| 1 |
Author: mpagano |
| 2 |
Date: 2014-04-01 12:39:34 +0000 (Tue, 01 Apr 2014) |
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New Revision: 2725 |
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|
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Added: |
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genpatches-2.6/trunk/3.14/5000_enable-additional-cpu-optimizations-for-gcc.patch |
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Modified: |
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genpatches-2.6/trunk/3.14/0000_README |
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Log: |
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Kernel patch enables gcc optimizations for additional CPUs. |
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|
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Modified: genpatches-2.6/trunk/3.14/0000_README |
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=================================================================== |
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--- genpatches-2.6/trunk/3.14/0000_README 2014-04-01 12:32:06 UTC (rev 2724) |
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+++ genpatches-2.6/trunk/3.14/0000_README 2014-04-01 12:39:34 UTC (rev 2725) |
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@@ -78,6 +78,9 @@ |
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From: Tom Wijsman <TomWij@g.o> |
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Desc: Add Gentoo Linux support config settings and defaults. |
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|
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+Patch: 5000_enable-additional-cpu-optimizations-for-gcc.patch |
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+From: https://github.com/graysky2/kernel_gcc_patch/ |
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+Desc: Kernel patch enables gcc optimizations for additional CPUs. |
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|
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Patch: 5001_BFQ-1-block-cgroups-kconfig-build-bits-for-v7r2-3.14.patch |
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From: http://algo.ing.unimo.it/people/paolo/disk_sched/ |
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|
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Added: genpatches-2.6/trunk/3.14/5000_enable-additional-cpu-optimizations-for-gcc.patch |
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=================================================================== |
| 29 |
--- genpatches-2.6/trunk/3.14/5000_enable-additional-cpu-optimizations-for-gcc.patch (rev 0) |
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+++ genpatches-2.6/trunk/3.14/5000_enable-additional-cpu-optimizations-for-gcc.patch 2014-04-01 12:39:34 UTC (rev 2725) |
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@@ -0,0 +1,325 @@ |
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+This patch has been tested on and known to work with kernel versions from 3.2 |
| 33 |
+up to the latest git version (pulled on 12/14/2013). |
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+ |
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+This patch will expand the number of microarchitectures to include new |
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+processors including: AMD K10-family, AMD Family 10h (Barcelona), AMD Family |
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+14h (Bobcat), AMD Family 15h (Bulldozer), AMD Family 15h (Piledriver), AMD |
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+Family 16h (Jaguar), Intel 1st Gen Core i3/i5/i7 (Nehalem), Intel 2nd Gen Core |
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+i3/i5/i7 (Sandybridge), Intel 3rd Gen Core i3/i5/i7 (Ivybridge), and Intel 4th |
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+Gen Core i3/i5/i7 (Haswell). It also offers the compiler the 'native' flag. |
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+ |
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+Small but real speed increases are measurable using a make endpoint comparing |
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+a generic kernel to one built with one of the respective microarchs. |
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+ |
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+See the following experimental evidence supporting this statement: |
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+https://github.com/graysky2/kernel_gcc_patch |
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+ |
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+--- |
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+diff -uprN a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h |
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+--- a/arch/x86/include/asm/module.h 2013-11-03 18:41:51.000000000 -0500 |
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++++ b/arch/x86/include/asm/module.h 2013-12-15 06:21:24.351122516 -0500 |
