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@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112195541.355283994@infradead.org

diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index 1e130da1b742c663e6c578ccf581ec05635baa6a..629f2854e12b534a390344144e543d396e120464 100644 (file)
--- 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