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Diffstat (limited to 'arch/s390/power/swsusp_asm64.S')
-rw-r--r--arch/s390/power/swsusp_asm64.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/power/swsusp_asm64.S b/arch/s390/power/swsusp_asm64.S
index 3c74e7d827c..76d688da32f 100644
--- a/arch/s390/power/swsusp_asm64.S
+++ b/arch/s390/power/swsusp_asm64.S
@@ -109,10 +109,11 @@ swsusp_arch_resume:
aghi %r15,-STACK_FRAME_OVERHEAD
stg %r1,__SF_BACKCHAIN(%r15)
+#ifdef CONFIG_SMP
/* Save boot cpu number */
brasl %r14,smp_get_phys_cpu_id
lgr %r10,%r2
-
+#endif
/* Deactivate DAT */
stnsm __SF_EMPTY(%r15),0xfb
@@ -177,11 +178,12 @@ swsusp_arch_resume:
/* Pointer to save arae */
lghi %r13,0x1000
+#ifdef CONFIG_SMP
/* Switch CPUs */
lgr %r2,%r10 /* get cpu id */
llgf %r3,0x318(%r13)
brasl %r14,smp_switch_boot_cpu_in_resume
-
+#endif
/* Restore prefix register */
spx 0x318(%r13)