diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0067-x86-cpufeatures-Add-FEATURE_ZEN.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0067-x86-cpufeatures-Add-FEATURE_ZEN.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0067-x86-cpufeatures-Add-FEATURE_ZEN.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0067-x86-cpufeatures-Add-FEATURE_ZEN.patch deleted file mode 100644 index 4dc85820..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0067-x86-cpufeatures-Add-FEATURE_ZEN.patch +++ /dev/null @@ -1,48 +0,0 @@ -From c9b69035094a1cadce0c634ad76ded5a4a033ff6 Mon Sep 17 00:00:00 2001 -From: Thomas Gleixner <tglx@linutronix.de> -Date: Thu, 10 May 2018 16:26:00 +0200 -Subject: [PATCH 67/93] x86/cpufeatures: Add FEATURE_ZEN - -commit d1035d971829dcf80e8686ccde26f94b0a069472 upstream - -Add a ZEN feature bit so family-dependent static_cpu_has() optimizations -can be built for ZEN. - -Signed-off-by: Thomas Gleixner <tglx@linutronix.de> -Reviewed-by: Borislav Petkov <bp@suse.de> -Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/include/asm/cpufeatures.h | 2 ++ - arch/x86/kernel/cpu/amd.c | 1 + - 2 files changed, 3 insertions(+) - -diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h -index d071767..ec87b8c 100644 ---- a/arch/x86/include/asm/cpufeatures.h -+++ b/arch/x86/include/asm/cpufeatures.h -@@ -212,6 +212,8 @@ - #define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */ - #define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */ - #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */ -+#define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 (Zen) */ -+ - - /* Virtualization flags: Linux defined, word 8 */ - #define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */ -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index 21367b5..4c2be99 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -751,6 +751,7 @@ static void init_amd_bd(struct cpuinfo_x86 *c) - - static void init_amd_zn(struct cpuinfo_x86 *c) - { -+ set_cpu_cap(c, X86_FEATURE_ZEN); - /* - * Fix erratum 1076: CPB feature bit not being set in CPUID. It affects - * all up to and including B1. --- -2.7.4 - |