diff options
| -rw-r--r-- | include/asm-powerpc/kprobes.h | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/kprobes.h | 2 | ||||
| -rw-r--r-- | kernel/kprobes.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h index 0654f79b06df..7c98e547c6d8 100644 --- a/include/asm-powerpc/kprobes.h +++ b/include/asm-powerpc/kprobes.h @@ -30,6 +30,8 @@ #include <linux/ptrace.h> #include <linux/percpu.h> +#define __ARCH_WANT_KPROBES_INSN_SLOT + struct pt_regs; typedef unsigned int kprobe_opcode_t; diff --git a/include/asm-x86_64/kprobes.h b/include/asm-x86_64/kprobes.h index 4dd7a7e148d4..9e2532adf42c 100644 --- a/include/asm-x86_64/kprobes.h +++ b/include/asm-x86_64/kprobes.h @@ -27,6 +27,8 @@ #include <linux/ptrace.h> #include <linux/percpu.h> +#define __ARCH_WANT_KPROBES_INSN_SLOT + struct pt_regs; typedef u8 kprobe_opcode_t; diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 3bb71e63a37e..3897630d2335 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -52,6 +52,7 @@ static DEFINE_SPINLOCK(kprobe_lock); /* Protects kprobe_table */ DEFINE_SPINLOCK(kretprobe_lock); /* Protects kretprobe_inst_table */ static DEFINE_PER_CPU(struct kprobe *, kprobe_instance) = NULL; +#ifdef __ARCH_WANT_KPROBES_INSN_SLOT /* * kprobe->ainsn.insn points to the copy of the instruction to be * single-stepped. x86_64, POWER4 and above have no-exec support and @@ -151,6 +152,7 @@ void __kprobes free_insn_slot(kprobe_opcode_t *slot) } } } +#endif /* We have preemption disabled.. so it is safe to use __ versions */ static inline void set_kprobe_instance(struct kprobe *kp) |