diff options
Diffstat (limited to 'arch/x86/kernel/kprobes/opt.c')
-rw-r--r-- | arch/x86/kernel/kprobes/opt.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c index 8900329c28a7..9b01ee7b3923 100644 --- a/arch/x86/kernel/kprobes/opt.c +++ b/arch/x86/kernel/kprobes/opt.c @@ -447,18 +447,13 @@ void arch_optimize_kprobes(struct list_head *oplist) void arch_unoptimize_kprobe(struct optimized_kprobe *op) { u8 insn_buff[RELATIVEJUMP_SIZE]; - u8 emulate_buff[RELATIVEJUMP_SIZE]; /* Set int3 to first byte for kprobes */ insn_buff[0] = BREAKPOINT_INSTRUCTION; memcpy(insn_buff + 1, op->optinsn.copied_insn, RELATIVE_ADDR_SIZE); - emulate_buff[0] = RELATIVEJUMP_OPCODE; - *(s32 *)(&emulate_buff[1]) = (s32)((long)op->optinsn.insn - - ((long)op->kp.addr + RELATIVEJUMP_SIZE)); - text_poke_bp(op->kp.addr, insn_buff, RELATIVEJUMP_SIZE, - emulate_buff); + text_gen_insn(JMP32_INSN_OPCODE, op->kp.addr, op->optinsn.insn)); } /* |