diff options
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index c8e8e1354e1d..e3ceb911dc75 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -409,6 +409,9 @@ setup_lowcore(void) lc->current_task = (unsigned long) init_thread_union.thread_info.task; lc->thread_info = (unsigned long) &init_thread_union; lc->machine_flags = S390_lowcore.machine_flags; + lc->stfl_fac_list = S390_lowcore.stfl_fac_list; + memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list, + MAX_FACILITY_BIT/8); #ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) { lc->extended_save_area_addr = (__u32) @@ -627,7 +630,8 @@ setup_memory(void) add_active_range(0, start_chunk, end_chunk); pfn = max(start_chunk, start_pfn); for (; pfn < end_chunk; pfn++) - page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY); + page_set_storage_key(PFN_PHYS(pfn), + PAGE_DEFAULT_KEY, 0); } psw_set_key(PAGE_DEFAULT_KEY); @@ -674,12 +678,9 @@ setup_memory(void) static void __init setup_hwcaps(void) { static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 }; - unsigned long long facility_list_extended; - unsigned int facility_list; struct cpuid cpu_id; int i; - facility_list = stfl(); /* * The store facility list bits numbers as found in the principles * of operation are numbered with bit 1UL<<31 as number 0 to @@ -699,11 +700,10 @@ static void __init setup_hwcaps(void) * HWCAP_S390_ETF3EH bit 8 (22 && 30). */ for (i = 0; i < 6; i++) - if (facility_list & (1UL << (31 - stfl_bits[i]))) + if (test_facility(stfl_bits[i])) elf_hwcap |= 1UL << i; - if ((facility_list & (1UL << (31 - 22))) - && (facility_list & (1UL << (31 - 30)))) + if (test_facility(22) && test_facility(30)) elf_hwcap |= HWCAP_S390_ETF3EH; /* @@ -719,12 +719,8 @@ static void __init setup_hwcaps(void) * translated to: * HWCAP_S390_DFP bit 6 (42 && 44). */ - if ((elf_hwcap & (1UL << 2)) && - __stfle(&facility_list_extended, 1) > 0) { - if ((facility_list_extended & (1ULL << (63 - 42))) - && (facility_list_extended & (1ULL << (63 - 44)))) - elf_hwcap |= HWCAP_S390_DFP; - } + if ((elf_hwcap & (1UL << 2)) && test_facility(42) && test_facility(44)) + elf_hwcap |= HWCAP_S390_DFP; /* * Huge page support HWCAP_S390_HPAGE is bit 7. |