1 files changed, 20 insertions, 2 deletions

diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu
index b1af9f50a143..dce6124cb842 100644
--- a/arch/i386/Kconfig.cpu
+++ b/arch/i386/Kconfig.cpu
@@ -240,14 +240,19 @@ config X86_L1_CACHE_SHIFT
         default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX
         default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7
 
+config X86_XADD
+        bool
+        depends on !M386
+        default y
+
 config RWSEM_GENERIC_SPINLOCK
         bool
-        depends on M386
+        depends on !X86_XADD
         default y
 
 config RWSEM_XCHGADD_ALGORITHM
         bool
-        depends on !M386
+        depends on X86_XADD
         default y
 
 config ARCH_HAS_ILOG2_U32
@@ -331,3 +336,16 @@ config X86_TSC
         bool
         depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ
         default y
+
+# this should be set for all -march=.. options where the compiler
+# generates cmov.
+config X86_CMOV
+        bool
+        depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7)
+        default y
+
+config X86_MINIMUM_CPU_MODEL
+        int
+        default "4" if X86_XADD || X86_CMPXCHG || X86_BSWAP
+        default "0"
+