linux-kernel - [tip: sched/core] tracing: Remove trace_hardirqs_{on,off}

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Date:   Fri, 13 Jan 2023 12:31:08 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: sched/core] tracing: Remove trace_hardirqs_{on,off}_caller()

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     dc7305606d480f34d9ed960fcaceac81d0f38436
Gitweb:        https://git.kernel.org/tip/dc7305606d480f34d9ed960fcaceac81d0f38436
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Thu, 12 Jan 2023 20:43:47 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 13 Jan 2023 11:48:16 +01:00

tracing: Remove trace_hardirqs_{on,off}_caller()

Per commit 56e62a737028 ("s390: convert to generic entry") the last
and only callers of trace_hardirqs_{on,off}_caller() went away, clean
up.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20230112195541.355283994@infradead.org
---
 kernel/trace/trace_preemptirq.c | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index 1e130da..629f285 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -84,35 +84,6 @@ void trace_hardirqs_off(void)
 }
 EXPORT_SYMBOL(trace_hardirqs_off);
 NOKPROBE_SYMBOL(trace_hardirqs_off);
-
-__visible void trace_hardirqs_on_caller(unsigned long caller_addr)
-{
-	if (this_cpu_read(tracing_irq_cpu)) {
-		if (!in_nmi())
-			trace_irq_enable_rcuidle(CALLER_ADDR0, caller_addr);
-		tracer_hardirqs_on(CALLER_ADDR0, caller_addr);
-		this_cpu_write(tracing_irq_cpu, 0);
-	}
-
-	lockdep_hardirqs_on_prepare();
-	lockdep_hardirqs_on(caller_addr);
-}
-EXPORT_SYMBOL(trace_hardirqs_on_caller);
-NOKPROBE_SYMBOL(trace_hardirqs_on_caller);
-
-__visible void trace_hardirqs_off_caller(unsigned long caller_addr)
-{
-	lockdep_hardirqs_off(caller_addr);
-
-	if (!this_cpu_read(tracing_irq_cpu)) {
-		this_cpu_write(tracing_irq_cpu, 1);
-		tracer_hardirqs_off(CALLER_ADDR0, caller_addr);
-		if (!in_nmi())
-			trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr);
-	}
-}
-EXPORT_SYMBOL(trace_hardirqs_off_caller);
-NOKPROBE_SYMBOL(trace_hardirqs_off_caller);
 #endif /* CONFIG_TRACE_IRQFLAGS */
 
 #ifdef CONFIG_TRACE_PREEMPT_TOGGLE