From 14375bc4eb8dd0fb0e765390650564c35bb31068 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Mon, 25 Oct 2010 16:10:51 +0200 Subject: [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 --- drivers/s390/crypto/ap_bus.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 91c6028..8fd8c62 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -154,14 +154,7 @@ static inline int ap_instructions_available(void) */ static int ap_interrupts_available(void) { - unsigned long long facility_bits[2]; - - if (stfle(facility_bits, 2) <= 1) - return 0; - if (!(facility_bits[0] & (1ULL << 61)) || - !(facility_bits[1] & (1ULL << 62))) - return 0; - return 1; + return test_facility(1) && test_facility(2); } /** -- cgit v1.1