diff options
| author | David S. Miller <davem@davemloft.net> | 2019-06-18 05:48:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-18 06:20:36 +0300 |
| commit | 13091aa30535b719e269f20a7bc34002bf5afae5 (patch) | |
| tree | bd17956c3ce606a119fadbd43bfa1c0c10006984 /arch/x86 | |
| parent | f97252a8c33f0e02f4ffbf61dc94cd38164007bc (diff) | |
| parent | 29f785ff76b65696800b75c3d8e0b58e603bb1d0 (diff) | |
| download | linux-13091aa30535b719e269f20a7bc34002bf5afae5.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Honestly all the conflicts were simple overlapping changes,
nothing really interesting to report.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86')
103 files changed, 222 insertions, 722 deletions
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c index 72bad2c8debe..7e01248765b2 100644 --- a/arch/x86/boot/compressed/mkpiggy.c +++ b/arch/x86/boot/compressed/mkpiggy.c @@ -1,27 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0-only /* ----------------------------------------------------------------------- * * * Copyright (C) 2009 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * * H. Peter Anvin <hpa@linux.intel.com> * * ----------------------------------------------------------------------- * * Outputs a small assembly wrapper with the appropriate symbols defined. - * */ #include <stdlib.h> diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c index a58fe217c856..eefa0862f309 100644 --- a/arch/x86/crypto/crc32c-intel_glue.c +++ b/arch/x86/crypto/crc32c-intel_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Using hardware provided CRC32 instruction to accelerate the CRC32 disposal. * CRC32C polynomial:0x1EDC6F41(BE)/0x82F63B78(LE) @@ -9,20 +10,6 @@ * Copyright (C) 2008 Intel Corporation * Authors: Austin Zhang <austin_zhang@linux.intel.com> * Kent Liu <kent.liu@intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/init.h> #include <linux/module.h> diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index a986b3c8294c..2418804e66b4 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -1,7 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * common.c - C code for kernel entry and exit * Copyright (c) 2015 Andrew Lutomirski - * GPL v2 * * Based on asm and ptrace code by many authors. The code here originated * in ptrace.c and signal.c. diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index 890a3fb5706f..5ee3fed881d3 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * BTS PMU driver for perf * Copyright (c) 2013-2014, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #undef DEBUG diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 339d7628080c..d3dc2274ddd4 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel(R) Processor Trace PMU driver for perf * Copyright (c) 2013-2014, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * Intel PT is specified in the Intel Architecture Instruction Set Extensions * Programming Reference: * http://software.intel.com/en-us/intel-isa-extensions diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h index 269e15a9086c..63fe4063fbd6 100644 --- a/arch/x86/events/intel/pt.h +++ b/arch/x86/events/intel/pt.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel(R) Processor Trace PMU driver for perf * Copyright (c) 2013-2014, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * Intel PT is specified in the Intel Architecture Instruction Set Extensions * Programming Reference: * http://software.intel.com/en-us/intel-isa-extensions diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index e4ba467a9fc6..1608050e9df9 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -1,20 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * X86 specific Hyper-V initialization code. * * Copyright (C) 2016, Microsoft, Inc. * * Author : K. Y. Srinivasan <kys@microsoft.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more - * details. - * */ #include <linux/efi.h> diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h index 0acbac299e49..99bb207fc04c 100644 --- a/arch/x86/include/asm/apb_timer.h +++ b/arch/x86/include/asm/apb_timer.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * apb_timer.h: Driver for Langwell APB timer based on Synopsis DesignWare * * (C) Copyright 2009 Intel Corporation * Author: Jacob Pan (jacob.jun.pan@intel.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; version 2 - * of the License. - * * Note: */ diff --git a/arch/x86/include/asm/archrandom.h b/arch/x86/include/asm/archrandom.h index 3ac991d81e74..af45e1452f09 100644 --- a/arch/x86/include/asm/archrandom.h +++ b/arch/x86/include/asm/archrandom.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file is part of the Linux kernel. * * Copyright (c) 2011-2014, Intel Corporation * Authors: Fenghua Yu <fenghua.yu@intel.com>, * H. Peter Anvin <hpa@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef ASM_X86_ARCHRANDOM_H diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 9e27fa05a7ae..4c95c365058a 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -536,7 +536,7 @@ static inline void __fpregs_load_activate(void) struct fpu *fpu = ¤t->thread.fpu; int cpu = smp_processor_id(); - if (WARN_ON_ONCE(current->mm == NULL)) + if (WARN_ON_ONCE(current->flags & PF_KTHREAD)) return; if (!fpregs_state_valid(fpu, cpu)) { @@ -567,11 +567,11 @@ static inline void __fpregs_load_activate(void) * otherwise. * * The FPU context is only stored/restored for a user task and - * ->mm is used to distinguish between kernel and user threads. + * PF_KTHREAD is used to distinguish between kernel and user threads. */ static inline void switch_fpu_prepare(struct fpu *old_fpu, int cpu) { - if (static_cpu_has(X86_FEATURE_FPU) && current->mm) { + if (static_cpu_has(X86_FEATURE_FPU) && !(current->flags & PF_KTHREAD)) { if (!copy_fpregs_to_fpstate(old_fpu)) old_fpu->last_cpu = -1; else diff --git a/arch/x86/include/asm/imr.h b/arch/x86/include/asm/imr.h index ebea2c9d2cdc..0d1dbf235679 100644 --- a/arch/x86/include/asm/imr.h +++ b/arch/x86/include/asm/imr.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * imr.h: Isolated Memory Region API * * Copyright(c) 2013 Intel Corporation. * Copyright(c) 2015 Bryan O'Donoghue <pure.logic@nexus-software.ie> - * - * 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. */ #ifndef _IMR_H #define _IMR_H diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index 9f15384c504a..310118805f57 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -52,6 +52,9 @@ #define INTEL_FAM6_CANNONLAKE_MOBILE 0x66 +#define INTEL_FAM6_ICELAKE_X 0x6A +#define INTEL_FAM6_ICELAKE_XEON_D 0x6C +#define INTEL_FAM6_ICELAKE_DESKTOP 0x7D #define INTEL_FAM6_ICELAKE_MOBILE 0x7E /* "Small Core" Processors (Atom) */ diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h index 52f815a80539..8e5af119dc2d 100644 --- a/arch/x86/include/asm/intel-mid.h +++ b/arch/x86/include/asm/intel-mid.