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From: Suresh Siddha <suresh.b.siddha@intel.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	"ananth@in.ibm.com" <ananth@in.ibm.com>,
	Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 2/4] x86: use dmi check to treat disabled cpus as hotplug cpus.
Date: Tue, 12 Jan 2010 10:24:07 -0800	[thread overview]
Message-ID: <1263320647.2854.295.camel@sbs-t61.sc.intel.com> (raw)
In-Reply-To: <86802c441001121013o4b8775edl1bc36f120e072b75@mail.gmail.com>

On Tue, 2010-01-12 at 10:13 -0800, Yinghai Lu wrote:
> ok let stay with option 1.
>
> and would like to use DMI to blacklist those systems that do need treat disabled
> cpus MADT as hotplug cpus.

Yinghai, I don't think we have to worry about disabled cpu's etc using
DMI etc. If we really come across such a system, they can use ACPI FADT
flags (ACPI_FADT_APIC_PHYSICAL) to specify that they need to use
physical mode.

thanks,
suresh


  reply	other threads:[~2010-01-12 18:25 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-12  2:48 [RFC PATCH 1/4] use nr_cpus= to set nr_cpu_ids early Yinghai Lu
2010-01-12  2:48 ` [RFC PATCH 3/4] x86: using logical flat for amd cpu too Yinghai Lu
2010-01-12  3:16   ` Linus Torvalds
2010-01-12  8:47     ` Yinghai Lu
2010-01-12  8:27   ` Ananth N Mavinakayanahalli
2010-01-12 22:50     ` H. Peter Anvin
2010-01-13  4:53       ` Ananth N Mavinakayanahalli
2010-01-12  2:48 ` [RFC PATCH 4/4] x86: according to nr_cpu_ids to decide if need to leave logical flat Yinghai Lu
2010-01-12  3:20   ` Linus Torvalds
2010-01-12  8:50     ` Yinghai Lu
2010-01-12  2:48 ` [RFC PATCH 2/4] x86: use dmi check to treat disabled cpus as hotplug cpus Yinghai Lu
2010-01-12  3:13   ` Linus Torvalds
2010-01-12  8:59     ` Yinghai Lu
2010-01-12 15:19       ` Linus Torvalds
2010-01-12 17:54         ` Suresh Siddha
2010-01-12 18:13         ` Yinghai Lu
2010-01-12 18:24           ` Suresh Siddha [this message]
2010-01-12 19:19             ` Yinghai Lu
2010-01-12  9:15     ` Yinghai Lu
2010-01-12  9:46     ` Ingo Molnar
2010-01-12 16:14     ` Valdis.Kletnieks
2010-01-12 16:26       ` Linus Torvalds
2010-01-12 17:17         ` Valdis.Kletnieks
2010-01-12  3:06 ` [RFC PATCH 1/4] use nr_cpus= to set nr_cpu_ids early Linus Torvalds

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