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From: Ingo Molnar <mingo@elte.hu>
To: Mike Travis <travis@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	rpurdie@rpsys.net, Jack Steiner <steiner@sgi.com>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 1/1] SGI X86 UV: Provide a System Activity Indicator driver
Date: Mon, 22 Sep 2008 13:48:20 +0200	[thread overview]
Message-ID: <20080922114820.GA13990@elte.hu> (raw)
In-Reply-To: <20080919143744.190005000@polaris-admin.engr.sgi.com>


* Mike Travis <travis@sgi.com> wrote:

>  arch/x86/kernel/genx2apic_uv_x.c |  138 +++++++++++++++++++++++++++++++++++++++
>  include/asm-x86/uv/uv_hub.h      |   62 +++++++++++++++++

hm, why is this in genx2apic_uv_x.c, not a separate file?

> +	idle_notifier_register(&uv_idle_notifier);

no, we really dont want such overhead in an idle notifier. (those 
interfaces will go away)

As i suggested in my previous mail about this topic, a low-frequency 
sampling method should be used instead, to indicate system status. I 
thought the leds drivers have all that in place already.

	Ingo

  reply	other threads:[~2008-09-22 11:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-19 14:37 [PATCH 0/1] SGI X86 UV: Provide a System Activity Indicator driver Mike Travis
2008-09-19 14:37 ` [PATCH 1/1] " Mike Travis
2008-09-22 11:48   ` Ingo Molnar [this message]
2008-09-22 14:42     ` Mike Travis
2008-09-28 19:42       ` Pavel Machek
2008-10-01 18:15         ` Mike Travis
2008-10-01 19:41           ` Mike Travis
2008-10-02  8:37           ` Pavel Machek
2008-10-02 14:33             ` Mike Travis
2008-09-22 14:47     ` Mike Travis
  -- strict thread matches above, loose matches on Subject: below --
2008-10-24 11:19 Mike Travis
2008-10-24 12:01 ` Pavel Machek
2008-10-24 12:05   ` Ingo Molnar
2008-10-24 12:27     ` Mike Travis
2008-10-24 18:12       ` Andi Kleen
2008-10-24 22:18         ` Mike Travis
2008-10-24 22:24           ` Mike Travis
2008-10-27 11:42             ` Ingo Molnar
2008-10-27 14:38               ` Mike Travis
2008-10-25  6:56           ` Andi Kleen
2008-10-27 15:12             ` Mike Travis
2008-10-27 11:36           ` Ingo Molnar
2008-10-27 11:43       ` Ingo Molnar
2008-10-24 12:14   ` Mike Travis

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