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Subject[PATCH] x86: merge winchip-2 and winchip-2a cpu choices
From: Krzysztof Helt <krzysztof.h1@wp.pl>

The Winchip-2 and Winchip-2A cpu choices select the
same options for kernel and compiler.

Merge them to save few bytes and reduce confusion.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
---
diff -urp linux-ref/arch/um/defconfig linux-2.6.26/arch/um/defconfig
--- linux-ref/arch/um/defconfig 2008-09-28 18:58:21.000000000 +0200
+++ linux-2.6.26/arch/um/defconfig 2008-09-28 18:46:20.000000000 +0200
@@ -42,7 +42,6 @@ CONFIG_M686=y
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
-# CONFIG_MWINCHIP2 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
diff -urp linux-ref/arch/x86/Kconfig.cpu linux-2.6.26/arch/x86/Kconfig.cpu
--- linux-ref/arch/x86/Kconfig.cpu 2008-09-27 23:28:13.000000000 +0200
+++ linux-2.6.26/arch/x86/Kconfig.cpu 2008-09-28 23:20:00.000000000 +0200
@@ -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
@@ -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
default y
diff -urp linux-ref/arch/x86/Makefile_32.cpu linux-2.6.26/arch/x86/Makefile_32.cpu
--- linux-ref/arch/x86/Makefile_32.cpu 2008-09-27 23:28:13.000000000 +0200
+++ linux-2.6.26/arch/x86/Makefile_32.cpu 2008-09-28 18:36:55.000000000 +0200
@@ -28,7 +28,6 @@ cflags-$(CONFIG_MK8) += $(call cc-optio
cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586)
-cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586)
cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686)
diff -urp linux-ref/arch/x86/configs/i386_defconfig linux-2.6.26/arch/x86/configs/i386_defconfig
--- linux-ref/arch/x86/configs/i386_defconfig 2008-09-27 23:28:14.000000000 +0200
+++ linux-2.6.26/arch/x86/configs/i386_defconfig 2008-09-28 18:38:16.000000000 +0200
@@ -213,7 +213,6 @@ CONFIG_M686=y
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
-# CONFIG_MWINCHIP2 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
diff -urp linux-ref/arch/x86/configs/x86_64_defconfig linux-2.6.26/arch/x86/configs/x86_64_defconfig
--- linux-ref/arch/x86/configs/x86_64_defconfig 2008-09-27 23:28:14.000000000 +0200
+++ linux-2.6.26/arch/x86/configs/x86_64_defconfig 2008-09-28 18:38:23.000000000 +0200
@@ -210,7 +210,6 @@ CONFIG_X86_PC=y
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
-# CONFIG_MWINCHIP2 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
diff -urp linux-ref/include/asm-x86/module.h linux-2.6.26/include/asm-x86/module.h
--- linux-ref/include/asm-x86/module.h 2008-09-28 18:54:26.000000000 +0200
+++ linux-2.6.26/include/asm-x86/module.h 2008-09-28 18:43:33.000000000 +0200
@@ -52,8 +52,6 @@ struct mod_arch_specific {};
#define MODULE_PROC_FAMILY "EFFICEON "
#elif defined CONFIG_MWINCHIPC6
#define MODULE_PROC_FAMILY "WINCHIPC6 "
-#elif defined CONFIG_MWINCHIP2
-#define MODULE_PROC_FAMILY "WINCHIP2 "
#elif defined CONFIG_MWINCHIP3D
#define MODULE_PROC_FAMILY "WINCHIP3D "
#elif defined CONFIG_MCYRIXIII

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