diff options
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9d151808d03e..5715d1aab173 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -149,22 +149,14 @@ static __init void setup_topology(void) topology_max_mnest = max_mnest; } -static void early_pgm_check_handler(void) +static void early_pgm_check_handler(struct pt_regs *regs) { const struct exception_table_entry *fixup; - unsigned long cr0, cr0_new; - unsigned long addr; - addr = S390_lowcore.program_old_psw.addr; - fixup = s390_search_extables(addr); + fixup = s390_search_extables(regs->psw.addr); if (!fixup) disabled_wait(); - /* Disable low address protection before storing into lowcore. */ - __ctl_store(cr0, 0, 0); - cr0_new = cr0 & ~(1UL << 28); - __ctl_load(cr0_new, 0, 0); - S390_lowcore.program_old_psw.addr = extable_fixup(fixup); - __ctl_load(cr0, 0, 0); + regs->psw.addr = extable_fixup(fixup); } static noinline __init void setup_lowcore_early(void) |