From owner-freebsd-smp  Sat Jun 12 10: 0:58 1999
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To: Alfred Perlstein <bright@rush.net>
Cc: smp@FreeBSD.ORG
Subject: Re: simple_lock() ?
References: <Pine.BSF.3.96.990612033253.14320U-100000@cygnus.rush.net>
From: Arun Sharma <adsharma@home.com>
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Date: 12 Jun 1999 10:00:56 -0700
In-Reply-To: Alfred Perlstein's message of "Sat, 12 Jun 1999 03:34:27 -0500 (EST)"
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Alfred Perlstein <bright@rush.net> writes:

> The simple_lock/unlock/try_lock stuff looks like precursor work towards
> finer grained SMP.  Is this true?  right now it looks like it amounts
> to a NOP in SMP and UP systems, is this also true?

It is a nop in UP systems, but calls some locking primitive on a SMP
system. 

	-Arun


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