X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fs390%2Fkernel%2Fkprobes.c;h=4f82e5b5f879f53d5f76effb049ed8020e019b61;hb=996abf053eec4d67136be8b911bbaaf989cfb99c;hp=ed04d1372d5d0c536b4a24713bf10d041bc79458;hpb=96916090f488986a4ebb8e9ffa6a3b50881d5ccd;p=linux-2.6

diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index ed04d1372d..4f82e5b5f8 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -41,10 +41,8 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
 	if (is_prohibited_opcode((kprobe_opcode_t *) p->addr))
 		return -EINVAL;
 
-	if ((unsigned long)p->addr & 0x01) {
-		printk("Attempt to register kprobe at an unaligned address\n");
+	if ((unsigned long)p->addr & 0x01)
 		return -EINVAL;
-		}
 
 	/* Use the get_insn_slot() facility for correctness */
 	if (!(p->ainsn.insn = get_insn_slot()))
@@ -272,7 +270,6 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
 	__ctl_store(kcb->kprobe_saved_ctl, 9, 11);
 }
 
-/* Called with kretprobe_lock held */
 void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
 					struct pt_regs *regs)
 {
@@ -379,8 +376,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
 	unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
 
 	INIT_HLIST_HEAD(&empty_rp);
-	spin_lock_irqsave(&kretprobe_lock, flags);
-	head = kretprobe_inst_table_head(current);
+	kretprobe_hash_lock(current, &head, &flags);
 
 	/*
 	 * It is possible to have multiple instances associated with a given
@@ -419,7 +415,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
 	regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
 
 	reset_current_kprobe();
-	spin_unlock_irqrestore(&kretprobe_lock, flags);
+	kretprobe_hash_unlock(current, &flags);
 	preempt_enable_no_resched();
 
 	hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {