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-rw-r--r--arch/s390/kernel/early.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 31d618a..c00856a 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -82,7 +82,8 @@ asm(
" lm 6,15,24(15)\n"
#endif
" br 14\n"
- " .size savesys_ipl_nss, .-savesys_ipl_nss\n");
+ " .size savesys_ipl_nss, .-savesys_ipl_nss\n"
+ " .previous\n");
static __initdata char upper_command_line[COMMAND_LINE_SIZE];
@@ -355,6 +356,7 @@ static __init void detect_machine_facilities(void)
{
#ifdef CONFIG_64BIT
unsigned int facilities;
+ unsigned long long facility_bits;
facilities = stfl();
if (facilities & (1 << 28))
@@ -363,6 +365,9 @@ static __init void detect_machine_facilities(void)
S390_lowcore.machine_flags |= MACHINE_FLAG_PFMF;
if (facilities & (1 << 4))
S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
+ if ((stfle(&facility_bits, 1) > 0) &&
+ (facility_bits & (1ULL << (63 - 40))))
+ S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
#endif
}
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