bpf: enable access to ax register also from verifier rewrite

[linux-2.6-microblaze.git] / kernel / kprobes.c

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 90569ae..f4ddfdd 100644 (file)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -229,7 +229,7 @@ static int collect_garbage_slots(struct kprobe_insn_cache *c)
        struct kprobe_insn_page *kip, *next;
 
        /* Ensure no-one is interrupted on the garbages */
-       synchronize_sched();
+       synchronize_rcu();
 
        list_for_each_entry_safe(kip, next, &c->pages, list) {
                int i;
@@ -1382,7 +1382,7 @@ out:
                        if (ret) {
                                ap->flags |= KPROBE_FLAG_DISABLED;
                                list_del_rcu(&p->list);
-                               synchronize_sched();
+                               synchronize_rcu();
                        }
                }
        }
@@ -1597,7 +1597,7 @@ int register_kprobe(struct kprobe *p)
                ret = arm_kprobe(p);
                if (ret) {
                        hlist_del_rcu(&p->hlist);
-                       synchronize_sched();
+                       synchronize_rcu();
                        goto out;
                }
        }
@@ -1776,7 +1776,7 @@ void unregister_kprobes(struct kprobe **kps, int num)
                        kps[i]->addr = NULL;
        mutex_unlock(&kprobe_mutex);
 
-       synchronize_sched();
+       synchronize_rcu();
        for (i = 0; i < num; i++)
                if (kps[i]->addr)
                        __unregister_kprobe_bottom(kps[i]);
@@ -1966,7 +1966,7 @@ void unregister_kretprobes(struct kretprobe **rps, int num)
                        rps[i]->kp.addr = NULL;
        mutex_unlock(&kprobe_mutex);
 
-       synchronize_sched();
+       synchronize_rcu();
        for (i = 0; i < num; i++) {
                if (rps[i]->kp.addr) {
                        __unregister_kprobe_bottom(&rps[i]->kp);