[S390] cleanup facility list handling

Store the facility list once at system startup with stfl/stfle and
reuse the result for all facility tests.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index 0ef9829f2ad6..7ee9a1b4ad9f 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -297,7 +297,7 @@ static inline int crypt_s390_func_available(int func)
         int ret;
 
         /* check if CPACF facility (bit 17) is available */
-        if (!(stfl() & 1ULL << (31 - 17)))
+        if (!test_facility(17))
                 return 0;
 
         switch (func & CRYPT_S390_OP_MASK) {