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From: Matthew Wilcox <willy@debian.org>
To: Arjan van de Ven <arjanv@redhat.com>
Cc: Matthew Wilcox <willy@debian.org>,
	Christoph Hellwig <hch@infradead.org>,
	Sourav Sen <souravs@india.hp.com>,
	Matt_Domsch@dell.com, matthew.e.tolentino@intel.com,
	linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [2.6.6 PATCH] Exposing EFI memory map
Date: Thu, 06 May 2004 13:27:11 +0000	[thread overview]
Message-ID: <20040506132711.GA2281@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <1083845904.3844.2.camel@laptop.fenrus.com>

On Thu, May 06, 2004 at 02:18:24PM +0200, Arjan van de Ven wrote:
> On Thu, 2004-05-06 at 13:59, Matthew Wilcox wrote:
> > On Thu, May 06, 2004 at 11:44:14AM +0100, Christoph Hellwig wrote:
> > > On Thu, May 06, 2004 at 02:22:46PM +0530, Sourav Sen wrote:
> > > > Hi,
> > > > 
> > > > The following simple patch creates a read-only file
> > > > "memmap" under <mount point>/firmware/efi/ in sysfs
> > > > and exposes the efi memory map thru it.
> > > 
> > > doesn't exactly fit into the one value per file approach, does it?
> > 
> > It's not exactly modifiable. 
> 
> come on, it's the ideal hotplug memory interface ;)
> should we try to unify the memory map exports between architectures
> instead of matching the firmware-of-the-day for each architecture ??

Well, firmware-du-jour is what /sys/firmware/... is for ;-)

I don't have a clear picture of what a hotplug memory interface would look
like; and even if I did, I don't think the EFI memory map is of much help
in that matter.

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain

  reply	other threads:[~2004-05-06 13:27 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-06  8:53 [2.6.6 PATCH] Exposing EFI memory map Sourav Sen
2004-05-06  9:30 ` Sourav Sen
2004-05-06 10:44 ` Christoph Hellwig
2004-05-06 11:59   ` Matthew Wilcox
2004-05-06 12:18     ` Arjan van de Ven
2004-05-06 13:27       ` Matthew Wilcox [this message]
2004-05-06 14:00         ` Dave Hansen
2004-05-06 14:09           ` Arjan van de Ven
2004-05-06 14:09     ` Christoph Hellwig
2004-05-06 12:46 ` Matt Domsch
2004-05-06 13:23 ` Luck, Tony
2004-05-06 13:32 ` Sourav Sen
2004-05-06 15:08   ` Bjorn Helgaas
2004-05-06 16:14 ` Tolentino, Matthew E
2004-05-06 16:37 ` Sourav Sen
2004-05-06 16:49   ` Dave Hansen
2004-05-06 16:40 ` Greg KH
2004-05-06 18:47 ` Tolentino, Matthew E
2004-05-06 18:57   ` Dave Hansen
2004-05-06 20:54 ` Tolentino, Matthew E
2004-05-06 21:44   ` [Lhms-devel] " Dave Hansen
2004-05-07  9:57 ` Sourav Sen
2004-05-07 21:49   ` Greg KH
2004-05-11 14:56 ` Sourav Sen
2004-05-11 15:42   ` Dave Hansen
2004-05-12 10:36 ` Sourav Sen
2004-05-12 16:15   ` Dave Hansen
2004-05-13 14:22 ` Sourav Sen
2004-05-13 15:32   ` Dave Hansen

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