From: Paul Jackson <pj@sgi.com>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: mingo@elte.hu, tglx@linutronix.de, yhlu.kernel@gmail.com,
steiner@sgi.com, travis@sgi.com, hpa@zytor.com,
linux-kernel@vger.kernel.org, andi@firstfloor.org,
akpm@linux-foundation.org
Subject: Re: [PATCH 4/8] x86 boot: allow overlapping ebda and efi memmap memory ranges
Date: Mon, 16 Jun 2008 04:09:04 -0500 [thread overview]
Message-ID: <20080616040904.6f684c76.pj@sgi.com> (raw)
In-Reply-To: <1213606435.12968.14.camel@caritas-dev.intel.com>
Huang wrote:
> I think it is sufficient for boot loader to avoid memory area from
> 0x9f000 to 0x100000. This can be seen as compatible code for legacy
> BIOS.
That might work -- I'll give it a try.
> I think if EBDA area is used in EFI system, it should be reserved in EFI
> memory map.
Would you recommend doing this with code in arch/x86/kernel/head.c,
that did not invoke reserve_ebda_region() if efi_enabled was set?
--
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:[~2008-06-16 9:09 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-16 6:29 [PATCH 1/8] x86 boot: x86_64 build reserve_bootmem_generic fix Paul Jackson
2008-06-16 6:29 ` [PATCH 2/8] x86 boot: e820 code indentation fix Paul Jackson
2008-06-16 6:29 ` [PATCH 3/8] x86 boot: x86_64 efi compiler warning fix Paul Jackson
2008-06-16 6:30 ` [PATCH 4/8] x86 boot: allow overlapping ebda and efi memmap memory ranges Paul Jackson
2008-06-16 6:54 ` Yinghai Lu
2008-06-16 7:32 ` Paul Jackson
2008-06-16 7:34 ` Yinghai Lu
2008-06-16 8:31 ` Paul Jackson
2008-06-16 7:07 ` Huang, Ying
2008-06-16 8:24 ` Paul Jackson
2008-06-16 8:53 ` Huang, Ying
2008-06-16 9:09 ` Paul Jackson [this message]
2008-06-16 9:14 ` Huang, Ying
2008-06-16 15:48 ` H. Peter Anvin
2008-06-16 16:38 ` Paul Jackson
2008-06-16 17:05 ` H. Peter Anvin
2008-06-16 17:37 ` Paul Jackson
2008-06-16 17:41 ` Yinghai Lu
2008-06-16 18:09 ` Paul Jackson
2008-06-16 18:18 ` H. Peter Anvin
2008-06-16 18:53 ` Alan Cox
2008-06-16 19:58 ` H. Peter Anvin
2008-06-16 17:46 ` H. Peter Anvin
2008-06-16 18:05 ` Paul Jackson
2008-06-17 1:00 ` Huang, Ying
2008-06-16 6:30 ` [PATCH 5/8] x86 boot: remap efi systab runtime from phys to virt Paul Jackson
2008-06-16 7:02 ` Huang, Ying
2008-06-16 8:06 ` Paul Jackson
2008-06-16 8:27 ` Huang, Ying
2008-06-16 8:26 ` Paul Jackson
2008-06-16 6:30 ` [PATCH 6/8] x86 boot: virtualize the efi runtime function callback addresses Paul Jackson
2008-06-16 6:30 ` [PATCH 7/8] x86 boot: show pfn addresses in hex not decimal in some kernel info printks Paul Jackson
2008-06-16 7:05 ` Yinghai Lu
2008-06-16 8:09 ` Paul Jackson
2008-06-16 6:30 ` [PATCH 8/8] x86 boot: more consistently use type int for node ids Paul Jackson
2008-06-16 6:50 ` [PATCH 1/8] x86 boot: x86_64 build reserve_bootmem_generic fix Yinghai Lu
2008-06-16 8:40 ` Paul Jackson
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