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+@@ -15,6 +15,16 @@ |
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+ #define MODULE_PROC_FAMILY "586MMX " |
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+ #elif defined CONFIG_MCORE2 |
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+ #define MODULE_PROC_FAMILY "CORE2 " |
| 56 |
++#elif defined CONFIG_MNATIVE |
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++#define MODULE_PROC_FAMILY "NATIVE " |
| 58 |
++#elif defined CONFIG_MCOREI7 |
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++#define MODULE_PROC_FAMILY "COREI7 " |
| 60 |
++#elif defined CONFIG_MCOREI7AVX |
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++#define MODULE_PROC_FAMILY "COREI7AVX " |
| 62 |
++#elif defined CONFIG_MCOREAVXI |
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++#define MODULE_PROC_FAMILY "COREAVXI " |
| 64 |
++#elif defined CONFIG_MCOREAVX2 |
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++#define MODULE_PROC_FAMILY "COREAVX2 " |
| 66 |
+ #elif defined CONFIG_MATOM |
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+ #define MODULE_PROC_FAMILY "ATOM " |
| 68 |
+ #elif defined CONFIG_M686 |
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+@@ -33,6 +43,18 @@ |
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+ #define MODULE_PROC_FAMILY "K7 " |
| 71 |
+ #elif defined CONFIG_MK8 |
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+ #define MODULE_PROC_FAMILY "K8 " |
| 73 |
++#elif defined CONFIG_MK10 |
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++#define MODULE_PROC_FAMILY "K10 " |
| 75 |
++#elif defined CONFIG_MBARCELONA |
| 76 |
++#define MODULE_PROC_FAMILY "BARCELONA " |
| 77 |
++#elif defined CONFIG_MBOBCAT |
| 78 |
++#define MODULE_PROC_FAMILY "BOBCAT " |
| 79 |
++#elif defined CONFIG_MBULLDOZER |
| 80 |
++#define MODULE_PROC_FAMILY "BULLDOZER " |
| 81 |
++#elif defined CONFIG_MPILEDRIVER |
| 82 |
++#define MODULE_PROC_FAMILY "PILEDRIVER " |
| 83 |
++#elif defined CONFIG_MJAGUAR |
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++#define MODULE_PROC_FAMILY "JAGUAR " |
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+ #elif defined CONFIG_MELAN |
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+ #define MODULE_PROC_FAMILY "ELAN " |
| 87 |
+ #elif defined CONFIG_MCRUSOE |
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+diff -uprN a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu |
| 89 |
+--- a/arch/x86/Kconfig.cpu 2013-11-03 18:41:51.000000000 -0500 |
| 90 |
++++ b/arch/x86/Kconfig.cpu 2013-12-15 06:21:24.351122516 -0500 |
| 91 |
+@@ -139,7 +139,7 @@ config MPENTIUM4 |
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+ |
| 93 |
+ |
| 94 |
+ config MK6 |
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+- bool "K6/K6-II/K6-III" |
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++ bool "AMD K6/K6-II/K6-III" |
| 97 |
+ depends on X86_32 |
| 98 |
+ ---help--- |
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+ Select this for an AMD K6-family processor. Enables use of |
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+@@ -147,7 +147,7 @@ config MK6 |
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+ flags to GCC. |
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+ |
| 103 |
+ config MK7 |
| 104 |
+- bool "Athlon/Duron/K7" |
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++ bool "AMD Athlon/Duron/K7" |
| 106 |
+ depends on X86_32 |
| 107 |
+ ---help--- |
| 108 |
+ Select this for an AMD Athlon K7-family processor. Enables use of |
| 109 |
+@@ -155,12 +155,55 @@ config MK7 |
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+ flags to GCC. |
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+ |
| 112 |
+ config MK8 |
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+- bool "Opteron/Athlon64/Hammer/K8" |
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++ bool "AMD Opteron/Athlon64/Hammer/K8" |
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+ ---help--- |
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+ Select this for an AMD Opteron or Athlon64 Hammer-family processor. |
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+ Enables use of some extended instructions, and passes appropriate |
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+ optimization flags to GCC. |
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+ |
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++config MK10 |
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++ bool "AMD 61xx/7x50/PhenomX3/X4/II/K10" |
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++ ---help--- |
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++ Select this for an AMD 61xx Eight-Core Magny-Cours, Athlon X2 7x50, |
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++ Phenom X3/X4/II, Athlon II X2/X3/X4, or Turion II-family processor. |
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++ Enables use of some extended instructions, and passes appropriate |
