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From: Mike Travis <travis@sgi.com>
To: Yinghai <yinghai.lu@oracle.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
	Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, Suresh Siddha <suresh.b.siddha@intel.com>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Jens Axboe <jens.axboe@oracle.com>,
	Jack Steiner <steiner@sgi.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified.
Date: Thu, 13 May 2010 14:55:16 -0700	[thread overview]
Message-ID: <4BEC7544.1080506@sgi.com> (raw)
In-Reply-To: <4BEC73B2.2020909@oracle.com>



...
> in setup.c::setup_arch()
> 
>         setup_memory_map();
>         parse_setup_data();
>         /* update the e820_saved too */
>         e820_reserve_setup_data();
> 	...
> 	parse_early_param();
> 	...
> 	finish_e820_parsing();
> 
> 
> 
> efi memmap is appended to e820 by parse_setup_data
> e820_reserve_setup_data() will copy e820 to e820_saved.
> 
> 
> or do you have old boot loader 
> 
>         if (boot_params.hdr.version < 0x0209)
>                 return;
> 
> YH

I saw that too, and wondered why e820_saved did not
have the extra entries.   The comment indicates it
should.

I'm on the system tonight and will investigate this
further.

Thanks!
Mike

  reply	other threads:[~2010-05-13 21:55 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-12 18:10 [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified Mike Travis
2010-05-12 18:55 ` H. Peter Anvin
2010-05-12 20:19   ` Yinghai
2010-05-12 21:02     ` Mike Travis
2010-05-13 21:18       ` Mike Travis
2010-05-13 21:48         ` Yinghai
2010-05-13 21:55           ` Mike Travis [this message]
2010-05-13 22:46             ` H. Peter Anvin
2010-05-24 23:04               ` [Patch 1/1] x86 efi: insert add_efi_memmap entries into both e820 maps Mike Travis
2010-05-25 22:34               ` [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified Mike Travis
2010-05-25 22:41                 ` H. Peter Anvin
2010-05-25 22:46                   ` Mike Travis
2010-05-25 22:49                     ` H. Peter Anvin
2010-05-26 17:39                     ` Yinghai Lu
2010-05-26 17:42                       ` Mike Travis
2010-05-26 18:22                         ` H. Peter Anvin
2010-05-26 18:47                           ` Mike Travis
2010-05-26 19:04                             ` H. Peter Anvin
2010-05-26 19:09                               ` Mike Travis
2010-05-26 20:10                                 ` H. Peter Anvin
2010-05-25 22:59                   ` [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified v2 Mike Travis

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