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * intel-mid.h: Intel MID specific setup code * * (C) Copyright 2009 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. */ #ifndef _ASM_X86_INTEL_MID_H #define _ASM_X86_INTEL_MID_H diff --git a/arch/x86/include/asm/intel_telemetry.h b/arch/x86/include/asm/intel_telemetry.h index 85029b58d0cd..214394860632 100644 --- a/arch/x86/include/asm/intel_telemetry.h +++ b/arch/x86/include/asm/intel_telemetry.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel SOC Telemetry Driver Header File * Copyright (C) 2015, Intel Corporation. * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #ifndef INTEL_TELEMETRY_H #define INTEL_TELEMETRY_H diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h index 67ed72f31cc2..4bc985f1e2e4 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Advanced Micro Devices, Inc. * Author: Joerg Roedel <joerg.roedel@amd.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This header file contains the interface of the interrupt remapping code to * the x86 interrupt management code. */ diff --git a/arch/x86/include/asm/platform_sst_audio.h b/arch/x86/include/asm/platform_sst_audio.h index 059823bb8af7..16b9f220bdeb 100644 --- a/arch/x86/include/asm/platform_sst_audio.h +++ b/arch/x86/include/asm/platform_sst_audio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * platform_sst_audio.h: sst audio platform data header file * @@ -5,11 +6,6 @@ * Author: Jeeja KP <jeeja.kp@intel.com> * Omair Mohammed Abdullah <omair.m.abdullah@intel.com> * Vinod Koul ,vinod.koul@intel.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; version 2 - * of the License. */ #ifndef _PLATFORM_SST_AUDIO_H_ #define _PLATFORM_SST_AUDIO_H_ diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h index f94a7d0ddd49..27c47d183f4b 100644 --- a/arch/x86/include/asm/smap.h +++ b/arch/x86/include/asm/smap.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Supervisor Mode Access Prevention support * * Copyright (C) 2012 Intel Corporation * Author: H. Peter Anvin <hpa@linux.intel.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; version 2 - * of the License. */ #ifndef _ASM_X86_SMAP_H diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 9fa979dd0d9d..91b7b6e1a115 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -1,10 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * syscalls.h - Linux syscall interfaces (arch-specific) * * Copyright (c) 2008 Jaswinder Singh Rajput - * - * This file is released under the GPLv2. - * See the file COPYING for more details. */ #ifndef _ASM_X86_SYSCALLS_H diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index 4e4133e86484..a39136b0d509 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -1,25 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * vmx.h: VMX Architecture related definitions * Copyright (c) 2004, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - * * A few random additions are: * Copyright (C) 2006 Qumranet * Avi Kivity <avi@qumranet.com> * Yaniv Kamay <yaniv@qumranet.com> - * */ #ifndef VMX_H #define VMX_H diff --git a/arch/x86/include/asm/xor_avx.h b/arch/x86/include/asm/xor_avx.h index 22a7b1870a31..d61ddf3d052b 100644 --- a/arch/x86/include/asm/xor_avx.h +++ b/arch/x86/include/asm/xor_avx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _ASM_X86_XOR_AVX_H #define _ASM_X86_XOR_AVX_H @@ -8,11 +9,6 @@ * Author: Jim Kukunas <james.t.kukunas@linux.intel.com> * * Based on Ingo Molnar and Zach Brown's respective MMX and SSE routines - * - * 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. */ #ifdef CONFIG_AS_AVX diff --git a/arch/x86/kernel/acpi/cppc_msr.c b/arch/x86/kernel/acpi/cppc_msr.c index 6fb478bf82fd..b961de569e7e 100644 --- a/arch/x86/kernel/acpi/cppc_msr.c +++ b/arch/x86/kernel/acpi/cppc_msr.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * cppc_msr.c: MSR Interface for CPPC * Copyright (c) 2016, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #include <acpi/cppc_acpi.h> diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S index 4203d4f0c68d..e95e95960156 100644 --- a/arch/x86/kernel/acpi/wakeup_32.S +++ b/arch/x86/kernel/acpi/wakeup_32.S @@ -1,9 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ .text #include <linux/linkage.h> #include <asm/segment.h> #include <asm/page_types.h> -# Copyright 2003, 2008 Pavel Machek <pavel@suse.cz>, distribute under GPLv2 +# Copyright 2003, 2008 Pavel Machek <pavel@suse.cz .code32 ALIGN diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S index 510fa12aab73..b0715c3ac18d 100644 --- a/arch/x86/kernel/acpi/wakeup_64.S +++ b/arch/x86/kernel/acpi/wakeup_64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ .text #include <linux/linkage.h> #include <asm/segment.h> @@ -7,7 +8,7 @@ #include <asm/asm-offsets.h> #include <asm/frame.h> -# Copyright 2003 Pavel Machek <pavel@suse.cz>, distribute under GPLv2 +# Copyright 2003 Pavel Machek <pavel@suse.cz .code64 /* diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index 65721dc73bd8..5da106f84e84 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * apb_timer.c: Driver for Langwell APB timers * * (C) Copyright 2009 Intel Corporation * Author: Jacob Pan (jacob.jun.pan@intel.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; version 2 - * of the License. - * * Note: * Langwell is the south complex of Intel Moorestown MID platform. There are * eight external timers in total that can be used by the operating system. diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 1796d2bdcaaa..5102bf7c8192 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -28,7 +28,10 @@ obj-y += cpuid-deps.o obj-$(CONFIG_PROC_FS) += proc.o obj-$(CONFIG_X86_FEATURE_NAMES) += capflags.o powerflags.o -obj-$(CONFIG_CPU_SUP_INTEL) += intel.o intel_pconfig.o intel_epb.o +ifdef CONFIG_CPU_SUP_INTEL +obj-y += intel.o intel_pconfig.o +obj-$(CONFIG_PM) += intel_epb.o +endif obj-$(CONFIG_CPU_SUP_AMD) += amd.o obj-$(CONFIG_CPU_SUP_HYGON) += hygon.o obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix.o diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c index 64d5aec24203..e71a6ff8a67e 100644 --- a/arch/x86/kernel/cpu/aperfmperf.c +++ b/arch/x86/kernel/cpu/aperfmperf.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * x86 APERF/MPERF KHz calculation for * /sys/.../cpufreq/scaling_cur_freq * * Copyright (C) 2017 Intel Corp. * Author: Len Brown <len.brown@intel.com> - * - * This file is licensed under GPLv2. */ #include <linux/delay.h> diff --git a/arch/x86/kernel/cpu/intel_epb.c b/arch/x86/kernel/cpu/intel_epb.c index ebb14a26f117..f4dd73396f28 100644 --- a/arch/x86/kernel/cpu/intel_epb.c +++ b/arch/x86/kernel/cpu/intel_epb.c @@ -97,7 +97,6 @@ static void intel_epb_restore(void) wrmsrl(MSR_IA32_ENERGY_PERF_BIAS, (epb & ~EPB_MASK) | val); } -#ifdef CONFIG_PM static struct syscore_ops intel_epb_syscore_ops = { .suspend = intel_epb_save, .resume = intel_epb_restore, @@ -194,25 +193,6 @@ static int intel_epb_offline(unsigned int cpu) return 0; } -static inline void register_intel_ebp_syscore_ops(void) -{ - register_syscore_ops(&intel_epb_syscore_ops); -} -#else /* !CONFIG_PM */ -static int intel_epb_online(unsigned int cpu) -{ - intel_epb_restore(); - return 0; -} - -static int intel_epb_offline(unsigned int