* [PATCH] x86: merge winchip-2 and winchip-2a cpu choices
@ 2008-09-28 19:28 Krzysztof Helt
2008-09-29 9:07 ` H. Peter Anvin
0 siblings, 1 reply; 3+ messages in thread
From: Krzysztof Helt @ 2008-09-28 19:28 UTC (permalink / raw)
To: linux-kernel; +Cc: Ingo Molnar, Thomas Gleixner, H. Peter Anvin
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: merge winchip-2 and winchip-2a cpu choices
2008-09-28 19:28 [PATCH] x86: merge winchip-2 and winchip-2a cpu choices Krzysztof Helt
@ 2008-09-29 9:07 ` H. Peter Anvin
2008-09-29 9:19 ` Ingo Molnar
0 siblings, 1 reply; 3+ messages in thread
From: H. Peter Anvin @ 2008-09-29 9:07 UTC (permalink / raw)
To: Krzysztof Helt; +Cc: linux-kernel, Ingo Molnar, Thomas Gleixner
Looks good to me.
Acked-by: H. Peter Anvin <hpa@zytor.com>
Krzysztof Helt wrote:
> 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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] x86: merge winchip-2 and winchip-2a cpu choices
2008-09-29 9:07 ` H. Peter Anvin
@ 2008-09-29 9:19 ` Ingo Molnar
0 siblings, 0 replies; 3+ messages in thread
From: Ingo Molnar @ 2008-09-29 9:19 UTC (permalink / raw)
To: H. Peter Anvin; +Cc: Krzysztof Helt, linux-kernel, Thomas Gleixner
* H. Peter Anvin <hpa@zytor.com> wrote:
> Looks good to me.
>
> Acked-by: H. Peter Anvin <hpa@zytor.com>
>
> Krzysztof Helt wrote:
>> 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>
applied to tip/x86/core, thanks Krzysztof!
(I left out the UML defconfig update - that can be done later and it
doesnt hurt anyway.)
Ingo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2008-09-28 19:28 [PATCH] x86: merge winchip-2 and winchip-2a cpu choices Krzysztof Helt
2008-09-29 9:07 ` H. Peter Anvin
2008-09-29 9:19 ` Ingo Molnar
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