From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Garcia Jérémie" <GARCIAJ@3il.fr>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: RE : PPC arch and spinlocks
Date: Fri, 10 Jun 2005 08:42:49 +1000 [thread overview]
Message-ID: <1118356969.6850.179.camel@gaston> (raw)
In-Reply-To: <D4FDDD1349B5AC46B68FC26AD8AF42D6226B32@exnet.3il.fr>
On Thu, 2005-06-09 at 11:28 +0200, Garcia Jérémie wrote:
> First of all,tks Jeff for this link.
> So reading that, I understood that I need to enable the SMP support in the makemenuconfig
> in order to use spinlocks even if I'm working on UP platform.
> That's what I did but I now go through compile errors (I'm using a montavista PE 3.1):
No, spinlocks are always around, though they do nothing on UP (except if
you use the _irq variants). Also, SMP isn't supported on 4xx.
You should do what Hollis says :)
Ben.
prev parent reply other threads:[~2005-06-09 22:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-09 9:28 RE : PPC arch and spinlocks Garcia Jérémie
2005-06-09 15:19 ` Geoff Levand
2005-06-09 22:42 ` Benjamin Herrenschmidt [this message]
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