cpu) -{ - return intel_epb_save(); -} - -static inline void register_intel_ebp_syscore_ops(void) {} -#endif - static __init int intel_epb_init(void) { int ret; @@ -226,7 +206,7 @@ static __init int intel_epb_init(void) if (ret < 0) goto err_out_online; - register_intel_ebp_syscore_ops(); + register_syscore_ops(&intel_epb_syscore_ops); return 0; err_out_online: diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c index d904aafe6409..785050af85e5 100644 --- a/arch/x86/kernel/cpu/mce/amd.c +++ b/arch/x86/kernel/cpu/mce/amd.c @@ -1,8 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * (c) 2005-2016 Advanced Micro Devices, Inc. - * Your use of this code is subject to the terms and conditions of the - * GNU general public license version 2. See "COPYING" or - * http://www.gnu.org/licenses/gpl.html * * Written by Jacob Shin - AMD, Inc. * Maintained by: Borislav Petkov <bp@alien8.de> diff --git a/arch/x86/kernel/cpu/mce/apei.c b/arch/x86/kernel/cpu/mce/apei.c index c038e5c00a59..af8d37962586 100644 --- a/arch/x86/kernel/cpu/mce/apei.c +++ b/arch/x86/kernel/cpu/mce/apei.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bridge between MCE and APEI * @@ -13,19 +14,6 @@ * * Copyright 2010 Intel Corp. * Author: Huang Ying <ying.huang@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/export.h> diff --git a/arch/x86/kernel/cpu/mce/genpool.c b/arch/x86/kernel/cpu/mce/genpool.c index 64d1d5a00f39..fbe8b61c3413 100644 --- a/arch/x86/kernel/cpu/mce/genpool.c +++ b/arch/x86/kernel/cpu/mce/genpool.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * MCE event pool management in MCE context * * Copyright (C) 2015 Intel Corp. * Author: Chen, Gong <gong.chen@linux.intel.com> - * - * This file is licensed under GPLv2. */ #include <linux/smp.h> #include <linux/mm.h> diff --git a/arch/x86/kernel/cpu/mce/severity.c b/arch/x86/kernel/cpu/mce/severity.c index 65201e180fe0..2d33a26d257e 100644 --- a/arch/x86/kernel/cpu/mce/severity.c +++ b/arch/x86/kernel/cpu/mce/severity.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * MCE grading rules. * Copyright 2008, 2009 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. - * * Author: Andi Kleen */ #include <linux/kernel.h> diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index e1f3ba19ba54..4ddadf672ab5 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * AMD CPU Microcode Update Driver for Linux * @@ -17,9 +18,6 @@ * * Author: Jacob Shin <jacob.shin@amd.com> * Fixes: Borislav Petkov <bp@suse.de> - * - * Licensed under the terms of the GNU General Public - * License version 2. See file COPYING for details. */ #define pr_fmt(fmt) "microcode: " fmt diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 70a04436380e..a813987b5552 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -872,7 +872,7 @@ int __init microcode_init(void) goto out_ucode_group; register_syscore_ops(&mc_syscore_ops); - cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "x86/microcode:online", + cpuhp_setup_state_nocalls(CPUHP_AP_MICROCODE_LOADER, "x86/microcode:online", mc_cpu_online, mc_cpu_down_prep); pr_info("Microcode Update Driver: v%s.", DRIVER_VERSION); diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 3fa238a137d2..7df29f08871b 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HyperV Detection code. * * Copyright (C) 2010, Novell, Inc. * Author : K. Y. Srinivasan <ksrinivasan@novell.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; version 2 of the License. - * */ #include <linux/types.h> diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c index cfa97ff67bda..5c900f9527ff 100644 --- a/arch/x86/kernel/cpu/rdrand.c +++ b/arch/x86/kernel/cpu/rdrand.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * This file is part of the Linux kernel. * * Copyright (c) 2011, Intel Corporation * Authors: Fenghua Yu <fenghua.yu@intel.com>, * H. Peter Anvin <hpa@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <asm/processor.h> diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index c3a9dc63edf2..03eb90d00af0 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Resource Director Technology(RDT) * - Cache Allocation code. @@ -9,15 +10,6 @@ * Tony Luck <tony.luck@intel.com> * Vikas Shivappa <vikas.shivappa@intel.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * More information about RDT be found in the Intel (R) x86 Architecture * Software Developer Manual June 2016, volume 3, section 17.17. */ diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c index 89320c0396b1..efbd54cc4e69 100644 --- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c +++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Resource Director Technology(RDT) * - Cache Allocation code. @@ -8,15 +9,6 @@ * Fenghua Yu <fenghua.yu@intel.com> * Tony Luck <tony.luck@intel.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * More information about RDT be found in the Intel (R) x86 Architecture * Software Developer Manual June 2016, volume 3, section 17.17. */ diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index 1573a0a6b525..397206f23d14 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Resource Director Technology(RDT) * - Monitoring code @@ -10,15 +11,6 @@ * This replaces the cqm.c based on perf but we reuse a lot of * code and datastructures originally from Peter Zijlstra and Matt Fleming. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * More information about RDT be found in the Intel (R) x86 Architecture * Software Developer Manual June 2016, volume 3, section 17.17. */ @@ -368,6 +360,9 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm) struct list_head *head; struct rdtgroup *entry; + if (!is_mbm_local_enabled()) + return; + r_mba = &rdt_resources_all[RDT_RESOURCE_MBA]; closid = rgrp->closid; rmid = rgrp->mon.rmid; diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 333c177a2471..2131b8bbaad7 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * User interface for Resource Alloction in Resource Director Technology(RDT) * @@ -5,15 +6,6 @@ * * Author: Fenghua Yu <fenghua.yu@intel.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * More information about RDT be found in the Intel (R) x86 Architecture * Software Developer Manual. */ @@ -2542,7 +2534,12 @@ static int __init_one_rdt_domain(struct rdt_domain *d, struct rdt_resource *r, if (closid_allocated(i) && i != closid) { mode = rdtgroup_mode_by_closid(i); if (mode == RDT_MODE_PSEUDO_LOCKSETUP) - break; + /* + * ctrl values for locksetup aren't relevant + * until the schemata is written, and the mode + * becomes RDT_MODE_PSEUDO_LOCKED. + */ + continue; /* * If CDP is active include peer domain's * usage to ensure there is no overlap diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c index aebd0d5bc086..12e7d4406c32 100644 --- a/arch/x86/kernel/espfix_64.c +++ b/arch/x86/kernel/espfix_64.