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++ optimization flags to GCC. |
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++ |
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++config MBARCELONA |
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++ bool "AMD Barcelona" |
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++ ---help--- |
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++ Select this for AMD Barcelona and newer processors. |
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++ |
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++ Enables -march=barcelona |
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++ |
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++config MBOBCAT |
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++ bool "AMD Bobcat" |
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++ ---help--- |
| 138 |
++ Select this for AMD Bobcat processors. |
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++ |
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++ Enables -march=btver1 |
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++ |
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++config MBULLDOZER |
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++ bool "AMD Bulldozer" |
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++ ---help--- |
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++ Select this for AMD Bulldozer processors. |
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++ |
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++ Enables -march=bdver1 |
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++ |
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++config MPILEDRIVER |
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++ bool "AMD Piledriver" |
| 151 |
++ ---help--- |
| 152 |
++ Select this for AMD Piledriver processors. |
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++ |
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++ Enables -march=bdver2 |
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++ |
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++config MJAGUAR |
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++ bool "AMD Jaguar" |
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++ ---help--- |
| 159 |
++ Select this for AMD Jaguar processors. |
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++ |
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++ Enables -march=btver2 |
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++ |
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+ config MCRUSOE |
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+ bool "Crusoe" |
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+ depends on X86_32 |
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+@@ -251,8 +294,17 @@ config MPSC |
| 167 |
+ using the cpu family field |
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+ in /proc/cpuinfo. Family 15 is an older Xeon, Family 6 a newer one. |
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+ |
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++config MATOM |
| 171 |
++ bool "Intel Atom" |
| 172 |
++ ---help--- |
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++ |
| 174 |
++ Select this for the Intel Atom platform. Intel Atom CPUs have an |
| 175 |
++ in-order pipelining architecture and thus can benefit from |
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++ accordingly optimized code. Use a recent GCC with specific Atom |
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++ support in order to fully benefit from selecting this option. |
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++ |
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+ config MCORE2 |
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+- bool "Core 2/newer Xeon" |
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++ bool "Intel Core 2" |
| 182 |
+ ---help--- |
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+ |
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+ Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and |
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+@@ -260,14 +312,40 @@ config MCORE2 |
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+ family in /proc/cpuinfo. Newer ones have 6 and older ones 15 |
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+ (not a typo) |
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+ |
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+-config MATOM |
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+- bool "Intel Atom" |
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++ Enables -march=core2 |
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++ |
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++config MCOREI7 |
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++ bool "Intel Core i7" |
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+ ---help--- |
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+ |
