From b82091824ee4970adf92d5cd6d57b12273171625 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Wed, 26 Nov 2008 19:59:06 +0800 Subject: KVM: Prevent trace call into unloaded module text Add marker_synchronize_unregister() before module unloading. This prevents possible trace calls into unloaded module text. Signed-off-by: Wu Fengguang Signed-off-by: Avi Kivity --- virt/kvm/kvm_trace.c | 1 + 1 file changed, 1 insertion(+) (limited to 'virt/kvm/kvm_trace.c') diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c index 41dcc845f78c..f59874446440 100644 --- a/virt/kvm/kvm_trace.c +++ b/virt/kvm/kvm_trace.c @@ -252,6 +252,7 @@ void kvm_trace_cleanup(void) struct kvm_trace_probe *p = &kvm_trace_probes[i]; marker_probe_unregister(p->name, p->probe_func, p); } + marker_synchronize_unregister(); relay_close(kt->rchan); debugfs_remove(kt->lost_file); -- cgit v1.2.3-59-g8ed1b