From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@osdl.org>
Cc: tglx@linutronix.de, LKML <linux-kernel@vger.kernel.org>,
Jim Gettys <jg@laptop.org>, John Stultz <johnstul@us.ibm.com>,
David Woodhouse <dwmw2@infradead.org>,
Arjan van de Ven <arjan@infradead.org>,
Dave Jones <davej@redhat.com>
Subject: Re: [patch] clockevents: drivers for i386, fix #2
Date: Wed, 4 Oct 2006 18:35:27 +0200 [thread overview]
Message-ID: <20061004163527.GA2328@elte.hu> (raw)
In-Reply-To: <20061004090205.9c29f5bf.akpm@osdl.org>
* Andrew Morton <akpm@osdl.org> wrote:
> > .name = "lapic",
> > .capabilities = CLOCK_CAP_NEXTEVT | CLOCK_CAP_PROFILE
> > +#ifdef CONFIG_SMP
> > | CLOCK_CAP_UPDATE,
> > +#endif
> > .shift = 32,
> > .set_mode = lapic_timer_setup,
> > .set_next_event = lapic_next_event,
>
> that (after a tweak to make it compile) fixes it. [...]
cool!
the vanilla SMP kernel will likely show similar effects on your laptop.
We'll figure out a safe way to detect this quirk, and to work it around
or turn off the lapic timer driver in that case.
(Btw., this bug was cleanups collateral damage. Many people are running
-rt on laptops and i think we'd have noticed.)
Ingo
prev parent reply other threads:[~2006-10-04 16:43 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-01 22:59 [patch 00/21] high resolution timers / dynamic ticks - V2 Thomas Gleixner
2006-10-01 22:59 ` [patch 01/21] GTOD: exponential update_wall_time Thomas Gleixner
2006-10-01 23:00 ` [patch 02/21] GTOD: persistent clock support, core Thomas Gleixner
2006-10-01 23:00 ` [patch 03/21] GTOD: persistent clock support, i386 Thomas Gleixner
2006-10-01 23:00 ` [patch 04/21] time: uninline jiffies.h Thomas Gleixner
2006-10-01 23:00 ` [patch 05/21] time: fix msecs_to_jiffies() bug Thomas Gleixner
2006-10-01 23:00 ` [patch 06/21] time: fix timeout overflow Thomas Gleixner
2006-10-01 23:00 ` [patch 07/21] cleanup: uninline irq_enter() and move it into a function Thomas Gleixner
2006-10-01 23:00 ` [patch 08/21] dynticks: extend next_timer_interrupt() to use a reference jiffie Thomas Gleixner
2006-10-01 23:00 ` [patch 09/21] hrtimers: namespace and enum cleanup Thomas Gleixner
2006-10-01 23:00 ` [patch 10/21] hrtimers: clean up locking Thomas Gleixner
2006-10-01 23:00 ` [patch 11/21] hrtimers: state tracking Thomas Gleixner
2006-10-01 23:00 ` [patch 12/21] hrtimers: clean up callback tracking Thomas Gleixner
2006-10-01 23:01 ` [patch 13/21] hrtimers: Move and add documentation Thomas Gleixner
2006-10-01 23:01 ` [patch 14/21] clockevents: core Thomas Gleixner
2006-10-01 23:01 ` [patch 15/21] clockevents: drivers for i386 Thomas Gleixner
2006-10-01 23:01 ` [patch 16/21] high-res timers: core Thomas Gleixner
2006-10-02 11:50 ` Paulo Marques
2006-10-01 23:01 ` [patch 17/21] dynticks: core Thomas Gleixner
2006-10-02 6:41 ` [patch] dynticks: core, NMI watchdog fix Ingo Molnar
2006-10-02 8:54 ` [patch] dynticks: core, NMI watchdog fix, #2 Ingo Molnar
2006-10-01 23:01 ` [patch 18/21] dyntick: add nohz stats to /proc/stat Thomas Gleixner
2006-10-01 23:01 ` [patch 19/21] dynticks: i386 arch code Thomas Gleixner
2006-10-01 23:01 ` [patch 20/21] high-res timers, dynticks: enable i386 support Thomas Gleixner
2006-10-01 23:01 ` [patch 21/21] debugging feature: timer stats Thomas Gleixner
2006-10-02 5:11 ` [patch 00/21] high resolution timers / dynamic ticks - V2 Valdis.Kletnieks
2006-10-02 13:02 ` Valdis.Kletnieks
2006-10-02 13:43 ` Thomas Gleixner
2006-10-02 18:25 ` Valdis.Kletnieks
2006-10-02 18:38 ` john stultz
2006-10-02 19:08 ` Valdis.Kletnieks
2006-10-02 19:23 ` john stultz
2006-10-02 18:43 ` [patch] dynticks core: Fix idle time accounting Thomas Gleixner
2006-10-02 20:17 ` Valdis.Kletnieks
2006-10-02 21:22 ` Thomas Gleixner
2006-10-02 21:35 ` Valdis.Kletnieks
2006-10-03 20:02 ` Thomas Gleixner
2006-10-03 21:05 ` Thomas Gleixner
2006-10-04 2:33 ` Valdis.Kletnieks
2006-10-04 7:56 ` Ingo Molnar
2006-10-04 9:58 ` Valdis.Kletnieks
2006-10-03 3:23 ` [patch 00/21] high resolution timers / dynamic ticks - V2 Andrew Morton
2006-10-03 4:00 ` Andrew Morton
2006-10-03 8:38 ` Thomas Gleixner
2006-10-03 8:47 ` Ingo Molnar
2006-10-03 10:35 ` [patch] clockevents: drivers for i386, fix #2 Ingo Molnar
2006-10-04 3:36 ` Andrew Morton
2006-10-04 6:46 ` Ingo Molnar
2006-10-04 7:32 ` Andrew Morton
2006-10-04 7:41 ` Ingo Molnar
2006-10-04 8:01 ` Andrew Morton
2006-10-04 7:55 ` Ingo Molnar
2006-10-04 8:15 ` Andrew Morton
2006-10-04 10:53 ` Ingo Molnar
2006-10-04 11:19 ` Thomas Gleixner
2006-10-04 16:02 ` Andrew Morton
2006-10-04 16:20 ` Thomas Gleixner
2006-10-04 16:35 ` Ingo Molnar [this message]
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