diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2017-05-08 15:56:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-08 17:15:12 -0700 |
| commit | f61e869d519c0c11a8d80a503cfdfb4897df855a (patch) | |
| tree | 4befe4405314621e224b7118b42632364dc9be52 /Documentation/kernel-per-CPU-kthreads.txt | |
| parent | 8c733420bdd5a6cc2d8540fb5aa32d1fbf3cb3ff (diff) | |
kcov: simplify interrupt check
in_interrupt() semantics are confusing and wrong for most users as it
also returns true when bh is disabled. Thus we open coded a proper
check for interrupts in __sanitizer_cov_trace_pc() with a lengthy
explanatory comment.
Use the new in_task() predicate instead.
Link: http://lkml.kernel.org/r/20170321091026.139655-1-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: James Morse <james.morse@arm.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kernel-per-CPU-kthreads.txt')
0 files changed, 0 insertions, 0 deletions