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* ----------------------------------------------------------------------- * * * Copyright 2014 Intel Corporation; author: H. Peter Anvin * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * * ----------------------------------------------------------------------- */ /* diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 466fca686fb9..649fbc3fcf9f 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -102,7 +102,7 @@ static void __kernel_fpu_begin(void) kernel_fpu_disable(); - if (current->mm) { + if (!(current->flags & PF_KTHREAD)) { if (!test_thread_flag(TIF_NEED_FPU_LOAD)) { set_thread_flag(TIF_NEED_FPU_LOAD); /* diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index 5a8d118bc423..0071b794ed19 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -5,6 +5,7 @@ #include <linux/compat.h> #include <linux/cpu.h> +#include <linux/pagemap.h> #include <asm/fpu/internal.h> #include <asm/fpu/signal.h> @@ -61,6 +62,11 @@ static inline int save_fsave_header(struct task_struct *tsk, void __user *buf) struct user_i387_ia32_struct env; struct _fpstate_32 __user *fp = buf; + fpregs_lock(); + if (!test_thread_flag(TIF_NEED_FPU_LOAD)) + copy_fxregs_to_kernel(&tsk->thread.fpu); + fpregs_unlock(); + convert_from_fxsr(&env, tsk); if (__copy_to_user(buf, &env, sizeof(env)) || @@ -189,15 +195,7 @@ retry: fpregs_unlock(); if (ret) { - int aligned_size; - int nr_pages; - - aligned_size = offset_in_page(buf_fx) + fpu_user_xstate_size; - nr_pages = DIV_ROUND_UP(aligned_size, PAGE_SIZE); - - ret = get_user_pages_unlocked((unsigned long)buf_fx, nr_pages, - NULL, FOLL_WRITE); - if (ret == nr_pages) + if (!fault_in_pages_writeable(buf_fx, fpu_user_xstate_size)) goto retry; return -EFAULT; } diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c index d177940aa090..838cf8a32c49 100644 --- a/arch/x86/kernel/itmt.c +++ b/arch/x86/kernel/itmt.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * itmt.c: Support Intel Turbo Boost Max Technology 3.0 * * (C) Copyright 2016 Intel Corporation * Author: Tim Chen <tim.c.chen@linux.intel.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; version 2 - * of the License. - * * On platforms supporting Intel Turbo Boost Max Technology 3.0, (ITMT), * the maximum turbo frequencies of some cores in a CPU package may be * higher than for the other cores in the same package. In that case, diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c index fd6f8fbbe6f2..7670ac2bda3a 100644 --- a/arch/x86/kernel/kdebugfs.c +++ b/arch/x86/kernel/kdebugfs.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Architecture specific debugfs files * * Copyright (C) 2007, Intel Corp. * Huang Ying <ying.huang@intel.com> - * - * This file is released under the GPLv2. */ #include <linux/debugfs.h> #include <linux/uaccess.h> diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 9a8c1648fc9a..6690c5652aeb 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -758,7 +758,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) BREAK_INSTR_SIZE); bpt->type = BP_POKE_BREAKPOINT; - return err; + return 0; } int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c index 163ae706a0d4..7969da939213 100644 --- a/arch/x86/kernel/ksysfs.c +++ b/arch/x86/kernel/ksysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Architecture specific sysfs attributes in /sys/kernel * @@ -5,8 +6,6 @@ * Huang Ying <ying.huang@intel.com> * Copyright (C) 2013, 2013 Red Hat, Inc. * Dave Young <dyoung@redhat.com> - * - * This file is released under the GPLv2 */ #include <linux/kobject.h> diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 6e5ef8fb8a02..a49fe1dcb47e 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * tboot.c: main implementation of helper functions used by kernel for * runtime support of Intel(R) Trusted Execution Technology * * Copyright (c) 2006-2009, Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/intel-iommu.h> diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index 891a75dbc131..796cfaa46bfa 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * vSMPowered(tm) systems specific initialization * Copyright (C) 2005 ScaleMP Inc. * - * Use of this code is subject to the terms and conditions of the - * GNU general public license version 2. See "COPYING" or - * http://www.gnu.org/licenses/gpl.html - * * Ravikiran Thirumalai <kiran@scalemp.com>, * Shai Fultheim <shai@scalemp.com> * Paravirt ops integration: Glauber de Oliveira Costa <gcosta@redhat.com>, diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 007bc654f928..e330e7d125f7 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -1,23 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * irq.c: API for in kernel interrupt controller * Copyright (c) 2007, Intel Corporation. * Copyright 2009 Red Hat, Inc. and/or its affiliates. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. * Authors: * Yaozu (Eddie) Dong <Eddie.dong@intel.com> - * */ #include <linux/export.h> diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index fd210cdd4983..d6519a3aa959 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -1,22 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * irq.h: in kernel interrupt controller related definitions * Copyright (c) 2007, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. * Authors: * Yaozu (Eddie) Dong <Eddie.dong@intel.com> - * */ #ifndef __IRQ_H diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index 3cc3b2d130a0..924b3bd5a7b7 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * irq_comm.c: Common API for in kernel interrupt controller * Copyright (c) 2007, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. * Authors: * Yaozu (Eddie) Dong <Eddie.dong@intel.com> * diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S index 9b330242e740..d63185698a23 100644 --- a/arch/x86/lib/cmpxchg16b_emu.S +++ b/arch/x86/lib/cmpxchg16b_emu.S @@ -1,10 +1,4 @@ -/* - * 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. - * - */ +/* SPDX-License-Identifier: GPL-2.0-only */ #include <linux/linkage.h> #include <asm/percpu.h> diff --git a/arch/x86/lib/cmpxchg8b_emu.S b/arch/x86/lib/cmpxchg8b_emu.S index 03a186fc06ea..691d80e97488 100644 --- a/arch/x86/lib/cmpxchg8b_emu.S +++ b/arch/x86/lib/cmpxchg8b_emu.S @@ -1,10 +1,4 @@ -/* - * 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. - * - */ +/* SPDX-License-Identifier: GPL-2.0-only */ #include <linux/linkage.h> #include <asm/export.h> diff --git a/arch/x86/lib/insn-eval.c b/arch/x86/lib/insn-eval.c index cf00ab6c6621..306c3a0902ba 100644 --- a/arch/x86/lib/insn-eval.c +++ b/arch/x86/lib/insn-eval.c @@ -557,7 +557,8 @@ static int get_reg_offset_16(struct insn *insn, struct pt_regs *regs, } /** - * get_desc() - Obtain pointer to a segment descriptor + * get_desc() - Obtain contents of a segment descriptor + * @out: Segment descriptor contents on success * @sel: Segment selector * * Given a segment selector, obtain a pointer to the segment descriptor. @@ -565,18 +566,18 @@ static int get_reg_offset_16(struct insn *insn, struct pt_regs *regs, * * Returns: * - * Pointer to segment descriptor on success. + * True on success, false on failure. * * NULL on error. */ -static struct desc_struct *get_desc(unsigned short sel) +static bool get_desc(struct desc_struct *out, unsigned