diff options
Diffstat (limited to 'arch/powerpc/lib')
29 files changed, 69 insertions, 221 deletions
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 79396e184bca..c55f9c27bf79 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -8,9 +8,22 @@ ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) CFLAGS_REMOVE_code-patching.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_feature-fixups.o = $(CC_FLAGS_FTRACE) -obj-y += string.o alloc.o code-patching.o feature-fixups.o +KASAN_SANITIZE_code-patching.o := n +KASAN_SANITIZE_feature-fixups.o := n -obj-$(CONFIG_PPC32) += div64.o copy_32.o crtsavres.o strlen_32.o +ifdef CONFIG_KASAN +CFLAGS_code-patching.o += -DDISABLE_BRANCH_PROFILING +CFLAGS_feature-fixups.o += -DDISABLE_BRANCH_PROFILING +endif + +obj-y += alloc.o code-patching.o feature-fixups.o + +ifndef CONFIG_KASAN +obj-y += string.o memcmp_$(BITS).o +obj-$(CONFIG_PPC32) += strlen_32.o +endif + +obj-$(CONFIG_PPC32) += div64.o copy_32.o crtsavres.o obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o @@ -34,7 +47,7 @@ obj64-$(CONFIG_KPROBES_SANITY_TEST) += test_emulate_step.o \ test_emulate_step_exec_instr.o obj-y += checksum_$(BITS).o checksum_wrappers.o \ - string_$(BITS).o memcmp_$(BITS).o + string_$(BITS).o obj-y += sstep.o ldstfp.o quad.o obj64-y += quad.o diff --git a/arch/powerpc/lib/checksum_32.S b/arch/powerpc/lib/checksum_32.S index aa224069f93a..ecd150dc3ed9 100644 --- a/arch/powerpc/lib/checksum_32.S +++ b/arch/powerpc/lib/checksum_32.S @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * This file contains assembly-language implementations * of IP-style 1's complement checksum routines. * * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) * - * 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. - * * Severely hacked about by Paul Mackerras (paulus@cs.anu.edu.au). */ diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S index d05c8af4ac51..514978f908d4 100644 --- a/arch/powerpc/lib/checksum_64.S +++ b/arch/powerpc/lib/checksum_64.S @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * This file contains assembly-language implementations * of IP-style 1's complement checksum routines. * * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) * - * 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. - * * Severely hacked about by Paul Mackerras (paulus@cs.anu.edu.au). */ diff --git a/arch/powerpc/lib/checksum_wrappers.c b/arch/powerpc/lib/checksum_wrappers.c index 890d4ddd91d6..fabe4db28726 100644 --- a/arch/powerpc/lib/checksum_wrappers.c +++ b/arch/powerpc/lib/checksum_wrappers.c @@ -1,17 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2010 * @@ -29,6 +17,7 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst, unsigned int csum; might_sleep(); + allow_read_from_user(src, len); *err_ptr = 0; @@ -60,6 +49,7 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst, } out: + prevent_read_from_user(src, len); return (__force __wsum)csum; } EXPORT_SYMBOL(csum_and_copy_from_user); @@ -70,6 +60,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, unsigned int csum; might_sleep(); + allow_write_to_user(dst, len); *err_ptr = 0; @@ -97,6 +88,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, } out: + prevent_write_to_user(dst, len); return (__force __wsum)csum; } EXPORT_SYMBOL(csum_and_copy_to_user); diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index 506413a2c25e..3345f039a876 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2008 Michael Ellerman, IBM 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; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> @@ -15,7 +11,6 @@ #include <linux/cpuhotplug.h> #include <linux/slab.h> #include <linux/uaccess.h> -#include <linux/kprobes.