e28024fbad
The DRM drivers use the lockdep assertion macros with spinlock_t locks which are backed by mutexes, not sx locks. This causes compile failures since you can't use sx_assert with a mutex. Instead, change the lockdep macros to use lock_class methods. This works by assuming that each LinuxKPI locking primitive embeds a FreeBSD lock as its first structure and uses a cast to get to the underlying 'struct lock_object'. Reviewed by: hselasky MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D20992 |
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