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-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 3d830756b13..425e708d4fb 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -31,12 +31,16 @@
#define cpu_has_cache_cdex_s 0
#define cpu_has_prefetch 1
+#define cpu_has_llsc 1
/*
- * We should disable LL/SC on non SMP systems as it is faster to
- * disable interrupts for atomic access than a LL/SC. Unfortunatly we
- * cannot as this breaks asm/futex.h
+ * We Disable LL/SC on non SMP systems as it is faster to disable
+ * interrupts for atomic access than a LL/SC.
*/
-#define cpu_has_llsc 1
+#ifdef CONFIG_SMP
+# define kernel_uses_llsc 1
+#else
+# define kernel_uses_llsc 0
+#endif
#define cpu_has_vtag_icache 1
#define cpu_has_dc_aliases 0
#define cpu_has_ic_fills_f_dc 0