short sel) { struct desc_ptr gdt_desc = {0, 0}; unsigned long desc_base; #ifdef CONFIG_MODIFY_LDT_SYSCALL if ((sel & SEGMENT_TI_MASK) == SEGMENT_LDT) { - struct desc_struct *desc = NULL; + bool success = false; struct ldt_struct *ldt; /* Bits [15:3] contain the index of the desired entry. */ @@ -584,12 +585,14 @@ static struct desc_struct *get_desc(unsigned short sel) mutex_lock(¤t->active_mm->context.lock); ldt = current->active_mm->context.ldt; - if (ldt && sel < ldt->nr_entries) - desc = &ldt->entries[sel]; + if (ldt && sel < ldt->nr_entries) { + *out = ldt->entries[sel]; + success = true; + } mutex_unlock(¤t->active_mm->context.lock); - return desc; + return success; } #endif native_store_gdt(&gdt_desc); @@ -604,9 +607,10 @@ static struct desc_struct *get_desc(unsigned short sel) desc_base = sel & ~(SEGMENT_RPL_MASK | SEGMENT_TI_MASK); if (desc_base > gdt_desc.size) - return NULL; + return false; - return (struct desc_struct *)(gdt_desc.address + desc_base); + *out = *(struct desc_struct *)(gdt_desc.address + desc_base); + return true; } /** @@ -628,7 +632,7 @@ static struct desc_struct *get_desc(unsigned short sel) */ unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx) { - struct desc_struct *desc; + struct desc_struct desc; short sel; sel = get_segment_selector(regs, seg_reg_idx); @@ -666,11 +670,10 @@ unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx) if (!sel) return -1L; - desc = get_desc(sel); - if (!desc) + if (!get_desc(&desc, sel)) return -1L; - return get_desc_base(desc); + return get_desc_base(&desc); } /** @@ -692,7 +695,7 @@ unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx) */ static unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx) { - struct desc_struct *desc; + struct desc_struct desc; unsigned long limit; short sel; @@ -706,8 +709,7 @@ static unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx) if (!sel) return 0; - desc = get_desc(sel); - if (!desc) + if (!get_desc(&desc, sel)) return 0; /* @@ -716,8 +718,8 @@ static unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx) * not tested when checking the segment limits. In practice, * this means that the segment ends in (limit << 12) + 0xfff. */ - limit = get_desc_limit(desc); - if (desc->g) + limit = get_desc_limit(&desc); + if (desc.g) limit = (limit << 12) + 0xfff; return limit; @@ -741,7 +743,7 @@ static unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx) */ int insn_get_code_seg_params(struct pt_regs *regs) { - struct desc_struct *desc; + struct desc_struct desc; short sel; if (v8086_mode(regs)) @@ -752,8 +754,7 @@ int insn_get_code_seg_params(struct pt_regs *regs) if (sel < 0) return sel; - desc = get_desc(sel); - if (!desc) + if (!get_desc(&desc, sel)) return -EINVAL; /* @@ -761,10 +762,10 @@ int insn_get_code_seg_params(struct pt_regs *regs) * determines whether a segment contains data or code. If this is a data * segment, return error. */ - if (!(desc->type & BIT(3))) + if (!(desc.type & BIT(3))) return -EINVAL; - switch ((desc->l << 1) | desc->d) { + switch ((desc.l << 1) | desc.d) { case 0: /* * Legacy mode. CS.L=0, CS.D=0. Address and operand size are * both 16-bit. diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index 6a7302d1161f..ab67822fd2f4 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Debug helper to dump the current kernel pagetables of the system * so that we can see what the various memory ranges are set to. @@ -5,11 +6,6 @@ * (C) Copyright 2008 Intel Corporation * * Author: Arjan van de Ven <arjan@linux.intel.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; version 2 - * of the License. */ #include <linux/debugfs.h> diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 8dc0fc0b1382..296da58f3013 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -199,7 +199,7 @@ static inline p4d_t *early_p4d_offset(pgd_t *pgd, unsigned long addr) if (!pgtable_l5_enabled()) return (p4d_t *)pgd; - p4d = __pa_nodebug(pgd_val(*pgd)) & PTE_PFN_MASK; + p4d = pgd_val(*pgd) & PTE_PFN_MASK; p4d += __START_KERNEL_map - phys_base; return (p4d_t *)p4d + p4d_index(addr); } diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c index dc3f058bdf9b..dc6182eecefa 100644 --- a/arch/x86/mm/kaslr.c +++ b/arch/x86/mm/kaslr.c @@ -52,7 +52,7 @@ static __initdata struct kaslr_memory_region { } kaslr_regions[] = { { &page_offset_base, 0 }, { &vmalloc_base, 0 }, - { &vmemmap_base, 1 }, + { &vmemmap_base, 0 }, }; /* Get size in bytes used by the memory region */ @@ -78,6 +78,7 @@ void __init kernel_randomize_memory(void) unsigned long rand, memory_tb; struct rnd_state rand_state; unsigned long remain_entropy; + unsigned long vmemmap_size; vaddr_start = pgtable_l5_enabled() ? __PAGE_OFFSET_BASE_L5 : __PAGE_OFFSET_BASE_L4; vaddr = vaddr_start; @@ -109,6 +110,14 @@ void __init kernel_randomize_memory(void) if (memory_tb < kaslr_regions[0].size_tb) kaslr_regions[0].size_tb = memory_tb; + /* + * Calculate the vmemmap region size in TBs, aligned to a TB + * boundary. + */ + vmemmap_size = (kaslr_regions[0].size_tb << (TB_SHIFT - PAGE_SHIFT)) * + sizeof(struct page); + kaslr_regions[2].size_tb = DIV_ROUND_UP(vmemmap_size, 1UL << TB_SHIFT); + /* Calculate entropy available between regions */ remain_entropy = vaddr_end - vaddr_start; for (i = 0; i < ARRAY_SIZE(kaslr_regions); i++) diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c index 1dcfc91c8f0c..c6f84c0b5d7a 100644 --- a/arch/x86/mm/pkeys.c +++ b/arch/x86/mm/pkeys.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Memory Protection Keys management * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/debugfs.h> /* debugfs_create_u32() */ #include <linux/mm_types.h> /* mm_struct, vma, etc... */ diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 9c2463bc158f..b196524759ec 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright(c) 2017 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * * This code is based in part on work published here: * * https://github.com/IAIK/KAISER diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index afabf597c855..eaaed5bfc4a4 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * bpf_jit_comp.c: BPF JIT compiler * * Copyright (C) 2011-2013 Eric Dumazet (eric.dumazet@gmail.com) * Internal BPF Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.