Messages in this thread Patch in this message | | | Date | Wed, 8 May 2019 04:20:41 -0700 | From | tip-bot for Andi Kleen <> | Subject | [tip:x86/urgent] x86/kprobes: Make trampoline_handler() global and visible |
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Commit-ID: 0e72499c3cc0cead32f88b94a02204d2b80768bf Gitweb: https://git.kernel.org/tip/0e72499c3cc0cead32f88b94a02204d2b80768bf Author: Andi Kleen <ak@linux.intel.com> AuthorDate: Fri, 29 Mar 2019 17:47:41 -0700 Committer: Ingo Molnar <mingo@kernel.org> 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@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> --- 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;
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