diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-05-05 15:45:48 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-05-05 15:45:48 +1000 |
| commit | f18fc729cd2d67b76e24206ee3567c1f6983c358 (patch) | |
| tree | 9dbf177222d94213d9dd82d67de6d905e1a2b278 /arch/powerpc/kernel/kprobes.c | |
| parent | 5a43ee65620d628ba04deecf241b63b2410b97f2 (diff) | |
| parent | d98550e334715b2d9e45f8f0f4e1608720108640 (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
| -rw-r--r-- | arch/powerpc/kernel/kprobes.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 856ef1a832b..f78866367b7 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -90,15 +90,15 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) { - kprobe_opcode_t insn = *p->ainsn.insn; - regs->msr |= MSR_SE; - /* single step inline if it is a trap variant */ - if (is_trap(insn)) - regs->nip = (unsigned long)p->addr; - else - regs->nip = (unsigned long)p->ainsn.insn; + /* + * On powerpc we should single step on the original + * instruction even if the probed insn is a trap + * variant as values in regs could play a part in + * if the trap is taken or not + */ + regs->nip = (unsigned long)p->ainsn.insn; } static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) |