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Date:      Sun, 27 Apr 1997 23:16:05 -0500
From:      Chris Csanady <ccsanady@nyx.pr.mcs.net>
To:        Ben Black <black@zen.cypher.net>
Cc:        Chuck Robey <chuckr@mat.net>, FreeBSD-SMP@FreeBSD.org
Subject:   Re: SMP 
Message-ID:  <199704280416.XAA12986@nyx.pr.mcs.net>
In-Reply-To: Your message of Sun, 27 Apr 1997 23:58:02 -0400. <Pine.LNX.3.91.970427235743.32065P-100000@zen.cypher.net> 

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>i sit corrected.  i expect they will eventually migrate to a fully 
>threaded kernel.

As will we I hope.  I was hoping to work on pushing the locks down
into the syscalls earlier, but I ran into some trouble.  I really
knew very little about assembly, and our locks really are not up
to it yet. :(

Besides, the general concencus was that we didn't want to deal with
it now..

--Chris Csanady

>On Sun, 27 Apr 1997, Chris Csanady wrote:
>
>> 
>> >freebsd-smp is not the best example of how to do SMP.  it uses the 
>> >simplest method: one giant kernel lock.  i don't know that it is 
>> >particularly representative of advanced SMP operating systems (though 
>> >linux also uses a giant kernel lock).
>> 
>> Actually, linux has moved to a slightly finer grain system.  Now they
>> have seperate locks for the run queues, scheduler, and some other
>> things..
>> 
>> --Chris Csanady
>> 






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