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; version 2 - * of the License. */ #include <linux/netdevice.h> #include <linux/filter.h> @@ -190,9 +186,7 @@ struct jit_context { #define BPF_MAX_INSN_SIZE 128 #define BPF_INSN_SAFETY 64 -#define AUX_STACK_SPACE 40 /* Space for RBX, R13, R14, R15, tailcnt */ - -#define PROLOGUE_SIZE 37 +#define PROLOGUE_SIZE 20 /* * Emit x86-64 prologue code for BPF program and check its size. @@ -203,44 +197,19 @@ static void emit_prologue(u8 **pprog, u32 stack_depth, bool ebpf_from_cbpf) u8 *prog = *pprog; int cnt = 0; - /* push rbp */ - EMIT1(0x55); - - /* mov rbp,rsp */ - EMIT3(0x48, 0x89, 0xE5); - - /* sub rsp, rounded_stack_depth + AUX_STACK_SPACE */ - EMIT3_off32(0x48, 0x81, 0xEC, - round_up(stack_depth, 8) + AUX_STACK_SPACE); - - /* sub rbp, AUX_STACK_SPACE */ - EMIT4(0x48, 0x83, 0xED, AUX_STACK_SPACE); - - /* mov qword ptr [rbp+0],rbx */ - EMIT4(0x48, 0x89, 0x5D, 0); - /* mov qword ptr [rbp+8],r13 */ - EMIT4(0x4C, 0x89, 0x6D, 8); - /* mov qword ptr [rbp+16],r14 */ - EMIT4(0x4C, 0x89, 0x75, 16); - /* mov qword ptr [rbp+24],r15 */ - EMIT4(0x4C, 0x89, 0x7D, 24); - + EMIT1(0x55); /* push rbp */ + EMIT3(0x48, 0x89, 0xE5); /* mov rbp, rsp */ + /* sub rsp, rounded_stack_depth */ + EMIT3_off32(0x48, 0x81, 0xEC, round_up(stack_depth, 8)); + EMIT1(0x53); /* push rbx */ + EMIT2(0x41, 0x55); /* push r13 */ + EMIT2(0x41, 0x56); /* push r14 */ + EMIT2(0x41, 0x57); /* push r15 */ if (!ebpf_from_cbpf) { - /* - * Clear the tail call counter (tail_call_cnt): for eBPF tail - * calls we need to reset the counter to 0. It's done in two - * instructions, resetting RAX register to 0, and moving it - * to the counter location. - */ - - /* xor eax, eax */ - EMIT2(0x31, 0xc0); - /* mov qword ptr [rbp+32], rax */ - EMIT4(0x48, 0x89, 0x45, 32); - + /* zero init tail_call_cnt */ + EMIT2(0x6a, 0x00); BUILD_BUG_ON(cnt != PROLOGUE_SIZE); } - *pprog = prog; } @@ -285,13 +254,13 @@ static void emit_bpf_tail_call(u8 **pprog) * if (tail_call_cnt > MAX_TAIL_CALL_CNT) * goto out; */ - EMIT2_off32(0x8B, 0x85, 36); /* mov eax, dword ptr [rbp + 36] */ + EMIT2_off32(0x8B, 0x85, -36 - MAX_BPF_STACK); /* mov eax, dword ptr [rbp - 548] */ EMIT3(0x83, 0xF8, MAX_TAIL_CALL_CNT); /* cmp eax, MAX_TAIL_CALL_CNT */ #define OFFSET2 (30 + RETPOLINE_RAX_BPF_JIT_SIZE) EMIT2(X86_JA, OFFSET2); /* ja out */ label2 = cnt; EMIT3(0x83, 0xC0, 0x01); /* add eax, 1 */ - EMIT2_off32(0x89, 0x85, 36); /* mov dword ptr [rbp + 36], eax */ + EMIT2_off32(0x89, 0x85, -36 - MAX_BPF_STACK); /* mov dword ptr [rbp -548], eax */ /* prog = array->ptrs[index]; */ EMIT4_off32(0x48, 0x8B, 0x84, 0xD6, /* mov rax, [rsi + rdx * 8 + offsetof(...)] */ @@ -1040,19 +1009,14 @@ emit_jmp: seen_exit = true; /* Update cleanup_addr */ ctx->cleanup_addr = proglen; - /* mov rbx, qword ptr [rbp+0] */ - EMIT4(0x48, 0x8B, 0x5D, 0); - /* mov r13, qword ptr [rbp+8] */ - EMIT4(0x4C, 0x8B, 0x6D, 8); - /* mov r14, qword ptr [rbp+16] */ - EMIT4(0x4C, 0x8B, 0x75, 16); - /* mov r15, qword ptr [rbp+24] */ - EMIT4(0x4C, 0x8B, 0x7D, 24); - - /* add rbp, AUX_STACK_SPACE */ - EMIT4(0x48, 0x83, 0xC5, AUX_STACK_SPACE); - EMIT1(0xC9); /* leave */ - EMIT1(0xC3); /* ret */ + if (!bpf_prog_was_classic(bpf_prog)) + EMIT1(0x5B); /* get rid of tail_call_cnt */ + EMIT2(0x41, 0x5F); /* pop r15 */ + EMIT2(0x41, 0x5E); /* pop r14 */ + EMIT2(0x41, 0x5D); /* pop r13 */ + EMIT1(0x5B); /* pop rbx */ + EMIT1(0xC9); /* leave */ + EMIT1(0xC3); /* ret */ break; default: diff --git a/arch/x86/pci/ce4100.c b/arch/x86/pci/ce4100.c index 3353b76dcff0..584c25b588b4 100644 --- a/arch/x86/pci/ce4100.c +++ b/arch/x86/pci/ce4100.c @@ -1,23 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * GPL LICENSE SUMMARY - * * Copyright(c) 2010 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * * Contact Information: * Intel Corporation * 2200 Mission College Blvd. diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index 3e9e166f6408..bfa789875322 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -1,8 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2004 Matthew Wilcox <matthew@wil.cx> * Copyright (C) 2004 Intel Corp. - * - * This code is released under the GNU General Public License version 2. */ /* diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c index 3cdafea55ab6..97bbc12dd6b2 100644 --- a/arch/x86/pci/sta2x11-fixup.c +++ b/arch/x86/pci/sta2x11-fixup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * arch/x86/pci/sta2x11-fixup.c * glue code for lib/swiotlb.c and DMA translation between STA2x11 @@ -6,20 +7,6 @@ * ST Microelectronics ConneXt (STA2X11/STA2X10) * * Copyright (c) 2010-2011 Wind River Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/pci.h> diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c index 6cb6076223ba..17185d73d649 100644 --- a/arch/x86/platform/atom/punit_atom_debug.c +++ b/arch/x86/platform/atom/punit_atom_debug.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel SOC Punit device state debug driver * Punit controls power management for North Complex devices (Graphics * blocks, Image Signal Processing, video processing, display, DSP etc.) * * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #include <linux/module.h> diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index b3233b1835ea..40745664d92f 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel CE4100 platform specific setup code * * (C) Copyright 2010 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. */ #include <linux/init.h> #include <linux/kernel.h> diff --git a/arch/x86/platform/ce4100/falconfalls.dts b/arch/x86/platform/ce4100/falconfalls.dts index ce874f872cc6..0ac3d4357136 100644 --- a/arch/x86/platform/ce4100/falconfalls.dts +++ b/arch/x86/platform/ce4100/falconfalls.dts @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * CE4100 on Falcon Falls * * (c) Copyright 2010 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. */ /dts-v1/; / { diff --git a/arch/x86/platform/goldfish/goldfish.c b/arch/x86/platform/goldfish/goldfish.c index 0d17c0aafeb1..6b6f8b4360dd 100644 --- a/arch/x86/platform/goldfish/goldfish.c +++ b/arch/x86/platform/goldfish/goldfish.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2007 Google, Inc. * Copyright (C) 2011 Intel, Inc. * Copyright (C) 2013 Intel, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_bcm43xx.c b/arch/x86/platform/intel-mid/device_libs/platform_bcm43xx.c index 1421d5330b2c..564c47c53f3a 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_bcm43xx.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_bcm43xx.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_bcm43xx.c: bcm43xx platform data initialization file * * (C) Copyright 2016 Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/gpio/machine.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_bma023.c b/arch/x86/platform/intel-mid/device_libs/platform_bma023.c index c26cf393d35a..32912a17f68e 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_bma023.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_bma023.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_bma023.c: bma023 platform data initialization file * * (C) Copyright 2013 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. */ #include <asm/intel-mid.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_bt.c b/arch/x86/platform/intel-mid/device_libs/platform_bt.c index 31dce781364c..e3f4bfc08f78 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_bt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_bt.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Bluetooth platform data initialization file * * (C) Copyright 2017 Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/gpio/machine.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c b/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c index c259fb6c8f4f..a2508582a0b1 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_emc1403.