Messages in this thread | | | Subject | Re: [patch] irq: use config_enabled(SMP) checks to cleanup irq_set_affinity() for UP | From | Suresh Siddha <> | Date | Thu, 07 Jun 2012 13:31:23 -0700 |
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On Wed, 2012-06-06 at 18:36 -0700, Yinghai Lu wrote: > On Wed, Jun 6, 2012 at 4:29 PM, Suresh Siddha <suresh.b.siddha@intel.com> wrote: > > On Ingo's request, re-basing the previous version > > (http://marc.info/?l=linux-kernel&m=133667389223282) to the latest -tip > > tree. Thanks. > > --- > > From: Suresh Siddha <suresh.b.siddha@intel.com> > > Subject: irq: use config_enabled(CONFIG_SMP) checks to cleanup irq_set_affinity() for UP > > > > Use config_enabled(CONFIG_SMP) checks for cleaning up the ifdef CONFIG_SMP > > around irq_set_affinity routines in io_apic and irq_remapping subsystems. > > can you just use > if (nr_cpu_ids > 1) > checking instead > if config_enabled(CONFIG_SMP)
Idea is to not have any extra runtime checks if CONFIG_SMP is enabled and which is when all the smp affinity routines are used/invoked.
thanks, suresh
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