From: Adrian Bunk <bunk@kernel.org>
To: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <ak@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86_64: clear IO_APIC before enabing apic error vector. v2
Date: Wed, 2 Jan 2008 01:17:14 +0200 [thread overview]
Message-ID: <20080101231714.GH27566@does.not.exist> (raw)
In-Reply-To: <86802c440712301656r31559d8fp3cee6e620df6efb9@mail.gmail.com>
On Sun, Dec 30, 2007 at 04:56:35PM -0800, Yinghai Lu wrote:
> On Dec 30, 2007 4:28 PM, Adrian Bunk <bunk@kernel.org> wrote:
>...
> > Sorry for the dumb question, but what in
> >
> > + if (!smp_processor_id() && !skip_ioapic_setup && nr_ioapics)
> > + enable_IO_APIC();
> >
> > guarantees that this call doesn't happen when you hotplug CPU 0 ?
>
> so we can hotplug cpu0 or the bsp?
Honestly I don't know the amd64 architecture well enough for telling
whether the hardware allows it or not.
> YH
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
next prev parent reply other threads:[~2008-01-01 23:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-30 3:52 [PATCH] x86_64: clear IO_APIC before enabing apic error vector. v2 Yinghai Lu
2007-12-30 14:51 ` Ingo Molnar
2007-12-30 20:48 ` Yinghai Lu
2007-12-30 22:06 ` Adrian Bunk
2007-12-30 22:42 ` Yinghai Lu
2007-12-30 23:23 ` Adrian Bunk
2007-12-31 0:01 ` Yinghai Lu
2007-12-31 0:28 ` Adrian Bunk
2007-12-31 0:56 ` Yinghai Lu
2008-01-01 23:17 ` Adrian Bunk [this message]
2007-12-31 1:03 ` Yinghai Lu
2008-01-01 23:18 ` Adrian Bunk
2007-12-30 21:30 ` [PATCH] x86_64: fix section warning about enable_IO_APIC and setup_local_APIC Yinghai Lu
2007-12-30 21:29 ` Ingo Molnar
2007-12-30 21:53 ` Yinghai Lu
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