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s390/facilities: cleanup PFMF and HPAGE machine facility detection

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MACHINE_HAS_PFMF and MACHINE_HAS_HPAGE actually have the same semantics:
the cpu has the EDAT1 facility installed in zArch mode. So remove one
of the feature flags in machine_flags and rename the other one to EDAT1.

The two old macros simply get mapped to MACHINE_HAS_EDAT1.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2012-09-28 15:06:41 +02:00
committed by Martin Schwidefsky
parent 9e2d8656f5
commit 3c7ef08bba
2 changed files with 9 additions and 17 deletions
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15
arch/s390/kernel/early.c
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@@ -283,14 +283,6 @@ static noinline __init void setup_facility_list(void)
ARRAY_SIZE(S390_lowcore.stfle_fac_list));
}
static noinline __init void setup_hpage(void)
{
if (!test_facility(2) || !test_facility(8))
return;
S390_lowcore.machine_flags |= MACHINE_FLAG_HPAGE;
__ctl_set_bit(0, 23);
}
static __init void detect_mvpg(void)
{
#ifndef CONFIG_64BIT
@@ -378,10 +370,12 @@ static __init void detect_diag44(void)
static __init void detect_machine_facilities(void)
{
#ifdef CONFIG_64BIT
if (test_facility(8)) {
S390_lowcore.machine_flags |= MACHINE_FLAG_EDAT1;
__ctl_set_bit(0, 23);
}
if (test_facility(3))
S390_lowcore.machine_flags |= MACHINE_FLAG_IDTE;
if (test_facility(8))
S390_lowcore.machine_flags |= MACHINE_FLAG_PFMF;
if (test_facility(27))
S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
if (test_facility(40))
@@ -484,7 +478,6 @@ void __init startup_init(void)
detect_diag9c();
detect_diag44();
detect_machine_facilities();
setup_hpage();
setup_topology();
sclp_facilities_detect();
detect_memory_layout(memory_chunk);