From: Peter Stuge <peter@stuge.se>
To: x86@kernel.org, Komuro <komurojun-mbn@nifty.com>,
linux-pcmcia@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: ioports 0x100-0x3af and iomem 0xd000-0xdffff, 0xa0000000-0xa0ffffff -- safe to use on x86 for pcmcia?
Date: Wed, 25 Nov 2009 00:16:52 +0100 [thread overview]
Message-ID: <20091124231653.30084.qmail@stuge.se> (raw)
In-Reply-To: <20091124213723.GA22689@comet.dominikbrodowski.net>
Dominik Brodowski wrote:
> include port 0x100-0x3af
> include memory 0xc0000-0xfffff
> include memory 0xa0000000-0xa0ffffff
..
> Do you think it would be safe to enable these areas by (kernel)
> default on x86?
c0000-fffff is option ROM and BIOS land. Maybe every BIOS out there
is being a good boy/girl and actually adds entries to e820 or similar
but I would kindof like to stay away from the region anyway.
0xa0000000 is 2.5GB, so it's doomed on systems with >=2.5GB RAM. :(
//Peter
next prev parent reply other threads:[~2009-11-24 23:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-24 21:37 Dominik Brodowski
2009-11-24 23:16 ` Peter Stuge [this message]
2009-11-25 11:36 ` Alan Cox
2009-11-25 11:56 ` Komuro
2009-11-28 16:48 ` Dominik Brodowski
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