Commit 0e72499c authored Mar 29, 2019 by Andi Kleen Committed by Ingo Molnar May 08, 2019

x86/kprobes: Make trampoline_handler() global and visible



This function is referenced from assembler, so in LTO
it needs to be global and visible to not be optimized away.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20190330004743.29541-7-andi@firstfloor.org


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 81d30225

arch/x86/kernel/kprobes/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -768,7 +768,7 @@ static struct kprobe kretprobe_kprobe = {
		/*
		* Called from kretprobe_trampoline
		*/
		static __used void trampoline_handler(struct pt_regs regs)
		__used __visible void trampoline_handler(struct pt_regs regs)
		{
		struct kprobe_ctlblk *kcb;
		struct kretprobe_instance *ri = NULL;