From: Wu Fengguang <fengguang...@intel.com>
Add marker_synchronize_unregister() before module unloading.
This prevents possible trace calls into unloaded module text.
Signed-off-by: Wu Fengguang <w...@linux.intel.com>
Signed-off-by: Avi Kivity <a...@redhat.com>
---
virt/kvm/kvm_trace.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c
index 41dcc84..f598744 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);
--
1.6.0.3
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