[PATCH v2] KVM: Clarify KVM_ASSIGN_PCI_DEVICE documentation

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From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>

Neither host_irq nor the guest_msi struct are used anymore today.
Tag the former, drop the latter to avoid confusion.

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
 Documentation/virtual/kvm/api.txt |    7 +------
 include/linux/kvm.h               |    8 +-------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 2bd06b0..0ebe922 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1143,15 +1143,10 @@ Assigns an IRQ to a passed-through device.
 
 struct kvm_assigned_irq {
 	__u32 assigned_dev_id;
-	__u32 host_irq;
+	__u32 host_irq; /* ignored (legacy field) */
 	__u32 guest_irq;
 	__u32 flags;
 	union {
-		struct {
-			__u32 addr_lo;
-			__u32 addr_hi;
-			__u32 data;
-		} guest_msi;
 		__u32 reserved[12];
 	};
 };
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 55ef181..9c9ca7c 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -773,20 +773,14 @@ struct kvm_assigned_pci_dev {
 
 struct kvm_assigned_irq {
 	__u32 assigned_dev_id;
-	__u32 host_irq;
+	__u32 host_irq; /* ignored (legacy field) */
 	__u32 guest_irq;
 	__u32 flags;
 	union {
-		struct {
-			__u32 addr_lo;
-			__u32 addr_hi;
-			__u32 data;
-		} guest_msi;
 		__u32 reserved[12];
 	};
 };
 
-
 struct kvm_assigned_msix_nr {
 	__u32 assigned_dev_id;
 	__u16 entry_nr;
-- 
1.7.1
--
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