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Diffstat (limited to 'arch/s390/kernel/reipl.S')
-rw-r--r--arch/s390/kernel/reipl.S17
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 0340477f3b08..f9434d42ce9f 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -11,19 +11,10 @@
.globl do_reipl_asm
do_reipl_asm: basr %r13,0
.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13)
-
- # switch off lowcore protection
-
-.Lpg1: stctl %c0,%c0,.Lctlsave1-.Lpg0(%r13)
- stctl %c0,%c0,.Lctlsave2-.Lpg0(%r13)
- ni .Lctlsave1-.Lpg0(%r13),0xef
- lctl %c0,%c0,.Lctlsave1-.Lpg0(%r13)
-
- # do store status of all registers
+.Lpg1: # do store status of all registers
stm %r0,%r15,__LC_GPREGS_SAVE_AREA
stctl %c0,%c15,__LC_CREGS_SAVE_AREA
- mvc __LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13)
stam %a0,%a15,__LC_AREGS_SAVE_AREA
stpx __LC_PREFIX_SAVE_AREA
stckc .Lclkcmp-.Lpg0(%r13)
@@ -56,8 +47,7 @@ do_reipl_asm: basr %r13,0
.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3
jz .L003
bas %r14,.Ldisab-.Lpg0(%r13)
-.L003: spx .Lnull-.Lpg0(%r13)
- st %r1,__LC_SUBCHANNEL_ID
+.L003: st %r1,__LC_SUBCHANNEL_ID
lpsw 0
sigp 0,0,0(6)
.Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13)
@@ -65,9 +55,6 @@ do_reipl_asm: basr %r13,0
.align 8
.Lclkcmp: .quad 0x0000000000000000
.Lall: .long 0xff000000
-.Lnull: .long 0x00000000
-.Lctlsave1: .long 0x00000000
-.Lctlsave2: .long 0x00000000
.align 8
.Lnewpsw: .long 0x00080000,0x80000000+.Lpg1
.Lpcnew: .long 0x00080000,0x80000000+.Lecs