2 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 91d323f47364..48426f991475 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -173,8 +173,10 @@ extern void print_cpu_info(struct cpuinfo_x86 *);
 extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
 extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern unsigned short num_cache_leaves;
+#ifdef CONFIG_SYSFS
 extern int get_shared_cpu_map(cpumask_var_t mask,
                                unsigned int cpu, int index);
+#endif
 
 extern void detect_extended_topology(struct cpuinfo_x86 *c);
 extern void detect_ht(struct cpuinfo_x86 *c);
diff --git a/litmus/Kconfig b/litmus/Kconfig
index ba2e2d901888..c7cbedd1d83d 100644
--- a/litmus/Kconfig
+++ b/litmus/Kconfig
@@ -4,6 +4,7 @@ menu "Scheduling"
 
 config PLUGIN_CEDF
         bool "Clustered-EDF"
+        depends on X86 && SYSFS
         default y
         help
           Include the Clustered EDF (C-EDF) plugin in the kernel.