Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

[linux-2.6-omap-h63xx.git] / arch / x86 / Kconfig.cpu

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index c5f1013605203de94c93af52d105512ace47c1c6..b815664fe3700b77aa031fab7711be4128c858d1 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -38,8 +38,7 @@ config M386
          - "Crusoe" for the Transmeta Crusoe series.
          - "Efficeon" for the Transmeta Efficeon series.
          - "Winchip-C6" for original IDT Winchip.
-         - "Winchip-2" for IDT Winchip 2.
-         - "Winchip-2A" for IDT Winchips with 3dNow! capabilities.
+         - "Winchip-2" for IDT Winchips with 3dNow! capabilities.
          - "GeodeGX1" for Geode GX1 (Cyrix MediaGX).
          - "Geode GX/LX" For AMD Geode GX and LX processors.
          - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3.
@@ -194,19 +193,11 @@ config MWINCHIPC6
          treat this chip as a 586TSC with some extended instructions
          and alignment requirements.
 
-config MWINCHIP2
-       bool "Winchip-2"
-       depends on X86_32
-       help
-         Select this for an IDT Winchip-2.  Linux and GCC
-         treat this chip as a 586TSC with some extended instructions
-         and alignment requirements.
-
 config MWINCHIP3D
-       bool "Winchip-2A/Winchip-3"
+       bool "Winchip-2/Winchip-2A/Winchip-3"
        depends on X86_32
        help
-         Select this for an IDT Winchip-2A or 3.  Linux and GCC
+         Select this for an IDT Winchip-2, 2A or 3.  Linux and GCC
          treat this chip as a 586TSC with some extended instructions
          and alignment requirements.  Also enable out of order memory
          stores for this CPU, which can increase performance of some
@@ -318,7 +309,7 @@ config X86_L1_CACHE_SHIFT
        int
        default "7" if MPENTIUM4 || X86_GENERIC || GENERIC_CPU || MPSC
        default "4" if X86_ELAN || M486 || M386 || MGEODEGX1
-       default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX
+       default "5" if MWINCHIP3D || 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
@@ -360,7 +351,7 @@ config X86_POPAD_OK
 
 config X86_ALIGNMENT_16
        def_bool y
-       depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
+       depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1
 
 config X86_INTEL_USERCOPY
        def_bool y
@@ -368,7 +359,7 @@ config X86_INTEL_USERCOPY
 
 config X86_USE_PPRO_CHECKSUM
        def_bool y
-       depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2
+       depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2
 
 config X86_USE_3DNOW
        def_bool y
@@ -376,7 +367,7 @@ config X86_USE_3DNOW
 
 config X86_OOSTORE
        def_bool y
-       depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
+       depends on (MWINCHIP3D || MWINCHIPC6) && MTRR
 
 #
 # P6_NOPs are a relatively minor optimization that require a family >=
@@ -396,7 +387,7 @@ config X86_P6_NOP
 
 config X86_TSC
        def_bool y
-       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) || X86_64
+       depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
 
 config X86_CMPXCHG64
        def_bool y
@@ -406,7 +397,7 @@ config X86_CMPXCHG64
 # generates cmov.
 config X86_CMOV
        def_bool y
-       depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || X86_64)
+       depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64)
 
 config X86_MINIMUM_CPU_FAMILY
        int
@@ -417,7 +408,7 @@ config X86_MINIMUM_CPU_FAMILY
 
 config X86_DEBUGCTLMSR
        def_bool y
-       depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
+       depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
 
 menuconfig PROCESSOR_SELECT
        bool "Supported processor vendors" if EMBEDDED
@@ -522,19 +513,19 @@ config CPU_SUP_UMC_32
          If unsure, say N.
 
 config X86_DS
-       bool "Debug Store support"
-       default y
-       help
-         Add support for Debug Store.
-         This allows the kernel to provide a memory buffer to the hardware
-         to store various profiling and tracing events.
+       def_bool X86_PTRACE_BTS
+       depends on X86_DEBUGCTLMSR
 
 config X86_PTRACE_BTS
-       bool "ptrace interface to Branch Trace Store"
+       bool "Branch Trace Store"
        default y
-       depends on (X86_DS && X86_DEBUGCTLMSR)
+       depends on X86_DEBUGCTLMSR
        help
-         Add a ptrace interface to allow collecting an execution trace
-         of the traced task.
-         This collects control flow changes in a (cyclic) buffer and allows
-         debuggers to fill in the gaps and show an execution trace of the debuggee.
+         This adds a ptrace interface to the hardware's branch trace store.
+
+         Debuggers may use it to collect an execution trace of the debugged
+         application in order to answer the question 'how did I get here?'.
+         Debuggers may trace user mode as well as kernel mode.
+
+         Say Y unless there is no application development on this machine
+         and you want to save a small amount of code size.