Re: cvs commit: src/bin/ps print.c ps.1 ps.c src/sys/dev/raid/vinum vinumdaemon.c src/sys/emulation/linux/i386 linux_ptrace.c src/sys/emulation/posix4 ksched.c src/sys/emulation/svr4 svr4_misc.c src/sys/i386/i386 db_trace.c pmap.c procfs_machdep.c ...

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

Matthew Dillon wrote:
>   Log:
>   Make tsleep/wakeup() MP SAFE for kernel threads and get us closer to
>   making it MP SAFE for user processes.  Currently the code is operating
>   under the rule that access to a thread structure requires cpu locality of
>   reference, and access to a proc structure requires the Big Giant Lock.  The
>   two are not mutually exclusive so, for example, tsleep/wakeup on a proc
>   needs both cpu locality of reference *AND* the BGL.  This was true with the
>   old tsleep/wakeup and has now been documented.

Kudos!  This is great work.  It also makes lwp work considerably easier 
in this area.  Thanks a lot!

cheers
  simon

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