From: Paul Jackson <pj@sgi.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: yhlu.kernel@gmail.com, andi@firstfloor.org, mingo@elte.hu,
bwalle@suse.de, hannes@saeurebad.de, ying.huang@intel.com,
linux-kernel@vger.kernel.org, steiner@sgi.com
Subject: Re: Confusions with reserve_early, reserve_bootmem, e820, efi, ... on x86_64
Date: Thu, 12 Jun 2008 16:52:52 -0500 [thread overview]
Message-ID: <20080612165252.b7ce6902.pj@sgi.com> (raw)
In-Reply-To: <48519077.2050402@zytor.com>
hpa writes:
> It's probably safer to reserve the EBDA even with EFI; it's only a page
> or so so it doesn't matter much.
Reserving EBDA with EFI is fine by what little I know.
But the current code doesn't like it -- if the EFI memmap range is inside
the EBDA range, then the reserve_early() routine panics with:
"Overlapping early reservations"
Something needs tweaking here somehow ... and I'm not the one to know what.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.940.382.4214
next prev parent reply other threads:[~2008-06-12 21:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 10:06 Confusions with reserve_early, reserve_bootmem, e820, efi, ... on x86_64 Paul Jackson
2008-06-12 12:25 ` Yinghai Lu
2008-06-12 16:19 ` Paul Jackson
2008-06-12 17:05 ` Yinghai Lu
2008-06-12 20:10 ` Paul Jackson
2008-06-12 20:29 ` Yinghai Lu
2008-06-12 21:09 ` H. Peter Anvin
2008-06-12 21:52 ` Paul Jackson [this message]
2008-06-12 22:06 ` Yinghai Lu
2008-06-12 22:13 ` Paul Jackson
2008-06-12 22:39 ` H. Peter Anvin
2008-06-13 0:59 ` Huang, Ying
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