RE: [Fastboot] [PATCH] kexec on ia64

> -----Original Message-----
> From: KAMEZAWA Hiroyuki [mailto:kamezawa.hiroyu@jp.fujitsu.com]
> Sent: 2006年4月5日 9:13
> To: Zou, Nanhai
> Cc: ebiederm@xmission.com; khalid_aziz@hp.com;
> linux-kernel@vger.kernel.org; fastboot@lists.osdl.org;
> linux-ia64@vger.kernel.org
> Subject: Re: [Fastboot] [PATCH] kexec on ia64
> 
> On Wed, 5 Apr 2006 08:36:07 +0800
> "Zou, Nanhai" <nanhai.zou@intel.com> wrote:
> 
> > > -----Original Message-----
> > > From: linux-ia64-owner@vger.kernel.org
> > > [mailto:linux-ia64-owner@vger.kernel.org] On Behalf Of Eric W. Biederman
> > > Sent: 2006年4月5日 2:14
> > > To: Khalid Aziz
> > > Cc: LKML; Fastboot mailing list; Linux ia64
> > > Subject: Re: [Fastboot] [PATCH] kexec on ia64
> > >
> > > Khalid Aziz <khalid_aziz@hp.com> writes:
> > >
> > > > Add kexec support on ia64.
> > >
> > > This looks like a starting place but this patch needs some
> > > more work.
> > >
> > Eric,
> > 	Khalid is also merging my ia64 kdump patch posted in
> http://lkml.org/lkml/2006/3/14/46.
> > 	Hopefully those issues you pointed out will be solved once the kdump patch
> is merged.
> >
> Hi, I have a question about kexec/kdump.
> 
> How does kdump know memory layout (of old kernel) now ?
> 
> I'm working for memory hotplug. When memory is hot-added, memory layout
> changes.
> But I think there is no code to manage memory layout information of added memory.
> 
 It reads memory layout from /proc/iomem...,
 If memory is hotpluged, I think we need a reload of kdump.


> Thanks,
> - Kame
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