From 371db06b017c518da2d69ae278c5978ebcd1041a Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Wed, 5 Jan 2011 12:47:21 +0100 Subject: [S390] kprobes: insn slots The s390 architecture can execute code on kmalloc/vmalloc memory. No need for the __ARCH_WANT_KPROBES_INSN_SLOT detour. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/kprobes.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'arch/s390/kernel/kprobes.c') diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index f68eaaaa8062..61f0b6c3618c 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -126,10 +126,6 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) if (is_prohibited_opcode((kprobe_opcode_t *) p->addr)) return -EINVAL; - /* Use the get_insn_slot() facility for correctness */ - if (!(p->ainsn.insn = get_insn_slot())) - return -ENOMEM; - p->opcode = *p->addr; memcpy(p->ainsn.insn, p->addr, ((p->opcode >> 14) + 3) & -2); @@ -173,10 +169,6 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - if (p->ainsn.insn) { - free_insn_slot(p->ainsn.insn, 0); - p->ainsn.insn = NULL; - } } static void __kprobes enable_singlestep(struct kprobe_ctlblk *kcb, -- cgit v1.2.3