s390/crypto: add cpu feature modaliases for crypto modules
Use the module_cpu_feature_match() module init function to add an
module alias based on required CPU features. The modules are
automatically loaded on hardware that supports the required CPU features.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/crypto/ghash_s390.c b/arch/s390/crypto/ghash_s390.c
index b258110..26e14ef 100644
--- a/arch/s390/crypto/ghash_s390.c
+++ b/arch/s390/crypto/ghash_s390.c
@@ -9,6 +9,7 @@
#include <crypto/internal/hash.h>
#include <linux/module.h>
+#include <linux/cpufeature.h>
#include "crypt_s390.h"
@@ -158,7 +159,7 @@
crypto_unregister_shash(&ghash_alg);
}
-module_init(ghash_mod_init);
+module_cpu_feature_match(MSA, ghash_mod_init);
module_exit(ghash_mod_exit);
MODULE_ALIAS_CRYPTO("ghash");