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_emc1403.c: emc1403 platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c index e639e3116acf..d9435d2196a4 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_gpio_keys.c: gpio_keys platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/input.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_lis331.c b/arch/x86/platform/intel-mid/device_libs/platform_lis331.c index a35cf912de43..a4485cd638c6 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_lis331.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_lis331.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_lis331.c: lis331 platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/i2c.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c index 58337b2bc682..e9287c3184da 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_max7315.c: max7315 platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c b/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c index ee22864bbc2f..28a182713934 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mpu3050.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_mpu3050.c: mpu3050 platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/gpio.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_pinctrl.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_pinctrl.c index 4de8a664e6a1..605e1f94ad89 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_pinctrl.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_pinctrl.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Merrifield FLIS platform device initialization file * * Copyright (C) 2016, Intel Corporation * * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c index a6c3705a28ad..ec2afb41b34a 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Merrifield power button support * * (C) Copyright 2017 Intel Corporation * * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_rtc.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_rtc.c index 3135416df037..40e9808a9634 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_rtc.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_rtc.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Merrifield legacy RTC initialization file * * (C) Copyright 2017 Intel Corporation * * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_sd.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_sd.c index 00c4a034ad93..fe3b7ff975f3 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_sd.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_sd.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * SDHCI platform data initilisation file * * (C) Copyright 2016 Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c index 7a7fc54c449b..b828f4fd40be 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_spidev.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * spidev platform data initialization file * * (C) Copyright 2014, 2016 Intel Corporation * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * Dan O'Donovan <dan@emutex.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; version 2 - * of the License. */ #include <linux/err.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c index 2acd6be13375..227218a8f98e 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel Merrifield watchdog platform device library file * * (C) Copyright 2014 Intel Corporation * Author: David Cohen <david.a.cohen@linux.intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic.c b/arch/x86/platform/intel-mid/device_libs/platform_msic.c index e421106c11cf..b17783d0d4e7 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic.c: MSIC platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic.h b/arch/x86/platform/intel-mid/device_libs/platform_msic.h index b7be1d041da2..91deb2e65b0e 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic.h +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * platform_msic.h: MSIC platform data header file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #ifndef _PLATFORM_MSIC_H_ #define _PLATFORM_MSIC_H_ diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c index d4dc744dd5a5..e765da78ad8c 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_audio.c: MSIC audio platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_battery.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_battery.c index 5c3e9919633f..f461f84903f8 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_battery.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_battery.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_battery.c: MSIC battery platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_gpio.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_gpio.c index 9fdb88d460d7..71a7d6db3878 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_gpio.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_gpio.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_gpio.c: MSIC GPIO platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_ocd.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_ocd.c index 7ae37cdbf256..558c0d974430 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_ocd.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_ocd.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_ocd.c: MSIC OCD platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_power_btn.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_power_btn.c index 96809b98cf69..3d3de2d59726 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_power_btn.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_power_btn.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_power_btn.c: MSIC power btn platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/kernel.h> #include <linux/interrupt.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_msic_thermal.c b/arch/x86/platform/intel-mid/device_libs/platform_msic_thermal.c index 3e4167d246cd..4858da1d78c6 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_msic_thermal.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_msic_thermal.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_msic_thermal.c: msic_thermal platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/input.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c b/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c index 8344d5a928c9..5609d8da3978 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PCAL9555a platform data initialization file * @@ -5,11 +6,6 @@ * * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * Dan O'Donovan <dan@emutex.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; version 2 - * of the License. */ #include <linux/gpio.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c b/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c index 2905376559f1..44d1f884c3d3 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_tc35876x.c: tc35876x platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/gpio.h> diff --git a/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c index 4f41372ce400..e689d8f61059 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_tca6416.