linux-kernel - Re: Boot failure on x86_64 (OOPS set_cpu_sibling

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Message-ID: <20090804143150.GC1870@aftab>
Date:	Tue, 4 Aug 2009 16:31:50 +0200
From:	Borislav Petkov <borislav.petkov@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Andreas Herrmann <andreas.herrmann3@....com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Sachin Sant <sachinp@...ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: Boot failure on x86_64 (OOPS set_cpu_sibling_map() )

On Tue, Aug 04, 2009 at 03:50:29PM +0200, Ingo Molnar wrote:
> > > Mind preparing a separate branch for it (.31-rc5 based) and send me 
> > > a pull request so that we can share the commit between the EDAC tree 
> > > and the x86 tree?
> > 
> > Well, Andreas says the patches need a little polishing and he'll 
> > be sending updated versions soon so you can pick them up. And 
> > since the EDAC MCE stuff might still change before .32 merge 
> > window opens, let's synchronize our pull requests instead. In the 
> > meantime, I'll be rediffing the EDAC stuff against -tip for 
> > linux-next.
> 
> Would you rebase just due to this commit?

No, I wanted to keep the opportunity to be able to rebase the whole
series until the very last minute before the merge window, should
anything need to be changed...

> No need for that, feel free to carry it until Andreas sends an updated
> version. Then i can put it into a separate .31-rc5 based topic that
> you can pull into the EDAC tree.

... and this is basically what I had in mind: After you pull them in,
I'll rebase my branch against yours for linux-next. I see that Stephen
pulls edac before -tip in linux-next so I'll ask him nicely to reorder
those. This approach makes most sense anyways since edac relies on a
bunch of x86 facilities (topology bits, rd/wrmsr_on_cpus, mcheck etc)
and it is only natural that it goes second in linux-next, right?

Then the pull requests will go out in the same order during the merge
window and we should be fine.

-- 
Regards/Gruss,
Boris.

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