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| /openbmc/linux/arch/x86/kvm/ |
| H A D | hyperv.c | diff 452a68d0ef341c4d544757e02154788227b2a08b Mon May 07 12:24:34 CDT 2018 Paolo Bonzini <pbonzini@redhat.com> KVM: hyperv: idr_find needs RCU protection
Even though the eventfd is released after the KVM SRCU grace period
elapses, the conn_to_evt data structure itself is not; it uses RCU
internally, instead. Fix the read-side critical section to happen
under rcu_read_lock/unlock; the result is still protected by
vcpu->kvm->srcu.
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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