Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH v2 7/9] x86/kprobes: Make trampoline_handler global and visible | Date | Fri, 29 Mar 2019 17:47:41 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
This function is referenced from assembler, so in LTO it needs to be global and visible to not be optimized away.
Cc: mhiramat@kernel.org Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Andi Kleen <ak@linux.intel.com> --- 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 31ab91c9c4e9..1309a4eb3119 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -752,7 +752,7 @@ STACK_FRAME_NON_STANDARD(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 kretprobe_instance *ri = NULL; struct hlist_head *head, empty_rp; -- 2.20.1
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