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>
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@ -252,6 +252,7 @@ void kvm_trace_cleanup(void)
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struct kvm_trace_probe *p = &kvm_trace_probes[i];
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marker_probe_unregister(p->name, p->probe_func, p);
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}
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marker_synchronize_unregister();
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relay_close(kt->rchan);
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debugfs_remove(kt->lost_file);
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