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Date: Mon, 28 Sep 2020 14:35:27 -0400 From: Nitesh Narayan Lal <nitesh@...hat.com> To: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, linux-pci@...r.kernel.org, intel-wired-lan@...ts.osuosl.org, frederic@...nel.org, mtosatti@...hat.com, sassmann@...hat.com, jesse.brandeburg@...el.com, lihong.yang@...el.com, helgaas@...nel.org, nitesh@...hat.com, jeffrey.t.kirsher@...el.com, jacob.e.keller@...el.com, jlelli@...hat.com, hch@...radead.org, bhelgaas@...gle.com, mike.marciniszyn@...el.com, dennis.dalessandro@...el.com, thomas.lendacky@....com, jiri@...dia.com, mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com, vincent.guittot@...aro.org, lgoncalv@...hat.com Subject: [PATCH v4 2/4] sched/isolation: Extend nohz_full to isolate managed IRQs Extend nohz_full feature set to include isolation from managed IRQS. This is required specifically for setups that only uses nohz_full and still requires isolation for maintaining lower latency for the listed CPUs. Suggested-by: Frederic Weisbecker <frederic@...nel.org> Signed-off-by: Nitesh Narayan Lal <nitesh@...hat.com> --- kernel/sched/isolation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c index 5a6ea03f9882..9df9598a9e39 100644 --- a/kernel/sched/isolation.c +++ b/kernel/sched/isolation.c @@ -141,7 +141,7 @@ static int __init housekeeping_nohz_full_setup(char *str) unsigned int flags; flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER | HK_FLAG_RCU | - HK_FLAG_MISC | HK_FLAG_KTHREAD; + HK_FLAG_MISC | HK_FLAG_KTHREAD | HK_FLAG_MANAGED_IRQ; return housekeeping_setup(str, flags); } -- 2.18.2
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