From: ebiederm@xmission.com (Eric W. Biederman)
To: Andi Kleen <ak@suse.de>
Cc: vgoyal@in.ibm.com, Magnus Damm <magnus.damm@gmail.com>,
Magnus Damm <magnus@valinux.co.jp>,
fastboot@lists.osdl.org, linux-kernel@vger.kernel.org,
ebiederm@xmission.com
Subject: Re: [Fastboot] [PATCH][RFC] x86_64: Reload CS when startup_64 is used.
Date: Mon, 21 Aug 2006 14:02:16 -0600 [thread overview]
Message-ID: <m1fyfpuabb.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <200608211704.03061.ak@suse.de> (Andi Kleen's message of "Mon, 21 Aug 2006 17:04:03 +0200")
Andi Kleen <ak@suse.de> writes:
> On Monday 21 August 2006 16:46, Vivek Goyal wrote:
>> On Mon, Aug 21, 2006 at 04:24:10PM +0200, Andi Kleen wrote:
>> >
>> > > Given the idea of relocatable kernel is floating around I would prefer if
>> > > we are not bounded by the restriction of loading a kernel in lowest 4G.
>> >
>> > There is already other code that requires this. In fact i don't think it can
>> > be above 40MB currently.
>> >
>>
>> But I think Eric's prototype patches for relocatable kernel do get over
>> this limitation (Hope I understood the code right). Assuming that relocatable
>> kernel patches will be merged down the line, it would be nice not to be
>> bound by 4G limitation.
>
> He may have fixed the 40MB issue, but I very much doubt he changed the 2GB
> limitation because that would be a major change.
I'm not certain I caught everything but as far as I know I did.
Part of that was by having the code run at a fixed virtual address so
we still live in the last 2GB of the virtual address space.
Eric
next prev parent reply other threads:[~2006-08-21 20:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-21 9:54 [PATCH][RFC] x86_64: Reload CS when startup_64 is used Magnus Damm
2006-08-21 10:19 ` Andi Kleen
2006-08-21 13:29 ` [Fastboot] " Magnus Damm
2006-08-21 14:16 ` Andi Kleen
2006-08-22 0:47 ` Magnus Damm
2006-08-21 14:17 ` Vivek Goyal
2006-08-21 14:24 ` Andi Kleen
2006-08-21 14:46 ` Vivek Goyal
2006-08-21 15:04 ` Andi Kleen
2006-08-21 20:02 ` Eric W. Biederman [this message]
2006-08-21 20:10 ` Andi Kleen
2006-08-21 21:00 ` Eric W. Biederman
2006-08-21 21:02 ` Eric W. Biederman
2006-08-22 0:58 ` Magnus Damm
2006-08-22 3:41 ` Eric W. Biederman
2006-08-22 4:10 ` Magnus Damm
2006-08-22 8:03 ` Andi Kleen
2006-08-22 8:37 ` [PATCH] " Eric W. Biederman
2006-08-22 8:53 ` [Fastboot] " Magnus Damm
2006-08-22 9:25 ` Eric W. Biederman
2006-08-23 3:10 ` Magnus Damm
2006-08-22 9:01 ` Andi Kleen
2006-08-22 9:20 ` Eric W. Biederman
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=m1fyfpuabb.fsf@ebiederm.dsl.xmission.com \
--to=ebiederm@xmission.com \
--cc=ak@suse.de \
--cc=fastboot@lists.osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=magnus.damm@gmail.com \
--cc=magnus@valinux.co.jp \
--cc=vgoyal@in.ibm.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