linux-kernel - [PATCH v2 4/9] tracing, preempt: Squash

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Message-ID: <20230126151323.526275416@infradead.org>
Date:   Thu, 26 Jan 2023 16:08:33 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     mingo@...nel.org
Cc:     will@...nel.org, peterz@...radead.org, boqun.feng@...il.com,
        mark.rutland@....com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org,
        hpa@...or.com, seanjc@...gle.com, pbonzini@...hat.com,
        jgross@...e.com, srivatsa@...il.mit.edu, amakhalov@...are.com,
        pv-drivers@...are.com, wanpengli@...cent.com, vkuznets@...hat.com,
        boris.ostrovsky@...cle.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, lpieralisi@...nel.org,
        frederic@...nel.org, paulmck@...nel.org, rostedt@...dmis.org,
        mhiramat@...nel.org, longman@...hat.com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        bsegall@...gle.com, mgorman@...e.de, bristot@...hat.com,
        vschneid@...hat.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        linux-pm@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: [PATCH v2 4/9] tracing, preempt: Squash _rcuidle tracing

Extend commit 9aedeaed6fc6 ("tracing, hardirq: No moar _rcuidle()
tracing") to also cover trace_preempt_{on,off}() which were
mysteriously untouched.

Fixes: 9aedeaed6fc6 ("tracing, hardirq: No moar _rcuidle() tracing")
Reported-by: Mark Rutland <mark.rutland@....com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Tested-by: Mark Rutland <mark.rutland@....com>
Link: https://lkml.kernel.org/r/Y9D5AfnOukWNOZ5q@hirez.programming.kicks-ass.net
---
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index f992444a0b1f..ea96b41c8838 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -100,15 +100,13 @@ NOKPROBE_SYMBOL(trace_hardirqs_off);
 
 void trace_preempt_on(unsigned long a0, unsigned long a1)
 {
-	if (!in_nmi())
-		trace_preempt_enable_rcuidle(a0, a1);
+	trace(preempt_enable)(a0, a1);
 	tracer_preempt_on(a0, a1);
 }
 
 void trace_preempt_off(unsigned long a0, unsigned long a1)
 {
-	if (!in_nmi())
-		trace_preempt_disable_rcuidle(a0, a1);
+	trace(preempt_disable)(a0, a1);
 	tracer_preempt_off(a0, a1);
 }
 #endif