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Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/sclp.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index bf053898630d..b6506ee32a36 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -44,6 +44,12 @@ _sclp_wait_int:
#endif
mvc .LoldpswS1-.LbaseS1(16,%r13),0(%r8)
mvc 0(16,%r8),0(%r9)
+#ifdef CONFIG_64BIT
+ epsw %r6,%r7 # set current addressing mode
+ nill %r6,0x1 # in new psw (31 or 64 bit mode)
+ nilh %r7,0x8000
+ stm %r6,%r7,0(%r8)
+#endif
lhi %r6,0x0200 # cr mask for ext int (cr0.54)
ltr %r2,%r2
jz .LsetctS1
@@ -87,7 +93,7 @@ _sclp_wait_int:
.long 0x00080000, 0x80000000+.LwaitS1 # PSW to handle ext int
#ifdef CONFIG_64BIT
.LextpswS1_64:
- .quad 0x0000000180000000, .LwaitS1 # PSW to handle ext int, 64 bit
+ .quad 0, .LwaitS1 # PSW to handle ext int, 64 bit
#endif
.LwaitpswS1:
.long 0x010a0000, 0x00000000+.LloopS1 # PSW to wait for ext int