diff options
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r-- | arch/x86/kernel/cpu/amd.c | 8 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/common.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mce/dev-mcelog.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mce/inject.c | 9 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mce/therm_throt.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/microcode/Makefile | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/microcode/core.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/Makefile | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/generic.c | 1 |
11 files changed, 16 insertions, 20 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index fb6a64bd765f..8d4e50428b68 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/export.h> #include <linux/bitops.h> #include <linux/elf.h> @@ -823,8 +824,11 @@ 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. */ - if (!cpu_has(c, X86_FEATURE_CPB)) + /* + * Fix erratum 1076: CPB feature bit not being set in CPUID. + * Always set it, except when running under a hypervisor. + */ + if (!cpu_has(c, X86_FEATURE_HYPERVISOR) && !cpu_has(c, X86_FEATURE_CPB)) set_cpu_cap(c, X86_FEATURE_CPB); } diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index d7f55ad2dfb1..2c57fffebf9b 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* cpu_feature_enabled() cannot be used this early */ #define USE_EARLY_PGTABLE_L5 diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 5112a50e6486..282916f3b8d8 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Machine check handler. * diff --git a/arch/x86/kernel/cpu/mce/dev-mcelog.c b/arch/x86/kernel/cpu/mce/dev-mcelog.c index 9690ec5c8051..7c8958dee103 100644 --- a/arch/x86/kernel/cpu/mce/dev-mcelog.c +++ b/arch/x86/kernel/cpu/mce/dev-mcelog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * /dev/mcelog driver * diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index a6026170af92..5d108f70f315 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Machine check injection support. * Copyright 2008 Intel Corporation. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. - * * Authors: * Andi Kleen * Ying Huang @@ -16,9 +12,6 @@ * built as module so that it can be loaded on production kernels for * testing purposes. * - * This file may be distributed under the terms of the GNU General Public - * License version 2. - * * Copyright (c) 2010-17: Borislav Petkov <bp@alien8.de> * Advanced Micro Devices Inc. */ diff --git a/arch/x86/kernel/cpu/mce/therm_throt.c b/arch/x86/kernel/cpu/mce/therm_throt.c index 10a3b0599300..6e2becf547c5 100644 --- a/arch/x86/kernel/cpu/mce/therm_throt.c +++ b/arch/x86/kernel/cpu/mce/therm_throt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Thermal throttle event support code (such as syslog messaging and rate * limiting) that was factored out from x86_64 (mce_intel.c) and i386 (p4.c). diff --git a/arch/x86/kernel/cpu/microcode/Makefile b/arch/x86/kernel/cpu/microcode/Makefile index ba12e8aa4a45..34098d48c48f 100644 --- a/arch/x86/kernel/cpu/microcode/Makefile +++ b/arch/x86/kernel/cpu/microcode/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only microcode-y := core.o obj-$(CONFIG_MICROCODE) += microcode.o microcode-$(CONFIG_MICROCODE_INTEL) += intel.o diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index c321f4f513f9..70a04436380e 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * CPU Microcode Update Driver for Linux * @@ -12,11 +13,6 @@ * (C) 2015 Borislav Petkov <bp@alien8.de> * * This driver allows to upgrade microcode on x86 processors. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) "microcode: " fmt diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index a44bdbe7c55e..ce799cfe9434 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Intel CPU Microcode Update Driver for Linux * @@ -8,11 +9,6 @@ * * Copyright (C) 2012 Fenghua Yu <fenghua.yu@intel.com> * H Peter Anvin" <hpa@zytor.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/arch/x86/kernel/cpu/mtrr/Makefile b/arch/x86/kernel/cpu/mtrr/Makefile index 2ad9107ee980..cc4f9f1cb94c 100644 --- a/arch/x86/kernel/cpu/mtrr/Makefile +++ b/arch/x86/kernel/cpu/mtrr/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-y := mtrr.o if.o generic.o cleanup.o obj-$(CONFIG_X86_32) += amd.o cyrix.o centaur.o diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index 86e277f8daf4..9356c1c9024d 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * This only handles 32bit MTRR on 32bit hosts. This is strictly wrong * because MTRRs can span up to 40 bits (36bits on most modern x86) |