[PATCH v3 33/51] trace: Remove trace_hardirqs_{on,off}_caller()

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

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

Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 kernel/trace/trace_preemptirq.c |   29 -----------------------------
 1 file changed, 29 deletions(-)

--- 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