From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
Arnd Bergmann <arnd.bergmann@de.ibm.com>
Subject: Re: [PATCH 1/2] powerpc: Add spinlock to request_phb_iospace()
Date: Tue, 15 May 2007 16:02:50 +1000 [thread overview]
Message-ID: <1179208970.32247.145.camel@localhost.localdomain> (raw)
In-Reply-To: <20070515142615.bf748b7a.sfr@canb.auug.org.au>
On Tue, 2007-05-15 at 14:26 +1000, Stephen Rothwell wrote:
> On Tue, 15 May 2007 14:16:26 +1000 Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
> >
> > request_phb_iospace() can be called from different CPUs at init
> > time (at least with my next patch) and thus needs a spinlock. As
> > for the next patch, this is a temporary workaround for 2.6.22
> > issues until my rewrite of IO mappings is ready (for 2.6.23)
>
> What problem is this solving?
See the description of the next patch.
Ben.
next prev parent reply other threads:[~2007-05-15 6:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-15 4:16 [PATCH 1/2] powerpc: Add spinlock to request_phb_iospace() Benjamin Herrenschmidt
2007-05-15 4:26 ` Stephen Rothwell
2007-05-15 6:02 ` Benjamin Herrenschmidt [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-05-15 4:03 Benjamin Herrenschmidt
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