From: "H. Peter Anvin" <hpa@zytor.com>
To: Mike Travis <travis@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Roland Dreier <rdreier@cisco.com>,
Randy Dunlap <rdunlap@xenotime.net>, Tejun Heo <tj@kernel.org>,
Andi Kleen <andi@firstfloor.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Yinghai Lu <yhlu.kernel@gmail.com>,
David Rientjes <rientjes@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
Jack Steiner <steiner@sgi.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/6] INIT: Limit the number of per cpu calibration bootup messages
Date: Mon, 16 Nov 2009 14:55:44 -0800 [thread overview]
Message-ID: <4B01D870.3090103@zytor.com> (raw)
In-Reply-To: <4B01D77D.3010006@sgi.com>
On 11/16/2009 02:51 PM, Mike Travis wrote:
>
> There's also some confusion on whether the boot_cpu_id is the APIC id (ia64)
> or the cpu_index (x86) or some other number (others). (cpu_index 0 by
> definition will always be the boot cpu.)
>
This is part of what I said... the whole cpu_index thing is a rather
awkward extra layer of indirection.
But regardless... we have a panarchitectural notion of a cpu ID, and
that is what boot_cpu_id() [or whatever we call it] should refer to. On
some architectures that will be constant.
-hpa
next prev parent reply other threads:[~2009-11-16 22:58 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-16 21:07 [PATCH 0/6] Limit console output by suppressing repetitious messages Mike Travis
2009-11-16 21:07 ` [PATCH 1/6] x86: Limit the number of processor bootup messages Mike Travis
2009-11-16 21:22 ` Ingo Molnar
2009-11-16 21:34 ` Mike Travis
2009-11-16 21:07 ` [PATCH 2/6] x86: Limit the number of per cpu MCE " Mike Travis
2009-11-16 21:22 ` Ingo Molnar
2009-11-16 21:35 ` Mike Travis
2009-11-17 7:10 ` Hidetoshi Seto
2009-11-17 17:16 ` Mike Travis
2009-11-17 18:40 ` [PATCH] x86, mce: rework output of MCE banks ownership information Mike Travis
2009-12-14 21:46 ` Mike Travis
2009-12-15 1:50 ` Hidetoshi Seto
2009-11-16 21:07 ` [PATCH 3/6] INIT: Limit the number of per cpu calibration bootup messages Mike Travis
2009-11-16 21:24 ` Ingo Molnar
2009-11-16 21:27 ` H. Peter Anvin
2009-11-16 21:43 ` Cyrill Gorcunov
2009-11-16 21:46 ` H. Peter Anvin
2009-11-16 21:50 ` Cyrill Gorcunov
2009-11-17 3:09 ` David Miller
2009-11-17 15:59 ` Cyrill Gorcunov
2009-11-17 16:29 ` David Miller
2009-11-17 17:42 ` Cyrill Gorcunov
2009-11-17 17:49 ` Mike Travis
2009-11-17 17:54 ` H. Peter Anvin
2009-11-17 17:59 ` Cyrill Gorcunov
2009-11-17 16:51 ` Mike Travis
2009-11-16 21:45 ` Mike Travis
2009-11-16 21:48 ` H. Peter Anvin
2009-11-16 22:51 ` Mike Travis
2009-11-16 22:55 ` H. Peter Anvin [this message]
2009-11-16 21:07 ` [PATCH 4/6] firmware: Limit the number of per cpu firmware messages during bootup Mike Travis
2009-11-16 21:07 ` [PATCH 5/6] sched: Limit the number of scheduler debug messages Mike Travis
2009-11-16 21:07 ` [PATCH 6/6] x86: Limit number of per cpu TSC sync messages Mike Travis
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