Messages in this thread Patch in this message | | | Subject | Re: [patch-mm 21/23] x86-64 block irq balancing for timer | From | Arjan van de Ven <> | Date | Sun, 10 Jun 2007 09:29:20 -0700 |
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this isn't needed actually.. the userspace irq balancer won't balance irq 0 anyway, and if the sysadmin has a REAL good reason to move this himself... then why shouldn't we let him?
On Sun, 2007-06-10 at 09:44 +0000, Thomas Gleixner wrote: > plain text document attachment > (x86-64-clockevents-irq-balancing.patch) > From: Venki Pallipadi <venkatesh.pallipadi@intel.com> > > Disable irq balancing on IRQ0. > > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Cc: Andi Kleen <ak@suse.de> > > --- > arch/x86_64/kernel/time.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: linux-2.6.22-rc4-mm/arch/x86_64/kernel/time.c > =================================================================== > --- linux-2.6.22-rc4-mm.orig/arch/x86_64/kernel/time.c 2007-06-10 10:44:39.000000000 +0200 > +++ linux-2.6.22-rc4-mm/arch/x86_64/kernel/time.c 2007-06-10 10:44:40.000000000 +0200 > @@ -255,7 +255,7 @@ static unsigned int __init tsc_calibrate > > static struct irqaction irq0 = { > .handler = timer_interrupt, > - .flags = IRQF_DISABLED | IRQF_IRQPOLL, > + .flags = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING, > .mask = CPU_MASK_NONE, > .name = "timer" > };
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