Mark Johnston 29f4e216f2 Rename the kld_unload event handler to kld_unload_try, and add a new ... kld_unload event handler which gets invoked after a linker file has been successfully unloaded. The kld_unload and kld_load event handlers are now invoked with the shared linker lock held, while kld_unload_try is invoked with the lock exclusively held. Convert hwpmc(4) to use these event handlers instead of having kern_kldload() and kern_kldunload() invoke hwpmc(4) hooks whenever files are loaded or unloaded. This has no functional effect, but simplifes the linker code somewhat. Reviewed by: jhb		2013-08-24 21:13:38 +00:00
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common	MFV r253781 + r253871:	2013-07-30 21:02:09 +00:00
uts	Rename the kld_unload event handler to kld_unload_try, and add a new	2013-08-24 21:13:38 +00:00
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