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-rw-r--r--arch/x86/kernel/kprobes.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index b1804e40235..80bcb763546 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -263,15 +263,16 @@ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn)
return 0;
}
-#ifdef CONFIG_X86_64
/*
* Adjust the displacement if the instruction uses the %rip-relative
* addressing mode.
* If it does, Return the address of the 32-bit displacement word.
* If not, return null.
+ * Only applicable to 64-bit x86.
*/
static void __kprobes fix_riprel(struct kprobe *p)
{
+#ifdef CONFIG_X86_64
u8 *insn = p->ainsn.insn;
s64 disp;
int need_modrm;
@@ -335,15 +336,15 @@ static void __kprobes fix_riprel(struct kprobe *p)
*(s32 *)insn = (s32) disp;
}
}
-}
#endif
+}
static void __kprobes arch_copy_kprobe(struct kprobe *p)
{
memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
-#ifdef CONFIG_X86_64
+
fix_riprel(p);
-#endif
+
if (can_boost(p->addr))
p->ainsn.boostable = 0;
else