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From: Andrew Morton <akpm@osdl.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net,
	Vivek Goyal <vgoyal@in.ibm.com>
Subject: Re: [PATCH] register hot-added memory to iomem resource
Date: Thu, 27 Apr 2006 16:01:30 -0700	[thread overview]
Message-ID: <20060427160130.6149550f.akpm@osdl.org> (raw)
In-Reply-To: <20060427204904.5037f6ea.kamezawa.hiroyu@jp.fujitsu.com>

KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
>
> This patch registers hot-added memory to iomem_resource.
> By this, /proc/iomem can show hot-added memory.
> This patch is against 2.6.17-rc2-mm1.
> 
> Note: kdump uses /proc/iomem to catch memory range when it is installed.
>       So, kdump should be re-installed after /proc/iomem change.
> 

What do you mean by "kdump should be reinstalled"?  The kdump userspace
tools need to re-run kexec_load()?

If so, why?

And how is kdump to know that memory was hot-added?  Do we generate a
hotplug event?

Thanks.

  parent reply	other threads:[~2006-04-27 22:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-27 11:49 [PATCH] register hot-added memory to iomem resource KAMEZAWA Hiroyuki
2006-04-27 16:10 ` [Lhms-devel] " jschopp
2006-04-28  0:47   ` KAMEZAWA Hiroyuki
2006-04-27 23:01 ` Andrew Morton [this message]
2006-04-28  0:27   ` [Lhms-devel] " KAMEZAWA Hiroyuki
2006-04-28 14:50     ` Vivek Goyal
2006-04-28 18:43     ` Vivek Goyal
2006-04-29  0:18       ` KAMEZAWA Hiroyuki

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