diff options
Diffstat (limited to 'arch/s390/kernel/vdso32/getcpu.S')
| -rw-r--r-- | arch/s390/kernel/vdso32/getcpu.S | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/arch/s390/kernel/vdso32/getcpu.S b/arch/s390/kernel/vdso32/getcpu.S index 6e30769dd017..25515f3fbcea 100644 --- a/arch/s390/kernel/vdso32/getcpu.S +++ b/arch/s390/kernel/vdso32/getcpu.S @@ -8,30 +8,19 @@ */ #include <asm/vdso.h> #include <asm/asm-offsets.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_getcpu .type __kernel_getcpu,@function __kernel_getcpu: - .cfi_startproc - ear %r1,%a4 - lhi %r4,1 - sll %r4,24 - sar %a4,%r4 + CFI_STARTPROC la %r4,0 - epsw %r0,0 - sacf 512 + sacf 256 l %r5,__VDSO_CPU_NR(%r4) l %r4,__VDSO_NODE_ID(%r4) - tml %r0,0x4000 - jo 1f - tml %r0,0x8000 - jno 0f - sacf 256 - j 1f -0: sacf 0 -1: sar %a4,%r1 + sacf 0 ltr %r2,%r2 jz 2f st %r5,0(%r2) @@ -40,5 +29,5 @@ __kernel_getcpu: st %r4,0(%r3) 3: lhi %r2,0 br %r14 - .cfi_endproc + CFI_ENDPROC .size __kernel_getcpu,.-__kernel_getcpu |