Commit c8cc7e85 authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

lockdep: Noinstr annotate warn_bogus_irq_restore() 



  vmlinux.o: warning: objtool: lock_is_held_type()+0x107: call to warn_bogus_irq_restore() leaves .noinstr.text section

As per the general rule that WARNs are allowed to violate noinstr to
get out, annotate it away.

Fixes: 997acaf6 ("lockdep: report broken irq restoration")
Reported-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lkml.kernel.org/r/YCKyYg53mMp4E7YI@hirez.programming.kicks-ass.net
parent 7f82e631

kernel/locking/irqflag-debug.c

+3 −1
Original line number Diff line number Diff line
@@ -4,8 +4,10 @@ 
#include <linux/export.h>

#include <linux/irqflags.h>



void warn_bogus_irq_restore(void)

noinstr void warn_bogus_irq_restore(void)

{

	instrumentation_begin();

	WARN_ONCE(1, "raw_local_irq_restore() called with IRQs enabled\n");

	instrumentation_end();

}

EXPORT_SYMBOL(warn_bogus_irq_restore);