55fbcd8064877a77d31445b2fb4b85c3 (patch) | |
| tree | 5d27bbddf52356a31e32bd0ccb19a03442707a24 /kernel/kprobes.c | |
| parent | kprobes: Improve smoke test to check preemptibility (diff) | |
| download | kernel-qcow2-linux-cd52edad55fbcd8064877a77d31445b2fb4b85c3.tar.gz kernel-qcow2-linux-cd52edad55fbcd8064877a77d31445b2fb4b85c3.tar.xz kernel-qcow2-linux-cd52edad55fbcd8064877a77d31445b2fb4b85c3.zip | |
kprobes/x86: Move the get_kprobe_ctlblk() into irq-disabled block
Since get_kprobe_ctlblk() accesses per-cpu variables
which calls smp_processor_id(), it must be called under
preempt-disabled or irq-disabled.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.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/150581517952.32348.2655896843219158446.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/kprobes.c')
0 files changed, 0 insertions, 0 deletions