11 Aug
2014
11 Aug
'14
11:45 a.m.
On Sun, 10 Aug 2014, Guenter Roeck wrote:
spin_is_locked() always returns false in uniprocessor configurations and can therefore not be used with BUG_ON. Replace it with assert_spin_locked(), which exists for that very purpose.
It may be helpful to assess whether any of these sites should be converted to lockdep_assert_held() so they have no cost when lockdep isn't enabled but still reveal problems when debugging.