diff options
Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
-rw-r--r-- | arch/powerpc/kernel/kprobes.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 560f430da478..2156ea90eb54 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -36,12 +36,6 @@ #include <asm/sstep.h> #include <asm/uaccess.h> -#ifdef CONFIG_PPC_ADV_DEBUG_REGS -#define MSR_SINGLESTEP (MSR_DE) -#else -#define MSR_SINGLESTEP (MSR_SE) -#endif - DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); @@ -104,19 +98,7 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) { - regs->msr |= MSR_SINGLESTEP; -#ifdef CONFIG_PPC_ADV_DEBUG_REGS - /* - * We turn off Critical Input Exception(CE) to ensure that the single - * step will be for the instruction we have the probe on; if we don't, - * it is possible we'd get the single step reported for CE. - */ - regs->msr &= ~MSR_CE; - mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); -#ifdef CONFIG_PPC_47x - isync(); -#endif -#endif + enable_single_step(regs); /* * On powerpc we should single step on the original |