n 6.5.3.3 (Guidance to
+ * Software for Invalidations).
+ */
+static inline void pasid_clear_present(struct pasid_entry *pe)
+{
+	pasid_set_bits(&pe->val[0], 1 << 0, 0);
+	dma_wmb();
+}
+
 /*
  * Setup Page Walk Snoop bit (Bit 87) of a scalable mode PASID
  * entry.
-- 
2.51.0[PATCH 6.19 355/781] iommu/vt-d: Clear Present bit before tearing down PASID entryGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined undefined undefined undefinedŒi†˜