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+- Select this for the Intel Atom platform. Intel Atom CPUs have an |
| 198 |
+- in-order pipelining architecture and thus can benefit from |
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+- accordingly optimized code. Use a recent GCC with specific Atom |
| 200 |
+- support in order to fully benefit from selecting this option. |
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++ Select this for the Intel Nehalem platform. Intel Nehalem proecessors |
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++ include Core i3, i5, i7, Xeon: 34xx, 35xx, 55xx, 56xx, 75xx processors. |
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++ |
| 204 |
++ Enables -march=corei7 |
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++ |
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++config MCOREI7AVX |
| 207 |
++ bool "Intel Core 2nd Gen AVX" |
| 208 |
++ ---help--- |
| 209 |
++ |
| 210 |
++ Select this for 2nd Gen Core processors including Sandy Bridge. |
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++ |
| 212 |
++ Enables -march=corei7-avx |
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++ |
| 214 |
++config MCOREAVXI |
| 215 |
++ bool "Intel Core 3rd Gen AVX" |
| 216 |
++ ---help--- |
| 217 |
++ |
| 218 |
++ Select this for 3rd Gen Core processors including Ivy Bridge. |
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++ |
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++ Enables -march=core-avx-i |
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++ |
| 222 |
++config MCOREAVX2 |
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++ bool "Intel Core AVX2" |
| 224 |
++ ---help--- |
| 225 |
++ |
| 226 |
++ Select this for AVX2 enabled processors including Haswell. |
| 227 |
++ |
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++ Enables -march=core-avx2 |
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+ |
| 230 |
+ config GENERIC_CPU |
| 231 |
+ bool "Generic-x86-64" |
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+@@ -276,6 +354,19 @@ config GENERIC_CPU |
| 233 |
+ Generic x86-64 CPU. |
| 234 |
+ Run equally well on all x86-64 CPUs. |
| 235 |
+ |
| 236 |
++config MNATIVE |
| 237 |
++ bool "Native optimizations autodetected by GCC" |
| 238 |
++ ---help--- |
| 239 |
++ |
| 240 |
++ GCC 4.2 and above support -march=native, which automatically detects |
| 241 |
++ the optimum settings to use based on your processor. -march=native |
| 242 |
++ also detects and applies additional settings beyond -march specific |
| 243 |
++ to your CPU, (eg. -msse4). Unless you have a specific reason not to |
| 244 |
++ (e.g. distcc cross-compiling), you should probably be using |
| 245 |
++ -march=native rather than anything listed below. |
| 246 |
++ |
| 247 |
++ Enables -march=native |
| 248 |
++ |
| 249 |
+ endchoice |
| 250 |
+ |
| 251 |
+ config X86_GENERIC |
| 252 |
+@@ -300,7 +391,7 @@ config X86_INTERNODE_CACHE_SHIFT |
| 253 |
+ config X86_L1_CACHE_SHIFT |
| 254 |
+ int |
| 255 |
+ default "7" if MPENTIUM4 || MPSC |
| 256 |
+- default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MATOM || MVIAC7 || X86_GENERIC || GENERIC_CPU |
| 257 |
++ default "6" if MK7 || MK8 || MK10 || MBARCELONA || MBOBCAT || MBULLDOZER || MPILEDRIVER || MJAGUAR || MPENTIUMM || MCORE2 || MCOREI7 || MCOREI7AVX || MCOREAVXI || MCOREAVX2 || MATOM || MVIAC7 || X86_GENERIC || MNATIVE || GENERIC_CPU |
| 258 |
+ default "4" if MELAN || M486 || MGEODEGX1 |
| 259 |
+ default "5" if MWINCHIP3D || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX |
| 260 |
+ |
| 261 |
+@@ -331,11 +422,11 @@ config X86_ALIGNMENT_16 |
| 262 |
+ |
| 263 |
+ config X86_INTEL_USERCOPY |
| 264 |
+ def_bool y |
| 265 |
+- depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M586MMX || X86_GENERIC || MK8 || MK7 || MEFFICEON || MCORE2 |
| 266 |
++ depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M586MMX || MNATIVE || X86_GENERIC || MK8 || MK7 || MK10 || MBARCELONA || MEFFICEON || MCORE2 || MCOREI7 || MCOREI7AVX || MCOREAVXI || MCOREAVX2 |
| 267 |
+ |
| 268 |
+ config X86_USE_PPRO_CHECKSUM |
| 269 |
+ def_bool y |
| 270 |
+- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MVIAC7 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM |
| 271 |
++ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MK10 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MVIAC7 || MEFFICEON || MGEODE_LX || MCORE2 || MCOREI7 || MCOREI7AVX || MCOREAVXI || MCOREAVX2 || MATOM || MNATIVE |
| 272 |
+ |
| 273 |
+ config X86_USE_3DNOW |
| 274 |
+ def_bool y |
| 275 |
+@@ -363,17 +454,17 @@ config X86_P6_NOP |
| 276 |
+ |
| 277 |
+ config X86_TSC |
| 278 |
+ def_bool y |
| 279 |
+- depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2 || MATOM) && !X86_NUMAQ) || X86_64 |
| 280 |
++ depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MK10 || MBARCELONA || MBOBCAT || MBULLDOZER || MPILEDRIVER || MJAGUAR || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2 || MCOREI7 || MCOREI7-AVX || MATOM) && !X86_NUMAQ) || X86_64 || MNATIVE |
| 281 |
+ |
| 282 |
