svn commit: r220526 - head/sys/kern

[John Baldwin]

On Sunday, April 10, 2011 1:07:03 pm Konstantin Belousov wrote:
> Author: kib
> Date: Sun Apr 10 17:07:02 2011
> New Revision: 220526
> URL: http://svn.freebsd.org/changeset/base/220526
> 
> Log:
>   Some callers of proc_reparent() already have the parent process locked.
>   Detect the situation and avoid process lock recursion.
>   
>   Reported by:	Fabian Keil <freebsd-listen fabiankeil de>
> 
> Modified:
>   head/sys/kern/kern_exit.c

Can we instead assert it is always held and fix callers that don't?  Using 
locked variables is messy and I'd rather avoid it when possible.  We already 
require the caller to hold other locks for this operation.

-- 
John Baldwin