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Wed, 9 Oct 2024 18:49:44 +0000 Received: from CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::25a9:32c2:a7b0:de9e]) by CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::25a9:32c2:a7b0:de9e%4]) with mapi id 15.20.8026.020; Wed, 9 Oct 2024 18:49:44 +0000 References: <20241009105709.887510-1-bigeasy@linutronix.de> <20241009105709.887510-3-bigeasy@linutronix.de> <87iku1b2vf.fsf@oracle.com> <20241009133328.23fc671c@gandalf.local.home> User-agent: mu4e 1.4.10; emacs 27.2 From: Ankur Arora To: Steven Rostedt Cc: Ankur Arora , Sebastian Andrzej Siewior , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, "Peter Zijlstra" , tglx@linutronix.de, mingo@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, efault@gmx.de, Masami Hiramatsu , Mathieu Desnoyers Subject: Re: [PATCH 2/3] tracing: Record task flag NEED_RESCHED_LAZY. 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>> > if (test_preempt_need_resched()) >> > trace_flags |= TRACE_FLAG_PREEMPT_RESCHED; >> > + if (tif_test_bit(TIF_NEED_RESCHED_LAZY)) >> >> TIF_NEED_RESCHED_LAZY falls back to TIF_NEED_RESCHED without >> CONFIG_ARCH_HAS_PREEMPT_LAZY. So, you might need to add an explicit >> check for that as well. >> >> With that, >> Reviewed-by: Ankur Arora >> >> Ankur >> > > So this should be: > > if (IS_ENABLED(CONFIG_ARCH_HAS_PREEMPT_LAZY) && > tif_test_bit(TIF_NEED_RESCHED_LAZY)) > > ? Yeah, exactly that. -- ankur