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]
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