cvs commit: src/sys/cam/scsi scsi_target.c src/sys/dev/mii mii.c src/sys/fs/fifofs fifo_vnops.c src/sys/gnu/ext2fs ext2_vnops.c src/sys/kern init_main.c kern_conf.c kern_descrip.c kern_event.c kern_exec.c kern_exit.c kern_fork.c kern_sig.c sys_pipe.c tty.c ...

[John-Mark Gurney]

John-Mark Gurney wrote this message on Sun, Aug 15, 2004 at 06:24 +0000:
> jmg         2004-08-15 06:24:43 UTC

[...]

>   Log:
>   Add locking to the kqueue subsystem.  This also makes the kqueue subsystem
>   a more complete subsystem, and removes the knowlege of how things are
>   implemented from the drivers.  Include locking around filter ops, so a
>   module like aio will know when not to be unloaded if there are outstanding
>   knotes using it's filter ops.
>   
>   Currently, it uses the MTX_DUPOK even though it is not always safe to
>   aquire duplicate locks.  Witness currently doesn't support the ability
>   to discover if a dup lock is ok (in some cases).
>   
>   Reviewed by:    green, rwatson (both earlier versions)

With this change, kqueue enable make better work.  (I've done a number
of buildworlds w/ it.)  I'll enable it in a few days w/ a warning in
UPDATING about the effects of upgrading from a too old current.

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."