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> @@ -26,9 +21,9 @@ static int __patch_instruction(unsigned int *exec_addr, unsigned int instr, unsigned int *patch_addr) { - int err; + int err = 0; - __put_user_size(instr, patch_addr, 4, err); + __put_user_asm(instr, patch_addr, err, "stw"); if (err) return err; diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S index ba66846fe973..a3bcf4786e4a 100644 --- a/arch/powerpc/lib/copy_32.S +++ b/arch/powerpc/lib/copy_32.S @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Memory copy functions for 32-bit PowerPC. * * Copyright (C) 1996-2005 Paul Mackerras. - * - * 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. */ #include <asm/processor.h> #include <asm/cache.h> @@ -14,6 +10,7 @@ #include <asm/ppc_asm.h> #include <asm/export.h> #include <asm/code-patching-asm.h> +#include <asm/kasan.h> #define COPY_16_BYTES \ lwz r7,4(r4); \ @@ -68,6 +65,7 @@ CACHELINE_BYTES = L1_CACHE_BYTES LG_CACHELINE_BYTES = L1_CACHE_SHIFT CACHELINE_MASK = (L1_CACHE_BYTES-1) +#ifndef CONFIG_KASAN _GLOBAL(memset16) rlwinm. r0 ,r5, 31, 1, 31 addi r6, r3, -4 @@ -81,6 +79,7 @@ _GLOBAL(memset16) sth r4, 4(r6) blr EXPORT_SYMBOL(memset16) +#endif /* * Use dcbz on the complete cache lines in the destination @@ -91,7 +90,7 @@ EXPORT_SYMBOL(memset16) * We therefore skip the optimised bloc that uses dcbz. This jump is * replaced by a nop once cache is active. This is done in machine_init() */ -_GLOBAL(memset) +_GLOBAL_KASAN(memset) cmplwi 0,r5,4 blt 7f @@ -151,6 +150,7 @@ _GLOBAL(memset) bdnz 9b blr EXPORT_SYMBOL(memset) +EXPORT_SYMBOL_KASAN(memset) /* * This version uses dcbz on the complete cache lines in the @@ -163,12 +163,12 @@ EXPORT_SYMBOL(memset) * We therefore jump to generic_memcpy which doesn't use dcbz. This jump is * replaced by a nop once cache is active. This is done in machine_init() */ -_GLOBAL(memmove) +_GLOBAL_KASAN(memmove) cmplw 0,r3,r4 bgt backwards_memcpy /* fall through */ -_GLOBAL(memcpy) +_GLOBAL_KASAN(memcpy) 1: b generic_memcpy patch_site 1b, patch__memcpy_nocache @@ -244,6 +244,8 @@ _GLOBAL(memcpy) 65: blr EXPORT_SYMBOL(memcpy) EXPORT_SYMBOL(memmove) +EXPORT_SYMBOL_KASAN(memcpy) +EXPORT_SYMBOL_KASAN(memmove) generic_memcpy: srwi. r7,r5,3 diff --git a/arch/powerpc/lib/copypage_64.S b/arch/powerpc/lib/copypage_64.S index 694390357667..d1091b5ee5da 100644 --- a/arch/powerpc/lib/copypage_64.S +++ b/arch/powerpc/lib/copypage_64.S @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2008 Mark Nelson, IBM Corp. - * - * 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. */ #include <asm/page.h> #include <asm/processor.h> diff --git a/arch/powerpc/lib/copypage_power7.S b/arch/powerpc/lib/copypage_power7.S index e38f956f7d9f..a9844c6353cf 100644 --- a/arch/powerpc/lib/copypage_power7.S +++ b/arch/powerpc/lib/copypage_power7.S @@ -1,17 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2012 * diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index 96c514bee66b..db8719a14846 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2002 Paul Mackerras, IBM Corp. - * - * 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. */ #include <asm/processor.h> #include <asm/ppc_asm.h> diff --git a/arch/powerpc/lib/copyuser_power7.S b/arch/powerpc/lib/copyuser_power7.S index 1a1fe180af62..28f0be523c06 100644 --- a/arch/powerpc/lib/copyuser_power7.S +++ b/arch/powerpc/lib/copyuser_power7.S @@ -1,17 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2011 * diff --git a/arch/powerpc/lib/div64.S b/arch/powerpc/lib/div64.S index 83d9832fd919..3d5426e7dcc4 100644 --- a/arch/powerpc/lib/div64.S +++ b/arch/powerpc/lib/div64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Divide a 64-bit unsigned number by a 32-bit unsigned number. * This routine assumes that the top 32 bits of the dividend are @@ -7,11 +8,6 @@ * On exit, r3 contains the remainder. * * Copyright (C) 2002 Paul Mackerras, IBM Corp. - * - * 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. */ #include <asm/ppc_asm.h> #include <asm/processor.h> diff --git a/arch/powerpc/lib/feature-fixups-test.S b/arch/powerpc/lib/feature-fixups-test.S index ee7c5fd5fc64..b12168c2447a 100644 --- a/arch/powerpc/lib/feature-fixups-test.S +++ b/arch/powerpc/lib/feature-fixups-test.S @@ -1,11 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2008 Michael Ellerman, IBM 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; either version - * 2 of the License, or (at your option) any later version. */ #include <asm/feature-fixups.h> diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 5169cc805464..4ba634b89ce5 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) * @@ -5,11 +6,6 @@ * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> * * Copyright 2008 Michael Ellerman, IBM 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; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> diff --git a/arch/powerpc/lib/hweight_64.S b/arch/powerpc/lib/hweight_64.S index 0526b2225260..6effad901ef7 100644 --- a/arch/powerpc/lib/hweight_64.S +++ b/arch/powerpc/lib/hweight_64.S @@ -1,17 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2010 * diff --git a/arch/powerpc/lib/ldstfp.S b/arch/powerpc/lib/ldstfp.S index 32e91994b6b2..e32f477d4426 100644 --- a/arch/powerpc/lib/ldstfp.S +++ b/arch/powerpc/lib/ldstfp.S @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Floating-point, VMX/Altivec and VSX loads and stores * for use in instruction emulation. * * Copyright 2010 Paul Mackerras, IBM Corp. <paulus@au1.ibm.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. */ #include <asm/processor.h> diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 35a0ef932e1a..6550b9e5ce5f 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Spin and read/write lock operations. * @@ -5,11 +6,6 @@ * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM * Copyright (C) 2002 Dave Engebretsen <engebret@us.ibm.com>, IBM * Rework to support virtual 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. */ #include <linux/kernel.h> diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S index 3c3be02f33b7..9351ffab409c 100644 --- a/arch/powerpc/lib/mem_64.S +++ b/arch/powerpc/lib/mem_64.S @@ -1,18 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * String handling functions for PowerPC. * * Copyright (C) 1996 Paul Mackerras. - * - * 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. */ #include <asm/processor.h> #include <asm/errno.h> #include <asm/ppc_asm.h> #include <asm/export.h> +#include <asm/kasan.h> +#ifndef CONFIG_KASAN _GLOBAL(__memset16) rlwimi r4,r4,16,0,15 /* fall through */ @@ -29,8 +27,9 @@ _GLOBAL(__memset64) EXPORT_SYMBOL(__memset16) EXPORT_SYMBOL(__memset32) EXPORT_SYMBOL(__memset64) +#endif -_GLOBAL(memset) +_GLOBAL_KASAN(memset) neg r0,r3 rlwimi r4,r4,8,16,23 andi. r0,r0,7 /* # bytes to be 8-byte aligned */ @@ -96,8 +95,9 @@ _GLOBAL(memset) stb r4,0(r6) blr EXPORT_SYMBOL(memset) +EXPORT_SYMBOL_KASAN(memset) -_GLOBAL_TOC(memmove) +_GLOBAL_TOC_KASAN(memmove) cmplw 0,r3,r4 bgt backwards_memcpy b memcpy @@ -139,3 +139,4 @@ _GLOBAL(backwards_memcpy) mtctr r7 b 1b EXPORT_SYMBOL(memmove) +EXPORT_SYMBOL_KASAN(memmove) diff --git a/arch/powerpc/lib/memcmp_64.S b/arch/powerpc/lib/memcmp_64.S index b7f6f6e0b6e8..384218df71ba 100644 --- a/arch/powerpc/lib/memcmp_64.S +++ b/arch/powerpc/lib/memcmp_64.S @@ -1,11 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Author: Anton Blanchard <anton@au.ibm.com> * Copyright 2015 IBM 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; either version - * 2 of the License, or (at your option) any later version. */ #include <asm/ppc_asm.h> #include <asm/export.h> diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S index 273ea67e60a1..016c91e958d8 100644 --- a/arch/powerpc/lib/memcpy_64.S +++ b/arch/powerpc/lib/memcpy_64.S @@ -1,16 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2002 Paul Mackerras, IBM Corp. - * - * 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. */ #include <asm/processor.h> #include <asm/ppc_asm.h> #include <asm/export.h> #include <asm/asm-compat.h> #include <asm/feature-fixups.h> +#include <asm/kasan.h> #ifndef SELFTEST_CASE /* For big-endian, 0 == most CPUs, 1 == POWER6, 2 == Cell */ @@ -18,7 +15,7 @@ #endif .align 7 -_GLOBAL_TOC(memcpy) +_GLOBAL_TOC_KASAN(memcpy) BEGIN_FTR_SECTION #ifdef __LITTLE_ENDIAN__ cmpdi cr7,r5,0 @@ -230,3 +227,4 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) blr #endif EXPORT_SYMBOL(memcpy) +EXPORT_SYMBOL_KASAN(memcpy) diff --git a/arch/powerpc/lib/memcpy_power7.S b/arch/powerpc/lib/memcpy_power7.S index 89bfefcf7fcc..54f226333c94 100644 --- a/arch/powerpc/lib/memcpy_power7.S +++ b/arch/powerpc/lib/memcpy_power7.S @@ -1,17 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2012 * diff --git a/arch/powerpc/lib/pmem.c b/arch/powerpc/lib/pmem.c index 53c018762e1c..3c6c134224f8 100644 --- a/arch/powerpc/lib/pmem.c +++ b/arch/powerpc/lib/pmem.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright(c) 2017 IBM 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. */ #include <linux/string.h> diff --git a/arch/powerpc/lib/quad.S b/arch/powerpc/lib/quad.S index c4d12fae8724..da71760e50b5 100644 --- a/arch/powerpc/lib/quad.S +++ b/arch/powerpc/lib/quad.S @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Quadword loads and stores * for use in instruction emulation. * * Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.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. */ #include <asm/processor.h> diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 3d33fb509ef4..c077acb983a1 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Single-step support. * * Copyright (C) 2004 Paul Mackerras <paulus@au.ibm.com>, IBM - * - * 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. */ #include <linux/kernel.h> #include <linux/kprobes.h> diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S index 4b41970e9ed8..2752b1cc1d45 100644 --- a/arch/powerpc/lib/string.S +++ b/arch/powerpc/lib/string.S @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * String handling functions for PowerPC. * * Copyright (C) 1996 Paul Mackerras. - * - * 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. */ #include <asm/ppc_asm.h> #include <asm/export.h> diff --git a/arch/powerpc/lib/string_64.S b/arch/powerpc/lib/string_64.S index 56aac4c22025..507b18b1660e 100644 --- a/arch/powerpc/lib/string_64.S +++ b/arch/powerpc/lib/string_64.S @@ -1,17 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2012 * diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c index 9992c1ea7a1d..42347067739c 100644 --- a/arch/powerpc/lib/test_emulate_step.c +++ b/arch/powerpc/lib/test_emulate_step.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Simple sanity tests for instruction emulation infrastructure. * * Copyright IBM Corp. 2016 - * - * 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) "emulate_step_test: " fmt diff --git a/arch/powerpc/lib/vmx-helper.c b/arch/powerpc/lib/vmx-helper.c index 9f340494a8ac..62e6c3045252 100644 --- a/arch/powerpc/lib/vmx-helper.c +++ b/arch/powerpc/lib/vmx-helper.c @@ -1,17 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2011 * diff --git a/arch/powerpc/lib/xor_vmx.c b/arch/powerpc/lib/xor_vmx.c index 4df240aa5f81..54e61979e80e 100644 --- a/arch/powerpc/lib/xor_vmx.c +++ b/arch/powerpc/lib/xor_vmx.c @@ -1,17 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * 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. - * - * 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. * * Copyright (C) IBM Corporation, 2012 * diff --git a/arch/powerpc/lib/xor_vmx_glue.c b/arch/powerpc/lib/xor_vmx_glue.c index dab2b6bfcf36..80dba916c367 100644 --- a/arch/powerpc/lib/xor_vmx_glue.c +++ b/arch/powerpc/lib/xor_vmx_glue.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Altivec XOR operations * * Copyright 2017 IBM Corp. - * - * 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. */ #include <linux/preempt.h> |