Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 29 Apr 2003 18:27:50 -0400 (EDT)
From:      "Andrew R. Reiter" <arr@watson.org>
To:        Nate Williams <nate@yogotech.com>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/fxp if_fxp.c if_fxpvar.h
Message-ID:  <20030429182723.N29403@fledge.watson.org>
In-Reply-To: <16046.64504.186129.388342@emerger.yogotech.com>
References:  <16046.55840.945040.149302@grasshopper.cs.duke.edu> <16046.64504.186129.388342@emerger.yogotech.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 29 Apr 2003, Nate Williams wrote:

:> A mutex is far more expensive than an spl.
:
:Huh?  If so, then something is *really* screwed up, since SPL's block
:out lots of things, while mutex's can/should block little things.
:
:That's how we get greater parrallelism.

Or does he mean it's more expensive b/c of the bus locks?

--
Andrew R. Reiter
arr@watson.org
arr@FreeBSD.org



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030429182723.N29403>