From: Robert Millan <rmh@aybabtu.com>
To: The development of GNU GRUB <grub-devel@gnu.org>
Subject: Re: [PATCH] Add 2 more E820 to ACPI specification
Date: Tue, 19 Jan 2010 23:53:54 +0100 [thread overview]
Message-ID: <20100119225354.GG8599@thorin> (raw)
In-Reply-To: <4B50A373.3060203@gmail.com>
On Fri, Jan 15, 2010 at 06:18:43PM +0100, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
> Hello. This defines 2 more types for mmap_type in a way to match E820
> values. As grub legacy and grub2 both just pass E820 values through it
> shouldn't be any problem.
Note that although Multiboot's memory map format is modelled after e820,
it is defined by us, not by BIOS vendors.
> -value of 1 indicates available @sc{ram}, and all other values currently
> +value of 1 indicates available @sc{ram}, value of 3 indicates usable memory
> +holding ACPI information,
I'm concerned about increasing the amount of arch-specific references; what do
Multiboot kernels that use ACPI currently do?
> value of 4 indicates reserved memory which needs to
> +be preserved on hibernation and all other values currently
> indicated a reserved area.
What's the difference between this reserved memory and a reserved area?
--
Robert Millan
"Be the change you want to see in the world" -- Gandhi
next prev parent reply other threads:[~2010-01-19 22:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-15 17:18 [PATCH] Add 2 more E820 to ACPI specification Vladimir 'φ-coder/phcoder' Serbinenko
2010-01-19 22:53 ` Robert Millan [this message]
2010-01-19 23:17 ` Vladimir 'φ-coder/phcoder' Serbinenko
2010-01-19 23:33 ` Robert Millan
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=20100119225354.GG8599@thorin \
--to=rmh@aybabtu.com \
--cc=grub-devel@gnu.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.