From: ebiederm@xmission.com (Eric W. Biederman)
To: Sean Young <sean@mess.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-kernel@vger.kernel.org, "H. Anvin" <hpa@zytor.com>
Subject: Re: Regression: boot failure on AMD Elan TS-5500
Date: Sat, 05 Jul 2008 19:41:55 -0700 [thread overview]
Message-ID: <m17ibz4tu4.fsf@frodo.ebiederm.org> (raw)
In-Reply-To: <20080630220939.GA58260@atlantis.8hz.com> (Sean Young's message of "Mon, 30 Jun 2008 22:09:39 +0000")
Sean Young <sean@mess.org> writes:
> On Mon, Jun 30, 2008 at 02:52:10PM -0700, Jeremy Fitzhardinge wrote:
>> It's a bit odd that the boot loader neglected to set up ds properly, but
>> changing the testb line to
>>
>> testb $(1<<6), %cs:BP_loadflags(%esi)
>>
>> should work. (Or perhaps a %ss: override would be better?)
>
> Yup, it does (%cs: prefix).
Guys I have a fuzzy memory of reads and definitely writes through %cs not working,
on some processor models. i386?
If that hadn't been the case I would have used that form more to remove the
dependencies before we reached lgdt in haed.S when I was in there years ago.
Eric
next prev parent reply other threads:[~2008-07-06 2:51 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-16 12:11 Regression: boot failure on AMD Elan TS-5500 Sean Young
2008-06-16 13:27 ` Rusty Russell
2008-06-16 13:37 ` Jeremy Fitzhardinge
2008-06-16 16:19 ` Sean Young
2008-06-16 17:06 ` H. Peter Anvin
2008-06-16 17:58 ` Sean Young
2008-06-16 18:16 ` H. Peter Anvin
2008-06-16 17:06 ` H. Peter Anvin
2008-06-16 17:07 ` Jeremy Fitzhardinge
2008-06-30 21:43 ` Sean Young
2008-06-30 21:52 ` Jeremy Fitzhardinge
2008-06-30 22:04 ` H. Peter Anvin
2008-06-30 22:14 ` H. Peter Anvin
2008-06-30 22:36 ` Jeremy Fitzhardinge
2008-06-30 22:45 ` H. Peter Anvin
2008-06-30 22:31 ` Sean Young
2008-06-30 22:34 ` Jeremy Fitzhardinge
2008-06-30 22:42 ` H. Peter Anvin
2008-07-01 19:59 ` Sean Young
2008-07-01 20:20 ` Sean Young
2008-07-01 20:24 ` Jeremy Fitzhardinge
2008-07-01 20:25 ` H. Peter Anvin
2008-07-15 22:23 ` Sean Young
2008-07-15 22:30 ` H. Peter Anvin
2008-07-01 20:22 ` Jeremy Fitzhardinge
2008-07-01 20:23 ` H. Peter Anvin
2008-07-01 20:29 ` Jeremy Fitzhardinge
2008-07-01 20:39 ` H. Peter Anvin
2008-07-06 13:21 ` Pavel Machek
2008-06-30 22:09 ` Sean Young
2008-07-06 2:41 ` Eric W. Biederman [this message]
2008-07-06 3:07 ` H. Peter Anvin
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=m17ibz4tu4.fsf@frodo.ebiederm.org \
--to=ebiederm@xmission.com \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=sean@mess.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox