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x86/kprobes: Remove trampoline_handler() prototype 

... and make it static. It is called only by the kretprobe_trampoline()
from asm.

It was marked __visible so that it is visible outside of the current
compilation unit but that is not needed as it is used only in this
compilation unit.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20181205162526.GB109259@gmail.com
This commit is contained in:
Borislav Petkov 2018-12-07 20:38:09 +01:00
parent ad3bc25a32
commit 4b1bacab61
1 changed files with 1 additions and 3 deletions
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4
arch/x86/kernel/kprobes/core.c
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@ -66,8 +66,6 @@
#include "common.h" #include "common.h"
void *trampoline_handler(struct pt_regs *regs);
DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
@ -753,7 +751,7 @@ STACK_FRAME_NON_STANDARD(kretprobe_trampoline);
/* /*
* Called from kretprobe_trampoline * Called from kretprobe_trampoline
*/ */
__visible __used void *trampoline_handler(struct pt_regs *regs) static __used void *trampoline_handler(struct pt_regs *regs)
{ {
struct kretprobe_instance *ri = NULL; struct kretprobe_instance *ri = NULL;
struct hlist_head *head, empty_rp; struct hlist_head *head, empty_rp;