linux-kernel - Re: kexec boot regression

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Message-ID: <20091215195111.GV28252@kernel.dk>
Date:	Tue, 15 Dec 2009 20:51:11 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>, mingo@...e.hu,
	rdreier@...co.com, Suresh Siddha <suresh.b.siddha@...el.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: kexec boot regression

On Tue, Dec 15 2009, Yinghai Lu wrote:
> Jens Axboe wrote:
> > On Tue, Dec 15 2009, Yinghai Lu wrote:
> >> [PATCH] x86/pci: intel ioh bus num reg accessing fix
> >>
> >> it is above 0x100, so if mmconf is not enable, need to skip it
> > 
> > This works, it kexecs kernels fine. But since 2.6.32 doesn't have the
> > mmconf problem to begin with, are we now just working around the issue?
> > SRAT still reports issues, numa doesn't work.
> 
> that patch will be bullet proof... we need it.
> 
> also still need to figure out why memmap range is not passed properly.
> 
> do you mean 2.6.32 kexec 2.6.32 it have worked mmconf and numa in
> second kernel?

Yes, 2.6.32 booted and 2.6.32 kexec'ed works just fine, no SRAT
complaints and NUMA works fine.

-- 
Jens Axboe

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