fix(pkg): build dkms kvm from 7.2.9 and pin to the exact release

packaging/vfio-native-kvm-dkms/vfio-native-kvm-dkms.install

@@ -1,8 +1,8 @@
 post_install() {
-    cat <<'MSG'
+    cat <<MSG
 
   vfio-native-kvm-dkms: DKMS builds the patched kvm, kvm-amd and kvm-intel
-  for every installed 7.2.x kernel with headers, into updates/, which modprobe
+  for every installed ${1%-*} kernel with headers, into updates/, which modprobe
   prefers over the in-tree modules. They are NOT loaded yet.
 
   With every VM shut down:
@@ -14,11 +14,11 @@ post_install() {
       cat /sys/module/kvm/srcversion /sys/module/kvm_amd/srcversion
       modinfo -F srcversion kvm kvm_amd
 
-  THE PIN: these are 7.2.3's KVM sources. DKMS refuses to build them for a
-  kernel outside 7.2.x, the stock modules load silently, and three detections
-  come back. A pacman hook warns when that happens.
+  THE PIN: these are ${1%-*}'s KVM sources. DKMS refuses to build them for
+  any other kernel release, the stock modules load silently, and three
+  detections come back. A pacman hook warns when that happens.
 
 MSG
 }
-post_upgrade() { post_install; }
+post_upgrade() { post_install "$1"; }
 post_remove() { echo "  Stock KVM loads on the next boot, or reload the modules now."; }