Commit-ID: 0e72499c3cc0cead32f88b94a02204d2b80768bf
Gitweb: https://git.kernel.org/tip/0e72499c3cc0cead32f88b94a02204d2b80768bf
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Fri, 29 Mar 2019 17:47:41 -0700
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 8 May 2019 13:13:58 +0200
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@xxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190330004743.29541-7-andi@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/kprobes/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index cf52ee0d8711..9e4fa2484d10 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -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;
|