Commit b8209182 authored Nov 26, 2008 by Wu Fengguang Committed by Avi Kivity Dec 31, 2008

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 <wfg@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 6692cef3

virt/kvm/kvm_trace.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);