Adding a logical chain to define the architecture

SPECS/kernel-lt-6.1.spec

@@ -707,6 +707,8 @@ popd > /dev/null
 popd > /dev/null
 
 %install
+%ifarch x86_64
+
 %define __modsign_install_post \
 if [ "%{signmodules}" -eq "1" ]; then \
 	if [ "%{with_std}" -ne "0" ]; then \
@@ -718,6 +720,20 @@ if [ "%{zipmodules}" -eq "1" ]; then \
 fi \
 %{nil}
 
+%else
+
+%define __modsign_install_post \
+if [ "%{signmodules}" -eq "1" ]; then \
+	if [ "%{with_std}" -ne "0" ]; then \
+        %{SOURCE21} linux-%{version}-%{release}.aarch64/certs/signing_key.pem.sign linux-%{version}-%{release}.aarch64/certs/signing_key.x509.sign $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/ \
+	fi \
+fi \
+if [ "%{zipmodules}" -eq "1" ]; then \
+	find $RPM_BUILD_ROOT/lib/modules/ -name '*.ko' -type f | xargs --no-run-if-empty -P%{zcpu} xz \
+fi \
+%{nil}
+
+
 #
 # Ensure modules are signed *after* all invocations of
 # strip have occured, which are in __os_install_post.