iommu: remove read_msi_from_ire hook

It's now unused after commit 28fb8cf323dd93f59a9c851c93ba9b79de8b1c4e.

Fixes: 28fb8cf323d ('x86/iommu: remove code to fetch MSI message from remap table')
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

diff --git a/xen/include/xen/iommu.h b/xen/include/xen/iommu.h
index d59ed7cbad43dc1e37163ecd3cbdae1c1189e0df..ea0cd0f1a2a4558eab4488468272f3ed35dd1dc0 100644 (file)
--- a/xen/include/xen/iommu.h
+++ b/xen/include/xen/iommu.h
@@ -244,7 +244,6 @@ struct iommu_ops {
 #ifdef CONFIG_HAS_PCI
     int (*get_device_group_id)(u16 seg, u8 bus, u8 devfn);
     int (*update_ire_from_msi)(struct msi_desc *msi_desc, struct msi_msg *msg);
-    void (*read_msi_from_ire)(struct msi_desc *msi_desc, struct msi_msg *msg);
 #endif /* HAS_PCI */
 
     void (*teardown)(struct domain *d);