Roger Pau Monné 531cfe55e2 x86/intr: allow mutex recursion in intr_remove_handler
This is needed so interrupt handlers can be removed while the PIC is
resuming, it was previously not possible due to intr_resume holding the
intr_table_lock and intr_remove_handler recursing on it.

Sponsored by:		Citrix Systems R&D
Reviewed by:		kib (previous version)
MFC after:		2 weeks
Differential Revision:	https://reviews.freebsd.org/D4114
2015-11-18 18:09:49 +00:00
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