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * platform_tca6416.c: tca6416 platform data initialization file * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/platform_data/pca953x.h> diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c index 56f66eafb94f..780728161f7d 100644 --- a/arch/x86/platform/intel-mid/intel-mid.c +++ b/arch/x86/platform/intel-mid/intel-mid.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * intel-mid.c: Intel MID platform setup code * * (C) Copyright 2008, 2012 Intel Corporation * Author: Jacob Pan (jacob.jun.pan@intel.com) * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #define pr_fmt(fmt) "intel_mid: " fmt diff --git a/arch/x86/platform/intel-mid/intel_mid_vrtc.c b/arch/x86/platform/intel-mid/intel_mid_vrtc.c index a52914aa3b6c..2226da4f437a 100644 --- a/arch/x86/platform/intel-mid/intel_mid_vrtc.c +++ b/arch/x86/platform/intel-mid/intel_mid_vrtc.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * intel_mid_vrtc.c: Driver for virtual RTC device on Intel MID platform * * (C) Copyright 2009 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. - * * Note: * VRTC is emulated by system controller firmware, the real HW * RTC is located in the PMIC device. SCU FW shadows PMIC RTC diff --git a/arch/x86/platform/intel-mid/pwr.c b/arch/x86/platform/intel-mid/pwr.c index 49ec5b94c71f..27288d8d3f71 100644 --- a/arch/x86/platform/intel-mid/pwr.c +++ b/arch/x86/platform/intel-mid/pwr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel MID Power Management Unit (PWRMU) device driver * @@ -5,10 +6,6 @@ * * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * * Intel MID Power Management Unit device driver handles the South Complex PCI * devices such as GPDMA, SPI, I2C, PWM, and so on. By default PCI core * modifies bits in PMCSR register in the PCI configuration space. This is not diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c index 7be1e1fe9ae3..b8f7f193f383 100644 --- a/arch/x86/platform/intel-mid/sfi.c +++ b/arch/x86/platform/intel-mid/sfi.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * intel_mid_sfi.c: Intel MID SFI initialization code * * (C) Copyright 2013 Intel Corporation * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.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; version 2 - * of the License. */ #include <linux/init.h> diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c index a9f2e888e135..b393eaa798ef 100644 --- a/arch/x86/platform/intel/iosf_mbi.c +++ b/arch/x86/platform/intel/iosf_mbi.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * IOSF-SB MailBox Interface Driver * Copyright (c) 2013, Intel Corporation. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * * The IOSF-SB is a fabric bus available on Atom based SOC's that uses a * mailbox interface (MBI) to communicate with multiple devices. This * driver implements access to this interface for those platforms that can diff --git a/arch/x86/platform/sfi/sfi.c b/arch/x86/platform/sfi/sfi.c index 6c7111bbd1e9..bf6016f8db4e 100644 --- a/arch/x86/platform/sfi/sfi.c +++ b/arch/x86/platform/sfi/sfi.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * sfi.c - x86 architecture SFI support. * * Copyright (c) 2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #define KMSG_COMPONENT "SFI" diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index a7d966964c6f..24b079e94bc2 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -1,8 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Suspend support specific for i386/x86-64. * - * Distribute under GPLv2 - * * Copyright (c) 2007 Rafael J. Wysocki <rjw@sisk.pl> * Copyright (c) 2002 Pavel Machek <pavel@ucw.cz> * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org> @@ -299,7 +298,17 @@ int hibernate_resume_nonboot_cpu_disable(void) * address in its instruction pointer may not be possible to resolve * any more at that point (the page tables used by it previously may * have been overwritten by hibernate image data). + * + * First, make sure that we wake up all the potentially disabled SMT + * threads which have been initially brought up and then put into + * mwait/cpuidle sleep. + * Those will be put to proper (not interfering with hibernation + * resume) sleep afterwards, and the resumed kernel will decide itself + * what to do with them. */ + ret = cpuhp_smt_enable(); + if (ret) + return ret; smp_ops.play_dead = resume_play_dead; ret = disable_nonboot_cpus(); smp_ops.play_dead = play_dead; diff --git a/arch/x86/power/hibernate.c b/arch/x86/power/hibernate.c index 4845b8c7be7f..fc413717a45f 100644 --- a/arch/x86/power/hibernate.c +++ b/arch/x86/power/hibernate.c @@ -11,6 +11,7 @@ #include <linux/suspend.h> #include <linux/scatterlist.h> #include <linux/kdebug.h> +#include <linux/cpu.h> #include <crypto/hash.h> @@ -245,3 +246,35 @@ out: __flush_tlb_all(); return 0; } + +int arch_resume_nosmt(void) +{ + int ret = 0; + /* + * We reached this while coming out of hibernation. This means + * that SMT siblings are sleeping in hlt, as mwait is not safe + * against control transition during resume (see comment in + * hibernate_resume_nonboot_cpu_disable()). + * + * If the resumed kernel has SMT disabled, we have to take all the + * SMT siblings out of hlt, and offline them again so that they + * end up in mwait proper. + * + * Called with hotplug disabled. + */ + cpu_hotplug_enable(); + if (cpu_smt_control == CPU_SMT_DISABLED || + cpu_smt_control == CPU_SMT_FORCE_DISABLED) { + enum cpuhp_smt_control old = cpu_smt_control; + + ret = cpuhp_smt_enable(); + if (ret) + goto out; + ret = cpuhp_smt_disable(old); + if (ret) + goto out; + } +out: + cpu_hotplug_disable(); + return ret; +} diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c index be15bdcb20df..a1061d471b73 100644 --- a/arch/x86/power/hibernate_32.c +++ b/arch/x86/power/hibernate_32.c @@ -1,8 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Hibernation support specific for i386 - temporary page tables * - * Distribute under GPLv2 - * * Copyright (c) 2006 Rafael J. Wysocki <rjw@sisk.pl> */ diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c index 239f424ccb29..0197095d9637 100644 --- a/arch/x86/power/hibernate_64.c +++ b/arch/x86/power/hibernate_64.c @@ -1,8 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Hibernation support for x86-64 * - * Distribute under GPLv2 - * * Copyright (c) 2007 Rafael J. Wysocki <rjw@sisk.pl> * Copyright (c) 2002 Pavel Machek <pavel@ucw.cz> * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org> diff --git a/arch/x86/power/hibernate_asm_64.S b/arch/x86/power/hibernate_asm_64.S index 3008baa2fa95..a4d5eb0a7ece 100644 --- a/arch/x86/power/hibernate_asm_64.S +++ b/arch/x86/power/hibernate_asm_64.S @@ -1,8 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Hibernation support for x86-64 * - * Distribute under GPLv2. - * * Copyright 2007 Rafael J. Wysocki <rjw@sisk.pl> * Copyright 2005 Andi Kleen <ak@suse.de> * Copyright 2004 Pavel Machek <pavel@suse.cz> |