From: Mike Travis <travis@sgi.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Yinghai <yinghai.lu@oracle.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>,
jkosina@novell.com
Subject: Re: [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified.
Date: Tue, 25 May 2010 15:34:40 -0700 [thread overview]
Message-ID: <4BFC5080.6030103@sgi.com> (raw)
In-Reply-To: <4BEC8161.6050206@zytor.com>
H. Peter Anvin wrote:
> On 05/13/2010 02:55 PM, Mike Travis wrote:
>> 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.
>>
>
> e820_saved lacks the extra entries because they aren't being passed in
> from the bootloader, as they should, and instead you're using
> add_efi_memmap which is, as far as the kernel is concerned, a post-boot
> modification.
>
> That being said, add_efi_memmap does come from the firmware, and as such
> it would be legitimate for it to add them to e820_saved.
>
> -hpa
Did this last patch meet expectations?
http://marc.info/?l=linux-kernel&m=127474230623061&w=4
Thanks,
Mike
next prev parent reply other threads:[~2010-05-25 22:34 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
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 ` Mike Travis [this message]
2010-05-25 22:41 ` [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BFC5080.6030103@sgi.com \
--to=travis@sgi.com \
--cc=hpa@zytor.com \
--cc=jens.axboe@oracle.com \
--cc=jkosina@novell.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rusty@rustcorp.com.au \
--cc=steiner@sgi.com \
--cc=suresh.b.siddha@intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=yinghai.lu@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).