From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Eric Lacombe <goretux@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [x86] fs, gs purpose & multicore prog
Date: Fri, 05 Sep 2008 22:38:33 -0700 [thread overview]
Message-ID: <48C21759.4020503@goop.org> (raw)
In-Reply-To: <200809060109.52419.goretux@gmail.com>
Eric Lacombe wrote:
> I know these things ;) but what I wanted to know is the "x86 architectural
> details". In fact, I saw that during the machine init the BIOS select a cpu on
> the bus to be the BSP (bootstrap proc). The others are then the APs (Appli
> proc). Then the kernel runs on the BSP. What I wonder is how the kernel gives
> execution flow to the APs.
>
See arch/x86/kernel/smpboot.c (esp do_boot_cpu()), and chapter 7 of
"Intel® 64 and IA-32 Architectures Software Developer’s Manual", volume 3a.
J
prev parent reply other threads:[~2008-09-06 5:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-03 9:09 [x86] fs, gs purpose & multicore prog Eric Lacombe
2008-09-04 16:49 ` Jeremy Fitzhardinge
2008-09-05 11:17 ` Eric Lacombe
2008-09-05 14:51 ` Jeremy Fitzhardinge
2008-09-05 23:09 ` Eric Lacombe
2008-09-06 5:38 ` Jeremy Fitzhardinge [this message]
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=48C21759.4020503@goop.org \
--to=jeremy@goop.org \
--cc=goretux@gmail.com \
--cc=linux-kernel@vger.kernel.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.