+ config X86_CMPXCHG64 |
| 283 |
+ def_bool y |
| 284 |
+- depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM |
| 285 |
++ depends on X86_PAE || X86_64 || MCORE2 || MCOREI7 || MCOREI7AVX || MCOREAVXI || MCOREAVX2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM || MNATIVE |
| 286 |
+ |
| 287 |
+ # this should be set for all -march=.. options where the compiler |
| 288 |
+ # generates cmov. |
| 289 |
+ config X86_CMOV |
| 290 |
+ def_bool y |
| 291 |
+- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) |
| 292 |
++ depends on (MK8 || MK10 || MBARCELONA || MBOBCAT || MBULLDOZER || MPILEDRIVER || MJAGUAR || MK7 || MCORE2 || MCOREI7 || MCOREI7AVX || MCOREAVXI || MCOREAVX2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MNATIVE || MATOM || MGEODE_LX) |
| 293 |
+ |
| 294 |
+ config X86_MINIMUM_CPU_FAMILY |
| 295 |
+ int |
| 296 |
+diff -uprN a/arch/x86/Makefile b/arch/x86/Makefile |
| 297 |
+--- a/arch/x86/Makefile 2013-11-03 18:41:51.000000000 -0500 |
| 298 |
++++ b/arch/x86/Makefile 2013-12-15 06:21:24.354455723 -0500 |
| 299 |
+@@ -61,11 +61,26 @@ else |
| 300 |
+ KBUILD_CFLAGS += $(call cc-option,-mno-sse -mpreferred-stack-boundary=3) |
| 301 |
+ |
| 302 |
+ # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu) |
| 303 |
++ cflags-$(CONFIG_MNATIVE) += $(call cc-option,-march=native) |
| 304 |
+ cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) |
| 305 |
++ cflags-$(CONFIG_MK10) += $(call cc-option,-march=amdfam10) |
| 306 |
++ cflags-$(CONFIG_MBARCELONA) += $(call cc-option,-march=barcelona) |
| 307 |
++ cflags-$(CONFIG_MBOBCAT) += $(call cc-option,-march=btver1) |
| 308 |
++ cflags-$(CONFIG_MBULLDOZER) += $(call cc-option,-march=bdver1) |
| 309 |
++ cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-march=bdver2) |
| 310 |
++ cflags-$(CONFIG_MJAGUAR) += $(call cc-option,-march=btver2) |
| 311 |
+ cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) |
| 312 |
+ |
| 313 |
+ cflags-$(CONFIG_MCORE2) += \ |
| 314 |
+- $(call cc-option,-march=core2,$(call cc-option,-mtune=generic)) |
| 315 |
++ $(call cc-option,-march=core2,$(call cc-option,-mtune=core2)) |
| 316 |
++ cflags-$(CONFIG_MCOREI7) += \ |
| 317 |
++ $(call cc-option,-march=corei7,$(call cc-option,-mtune=corei7)) |
| 318 |
++ cflags-$(CONFIG_MCOREI7AVX) += \ |
| 319 |
++ $(call cc-option,-march=corei7-avx,$(call cc-option,-mtune=corei7-avx)) |
| 320 |
++ cflags-$(CONFIG_MCOREAVXI) += \ |
| 321 |
++ $(call cc-option,-march=core-avx-i,$(call cc-option,-mtune=core-avx-i)) |
| 322 |
++ cflags-$(CONFIG_MCOREAVX2) += \ |
| 323 |
++ $(call cc-option,-march=core-avx2,$(call cc-option,-mtune=core-avx2)) |
| 324 |
+ cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom) \ |
| 325 |
+ $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic)) |
| 326 |
+ cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) |
| 327 |
+diff -uprN a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu |
| 328 |
+--- a/arch/x86/Makefile_32.cpu 2013-11-03 18:41:51.000000000 -0500 |
| 329 |
++++ b/arch/x86/Makefile_32.cpu 2013-12-15 06:21:24.354455723 -0500 |
| 330 |
+@@ -23,7 +23,14 @@ cflags-$(CONFIG_MK6) += -march=k6 |
| 331 |
+ # Please note, that patches that add -march=athlon-xp and friends are pointless. |
| 332 |
+ # They make zero difference whatsosever to performance at this time. |
| 333 |
+ cflags-$(CONFIG_MK7) += -march=athlon |
| 334 |
++cflags-$(CONFIG_MNATIVE) += $(call cc-option,-march=native) |
| 335 |
+ cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon) |
| 336 |
++cflags-$(CONFIG_MK10) += $(call cc-option,-march=amdfam10,-march=athlon) |
| 337 |
++cflags-$(CONFIG_MBARCELONA) += $(call cc-option,-march=barcelona,-march=athlon) |
| 338 |
++cflags-$(CONFIG_MBOBCAT) += $(call cc-option,-march=btver1,-march=athlon) |
| 339 |
++cflags-$(CONFIG_MBULLDOZER) += $(call cc-option,-march=bdver1,-march=athlon) |
| 340 |
++cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-march=bdver2,-march=athlon) |
| 341 |
++cflags-$(CONFIG_MJAGUAR) += $(call cc-option,-march=btver2,-march=athlon) |
| 342 |
+ cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 |
| 343 |
+ cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 |
| 344 |
+ cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) |
| 345 |
+@@ -32,6 +39,10 @@ cflags-$(CONFIG_MCYRIXIII) += $(call cc- |
| 346 |
+ cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) |
| 347 |
+ cflags-$(CONFIG_MVIAC7) += -march=i686 |
| 348 |
+ cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2) |
| 349 |
++cflags-$(CONFIG_MCOREI7) += -march=i686 $(call tune,corei7) |
| 350 |
++cflags-$(CONFIG_MCOREI7AVX) += -march=i686 $(call tune,corei7-avx) |
| 351 |
++cflags-$(CONFIG_MCOREAVXI) += -march=i686 $(call tune,core-avx-i) |
| 352 |
++cflags-$(CONFIG_MCOREAVX2) += -march=i686 $(call tune,core-avx2) |
| 353 |
+ cflags-$(CONFIG_MATOM) += $(call cc-option,-march=atom,$(call cc-option,-march=core2,-march=i686)) \ |
| 354 |
+ $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic)) |
| 355 |
+ |
| 356 |
+ |
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