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From: Ingo Molnar <mingo@elte.hu>
To: Mike Travis <travis@sgi.com>
Cc: Andi Kleen <andi@firstfloor.org>, Pavel Machek <pavel@suse.cz>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jack Steiner <steiner@sgi.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Richard Purdie <rpurdie@rpsys.net>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] SGI X86 UV: Provide a System Activity Indicator driver
Date: Mon, 27 Oct 2008 12:36:21 +0100	[thread overview]
Message-ID: <20081027113621.GA5631@elte.hu> (raw)
In-Reply-To: <490249CF.2080308@sgi.com>


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

> > The idle thread always has pid 0. So if the timer sees 
> > current->pid == 0 it interrupted idle.

that's still hacky as it hardcodes the idle == pid-0 assumption. 
Please use the idle_cpu() function of the scheduler instead.

	Ingo

  parent reply	other threads:[~2008-10-27 11:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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
2008-10-27 14:51               ` [PATCH 1/1] SGI x86 UV: Update SCIR driver to use idle_cpu function Mike Travis
2008-10-27 18:06                 ` Ingo Molnar
2008-10-27 18:46                   ` [PATCH 1/1] SGI x86 UV: Use raw_smp_processor_id Mike Travis
2008-10-25  6:56           ` [PATCH 1/1] SGI X86 UV: Provide a System Activity Indicator driver Andi Kleen
2008-10-27 15:12             ` Mike Travis
2008-10-27 11:36           ` Ingo Molnar [this message]
2008-10-27 11:43       ` Ingo Molnar
2008-10-24 12:14   ` Mike Travis
  -- strict thread matches above, loose matches on Subject: below --
2008-09-19 14:37 [PATCH 0/1] " Mike Travis
2008-09-19 14:37 ` [PATCH 1/1] " Mike Travis
2008-09-22 11:48   ` Ingo Molnar
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

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