From: James Bottomley <James.Bottomley@steeleye.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Arjan van de Ven <arjanv@redhat.com>,
Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] fix 4k irqstacks on x86 (and add voyager support)
Date: 15 Apr 2004 10:33:25 -0500 [thread overview]
Message-ID: <1082043207.1804.4.camel@mulgrave> (raw)
In-Reply-To: <Pine.LNX.4.58.0404151126090.10471@montezuma.fsmlabs.com>
On Thu, 2004-04-15 at 10:29, Zwane Mwaikambo wrote:
> > There's a bug in the x86 code in that it sets the boot CPU to zero.
> > This isn't correct since some subarch's use physically indexed CPUs.
> > However, subarchs have either set the boot cpu before irq_INIT() (or
> > just inherited the default zero from INIT_THREAD_INFO()), so it's safe
> > to believe current_thread_info()->cpu about the boot cpu.
>
> There is also smp_boot_cpus() which sets it to zero yet again later on =)
That's PC specific, not subarch generic, so it doesn't matter to me.
James
next prev parent reply other threads:[~2004-04-15 15:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-15 15:17 [PATCH] fix 4k irqstacks on x86 (and add voyager support) James Bottomley
2004-04-15 15:29 ` Zwane Mwaikambo
2004-04-15 15:33 ` James Bottomley [this message]
2004-04-15 16:16 ` Zwane Mwaikambo
2004-04-15 16:18 ` James Bottomley
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