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Date: Fri, 20 Oct 2006 12:15:37 -0700 From: Andrew Morton <akpm@...l.org> To: tglx@...utronix.de Cc: teunis <teunis@...tersgift.com>, linux-kernel@...r.kernel.org, Dmitry Torokhov <dtor@...l.ru>, Ingo Molnar <mingo@...e.hu> Subject: Re: various laptop nagles - any suggestions? (note: 2.6.19-rc2-mm1 but applies to multiple kernels) On Fri, 20 Oct 2006 20:46:55 +0200 Thomas Gleixner <tglx@...utronix.de> wrote: > On Fri, 2006-10-20 at 11:26 -0700, Andrew Morton wrote: > > On Fri, 20 Oct 2006 20:13:54 +0200 > > Thomas Gleixner <tglx@...utronix.de> wrote: > > > > > > Also, NO_HZ breaks my laptop (and presumably quite a few others) quite > > > > horridly, which means nobody can ship the feature. Some runtime > > > > turn-it-off work needs to be done there. > > > > > > We can make a commandline switch as for highres. Is that sufficient ? > > > > I doubt it. > > > > I don't know how many machines will be affected by this, but I'd expect > > it's quite a few - the Vaio has a less-than-one-year-old Intel CPU in it. > > Is this still the broken lapic issue ? yup. iirc the standard FC5 SMP kernel runs dog-slowly on that machine too. > I think about a detection > mechanism for that one. Thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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