diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2023-09-11 21:40:13 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-09-19 13:26:57 +0200 |
| commit | 99441a38c391b1115e405d1f47ede237fca37f1b (patch) | |
| tree | e670a800462f762c2b8525aac891811634918cce /arch/s390/kernel/early.c | |
| parent | 9c66cc5609b13899ef7d143f51c59bdcfd63484d (diff) | |
s390: use control register bit defines
Use control register bit defines instead of plain numbers where
possible.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 0beaa0ba58a8..ff1f02b54771 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -216,7 +216,7 @@ static __init void detect_machine_facilities(void) { if (test_facility(8)) { S390_lowcore.machine_flags |= MACHINE_FLAG_EDAT1; - system_ctl_set_bit(0, 23); + system_ctl_set_bit(0, CR0_EDAT_BIT); } if (test_facility(78)) S390_lowcore.machine_flags |= MACHINE_FLAG_EDAT2; @@ -224,13 +224,13 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_IDTE; if (test_facility(50) && test_facility(73)) { S390_lowcore.machine_flags |= MACHINE_FLAG_TE; - system_ctl_set_bit(0, 55); + system_ctl_set_bit(0, CR0_TRANSACTIONAL_EXECUTION_BIT); } if (test_facility(51)) S390_lowcore.machine_flags |= MACHINE_FLAG_TLB_LC; if (test_facility(129)) { S390_lowcore.machine_flags |= MACHINE_FLAG_VX; - system_ctl_set_bit(0, 17); + system_ctl_set_bit(0, CR0_VECTOR_BIT); } if (test_facility(130)) S390_lowcore.machine_flags |= MACHINE_FLAG_NX; @@ -240,7 +240,7 @@ static __init void detect_machine_facilities(void) /* Enabled signed clock comparator comparisons */ S390_lowcore.machine_flags |= MACHINE_FLAG_SCC; clock_comparator_max = -1ULL >> 1; - system_ctl_set_bit(0, 53); + system_ctl_set_bit(0, CR0_CLOCK_COMPARATOR_SIGN_BIT); } if (IS_ENABLED(CONFIG_PCI) && test_facility(153)) { S390_lowcore.machine_flags |= MACHINE_FLAG_PCI_MIO; @@ -260,7 +260,7 @@ static inline void save_vector_registers(void) static inline void setup_low_address_protection(void) { - system_ctl_set_bit(0, 28); + system_ctl_set_bit(0, CR0_LOW_ADDRESS_PROTECTION_BIT); } static inline void setup_access_registers(void) @@ -273,7 +273,7 @@ static inline void setup_access_registers(void) static int __init disable_vector_extension(char *str) { S390_lowcore.machine_flags &= ~MACHINE_FLAG_VX; - system_ctl_clear_bit(0, 17); + system_ctl_clear_bit(0, CR0_VECTOR_BIT); return 0; } early_param("novx", disable_vector_extension); |