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x86/kprobes: Make trampoline_handler() global and visible

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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>
This commit is contained in:
Andi Kleen 2019-03-29 17:47:41 -07:00 committed by Ingo Molnar
parent 81d30225bc
commit 0e72499c3c
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/kprobes/core.c
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@ -768,7 +768,7 @@ static struct kprobe kretprobe_kprobe = {
/* /*
* Called from kretprobe_trampoline * 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 kprobe_ctlblk *kcb;
struct kretprobe_instance *ri = NULL; struct kretprobe_instance *ri = NULL;