forked from luck/tmp_suning_uos_patched
kvm: vmx: fix formatting of a comment
Eliminate a gratuitous conflict with 5.0. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -1213,13 +1213,13 @@ static void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu)
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new.control) != old.control);
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/*
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* Clear SN before reading the bitmap; this ensures that any
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* interrupt that comes after the bitmap is read sets ON. The
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* VT-d firmware * writes the bitmap and reads SN atomically (5.2.3
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* in the spec), so it doesn't really have a memory barrier that
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* pairs with this. However, we cannot do that and we need one.
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* Clear SN before reading the bitmap. The VT-d firmware
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* writes the bitmap and reads SN atomically (5.2.3 in the
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* spec), so it doesn't really have a memory barrier that
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* pairs with this, but we cannot do that and we need one.
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*/
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smp_mb__after_atomic();
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if (!bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS))
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pi_set_on(pi_desc);
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}
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