linux-kernel - Re: [PATCH 2/3] x86: add a is_e820

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Message-ID: <20150326102946.GA29363@lst.de>
Date:	Thu, 26 Mar 2015 11:29:46 +0100
From:	Christoph Hellwig <hch@....de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Christoph Hellwig <hch@....de>, linux-nvdimm@...1.01.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, ross.zwisler@...ux.intel.com, axboe@...nel.dk,
	boaz@...xistor.com
Subject: Re: [PATCH 2/3] x86: add a is_e820_ram() helper

On Thu, Mar 26, 2015 at 11:28:10AM +0100, Ingo Molnar wrote:
> btw., there's half a dozen block drivers in arch/* platform code, so 
> in theory even the block driver could be merged there - but I agree 
> that it's much cleaner and more generic in drivers/block/.

The block driver isn't really architecture specific.  With the upcoming
UEFI interface to discover persistent memory arm, arm64 and in theory ia64
will immeditately benefit from it.  I also expect it to show up on powerpc
sooner or later at least.

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