From: Olof Johansson <olof@lixom•net>
To: Paul Mackerras <paulus@samba•org>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>, Greg KH <greg@kroah•com>,
Greg KH <gregkh@suse•de>,
linux-kernel@vger•kernel.org,
Chris Wedgwood <reviews@ml•cw.f00f.org>,
linuxppc-dev@ozlabs•org, tgall.foo@gmail•com,
Thomas Gleixner <tglx@linutronix•de>,
Linus Torvalds <torvalds@linux-foundation•org>,
stable@kernel•org
Subject: Re: [PATCH v2] powerpc: don't enable cpu hotplug on mpic-based pseries
Date: Thu, 11 Oct 2007 00:59:41 -0500 [thread overview]
Message-ID: <20071011055941.GA1783@lixom.net> (raw)
In-Reply-To: <18189.47620.466515.645055@cargo.ozlabs.ibm.com>
On Thu, Oct 11, 2007 at 03:52:04PM +1000, Paul Mackerras wrote:
> Olof Johansson writes:
>
> > Don't allow cpu hotplug on systems lacking XICS interrupt controller,
> > since current code is hardcoded for it.
> ...
> > + for (np = NULL; (np = of_find_node_by_name(np,
> > + "interrupt-controller"));) {
>
> Looks like for_each_node_by_name would be nicer here.
>
> If you agree, I'll hand-edit your patch to do that and apply it.
Go for it, I just stole that out of the detection code. That
could be changed accordingly as well at some point (I'm guessing
for_each_node_by_name didn't exist when that was written).
> Of course, ultimately we should implement the necessary mpic bits to
> support cpu hotplug.
Yep. I'll leave that to people who have hardware access. :-)
Thanks,
-Olof
next prev parent reply other threads:[~2007-10-11 5:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071008180406.052382073@mini.kroah.org>
[not found] ` <20071008180633.GJ7627@kroah.com>
[not found] ` <20071009151702.GA19209@lixom.net>
[not found] ` <20071009222003.GA21228@kroah.com>
[not found] ` <alpine.LFD.0.9999.0710100120340.7766@localhost.localdomain>
[not found] ` <alpine.LFD.0.999.0710091625520.3838@woody.linux-foundation.org>
2007-10-10 0:03 ` [stable] [patch 09/12] Fix SMP poweroff hangs Olof Johansson
2007-10-10 0:08 ` [PATCH] powerpc: don't enable cpu hotplug on mpic-based pseries Olof Johansson
2007-10-10 0:18 ` Stephen Rothwell
2007-10-10 0:38 ` [PATCH v2] " Olof Johansson
2007-10-10 10:08 ` Milton Miller
2007-10-10 16:43 ` Olof Johansson
2007-10-11 15:25 ` Milton Miller
2007-10-11 5:52 ` Paul Mackerras
2007-10-11 5:59 ` Olof Johansson [this message]
2007-10-11 21:42 ` Milton Miller
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