From: Jon Loeliger <jdl@jdl.com>
To: "linuxppc-dev@ozlabs.org" <linuxppc-dev@ozlabs.org>
Subject: Re: [PATCH 5/9 v3] Add the MPC8641 HPCN platform files.
Date: Mon, 19 Jun 2006 18:32:08 -0500 [thread overview]
Message-ID: <E1FsTE0-0000U4-Mp@jdl.com> (raw)
In-Reply-To: Your message of "Tue, 20 Jun 2006 01:18:06 +0200." <F5D6E2FC-CE35-4681-9F42-A1B4E2BFE097@kernel.crashing.org>
So, like, the other day Segher Boessenkool mumbled:
>
> I'm confused now. So are or arent't all CPUs running at the
> time Linux is started?
Only the boot CPU is running. The others are not.
> Are you saying Linux manually starts
> all non-boot CPUs?!?
Right. The secondary CPUs are not clocking, not able to
fetch memory, not nothing until Linux gets a shot at
smp_secondary_kick()'ing them into motion. And then we
have the ability to start the scondary CPUs one at a time.
jdl
next prev parent reply other threads:[~2006-06-19 23:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-17 22:52 [PATCH 5/9 v3] Add the MPC8641 HPCN platform files Jon Loeliger
2006-06-18 3:07 ` Benjamin Herrenschmidt
2006-06-19 14:04 ` Jon Loeliger
2006-06-19 22:06 ` Segher Boessenkool
2006-06-19 22:38 ` Jon Loeliger
2006-06-19 22:44 ` Segher Boessenkool
2006-06-19 23:11 ` Jon Loeliger
2006-06-19 23:18 ` Segher Boessenkool
2006-06-19 23:32 ` Jon Loeliger [this message]
2006-06-19 23:36 ` Segher Boessenkool
2006-06-19 23:52 ` Jon Loeliger
2006-06-18 3:14 ` Benjamin Herrenschmidt
2006-06-19 14:09 ` Jon Loeliger
2006-06-18 14:28 ` Kumar Gala
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