diff options
Diffstat (limited to 'arch/sparc')
61 files changed, 158 insertions, 393 deletions
diff --git a/arch/sparc/Kbuild b/arch/sparc/Kbuild index b4d0f570cc00..c9e574906a9b 100644 --- a/arch/sparc/Kbuild +++ b/arch/sparc/Kbuild @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # core part of the sparc kernel # diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 40f8f4f73fe8..26ab6f5bbaaf 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config 64BIT bool "64-bit kernel" if "$(ARCH)" = "sparc" default "$(ARCH)" = "sparc64" @@ -63,6 +64,7 @@ config SPARC64 select HAVE_KRETPROBES select HAVE_KPROBES select HAVE_RCU_TABLE_FREE if SMP + select HAVE_RCU_TABLE_NO_INVALIDATE if HAVE_RCU_TABLE_FREE select HAVE_MEMBLOCK_NODE_MAP select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_DYNAMIC_FTRACE @@ -91,6 +93,7 @@ config SPARC64 select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_PTE_SPECIAL select PCI_DOMAINS if PCI + select ARCH_HAS_GIGANTIC_PAGE config ARCH_DEFCONFIG string @@ -191,14 +194,6 @@ config NR_CPUS source "kernel/Kconfig.hz" -config RWSEM_GENERIC_SPINLOCK - bool - default y if SPARC32 - -config RWSEM_XCHGADD_ALGORITHM - bool - default y if SPARC64 - config GENERIC_HWEIGHT bool default y diff --git a/arch/sparc/boot/piggyback.c b/arch/sparc/boot/piggyback.c index bb7c95161d71..a7a38fb4ece0 100644 --- a/arch/sparc/boot/piggyback.c +++ b/arch/sparc/boot/piggyback.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Simple utility to make a single-image install kernel with initial ramdisk for Sparc tftpbooting without need to set up nfs. @@ -6,19 +7,7 @@ Pete Zaitcev <zaitcev@yahoo.com> endian fixes for cross-compiles, 2000. Copyright (C) 2011 Sam Ravnborg <sam@ravnborg.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. - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + */ #include <dirent.h> #include <stdlib.h> diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index a9b8b0b94a8d..57b474113168 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for AES encryption optimized for sparc64 crypto opcodes. * * This is based largely upon arch/x86/crypto/aesni-intel_glue.c diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 900d5c617e83..3823f9491a72 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for CAMELLIA encryption optimized for sparc64 crypto opcodes. * * Copyright (C) 2012 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c index 8aa664638c3c..1299073285a3 100644 --- a/arch/sparc/crypto/crc32c_glue.c +++ b/arch/sparc/crypto/crc32c_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for CRC32C optimized for sparc64 crypto opcodes. * * This is based largely upon arch/x86/crypto/crc32c-intel.c diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 4884315daff4..281448f72c90 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for DES encryption optimized for sparc64 crypto opcodes. * * Copyright (C) 2012 David S. Miller <davem@davemloft.net> @@ -201,18 +202,15 @@ static int des3_ede_set_key(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { struct des3_ede_sparc64_ctx *dctx = crypto_tfm_ctx(tfm); - const u32 *K = (const u32 *)key; u32 *flags = &tfm->crt_flags; u64 k1[DES_EXPKEY_WORDS / 2]; u64 k2[DES_EXPKEY_WORDS / 2]; u64 k3[DES_EXPKEY_WORDS / 2]; + int err; - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } + err = __des3_verify_key(flags, key); + if (unlikely(err)) + return err; des_sparc64_key_expand((const u32 *)key, k1); key += DES_KEY_SIZE; diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c index bc9cc26efa3d..14f6c15be6ae 100644 --- a/arch/sparc/crypto/md5_glue.c +++ b/arch/sparc/crypto/md5_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for MD5 hashing optimized for sparc64 crypto opcodes. * * This is based largely upon arch/x86/crypto/sha1_ssse3_glue.c diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c index 4d6d7faf728e..7c1666304441 100644 --- a/arch/sparc/crypto/sha1_glue.c +++ b/arch/sparc/crypto/sha1_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for SHA1 hashing optimized for sparc64 crypto opcodes. * * This is based largely upon arch/x86/crypto/sha1_ssse3_glue.c diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c index 54c4de2db188..f403ce9ba6e4 100644 --- a/arch/sparc/crypto/sha256_glue.c +++ b/arch/sparc/crypto/sha256_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for SHA256 hashing optimized for sparc64 crypto opcodes. * * This is based largely upon crypto/sha256_generic.c diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c index 4c55e97a4408..a3b532e43c07 100644 --- a/arch/sparc/crypto/sha512_glue.c +++ b/arch/sparc/crypto/sha512_glue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Glue code for SHA512 hashing optimized for sparc64 crypto opcodes. * * This is based largely upon crypto/sha512_generic.c diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index a22cfd5c0ee8..b6212164847b 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # User exported sparc header files generated-y += syscall_table_32.h @@ -15,10 +16,10 @@ generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h +generic-y += mmiowb.h generic-y += module.h generic-y += msi.h generic-y += preempt.h -generic-y += rwsem.h generic-y += serial.h generic-y += trace_clock.h generic-y += word-at-a-time.h diff --git a/arch/sparc/include/asm/adi_64.h b/arch/sparc/include/asm/adi_64.h index 85f7a763af85..4301c6fd87f7 100644 --- a/arch/sparc/include/asm/adi_64.h +++ b/arch/sparc/include/asm/adi_64.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* adi_64.h: ADI related data structures * * Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved. * Author: Khalid Aziz (khalid.aziz@oracle.com) - * - * This work is licensed under the terms of the GNU GPL, version 2. */ #ifndef __ASM_SPARC64_ADI_H #define __ASM_SPARC64_ADI_H diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h index bb3f0b0c6754..a797d5e86406 100644 --- a/arch/sparc/include/asm/device.h +++ b/arch/sparc/include/asm/device.h @@ -1,7 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Arch specific extensions to struct device - * - * This file is released under the GPLv2 */ #ifndef _ASM_SPARC_DEVICE_H #define _ASM_SPARC_DEVICE_H diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index b162c23ae8c2..688911051b44 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -396,8 +396,6 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, } } -#define mmiowb() - #ifdef __KERNEL__ /* On sparc64 we have the whole physical IO address space accessible diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 1393a8ac596b..22500c3be7a9 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -231,36 +231,6 @@ extern unsigned long _PAGE_ALL_SZ_BITS; extern struct page *mem_map_zero; #define ZERO_PAGE(vaddr) (mem_map_zero) -/* This macro must be updated when the size of struct page grows above 80 - * or reduces below 64. - * The idea that compiler optimizes out switch() statement, and only - * leaves clrx instructions - */ -#define mm_zero_struct_page(pp) do { \ - unsigned long *_pp = (void *)(pp); \ - \ - /* Check that struct page is either 64, 72, or 80 bytes */ \ - BUILD_BUG_ON(sizeof(struct page) & 7); \ - BUILD_BUG_ON(sizeof(struct page) < 64); \ - BUILD_BUG_ON(sizeof(struct page) > 80); \ - \ - switch (sizeof(struct page)) { \ - case 80: \ - _pp[9] = 0; /* fallthrough */ \ - case 72: \ - _pp[8] = 0; /* fallthrough */ \ - default: \ - _pp[7] = 0; \ - _pp[6] = 0; \ - _pp[5] = 0; \ - _pp[4] = 0; \ - _pp[3] = 0; \ - _pp[2] = 0; \ - _pp[1] = 0; \ - _pp[0] = 0; \ - } \ -} while (0) - /* PFNs are real physical page numbers. However, mem_map only begins to record * per-page information starting at pfn_base. This is to handle systems where * the first physical page in the machine is at some huge physical address, diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index 1902db27ff4b..587edb8b5a65 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <linux/of.h> /* linux/of.h gets to determine #include ordering */ #ifndef _SPARC_PROM_H #define _SPARC_PROM_H @@ -11,11 +12,6 @@ * * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. * Updates for SPARC by David S. Miller - * - * 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> #include <linux/of_pdt.h> diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index 4d075434e816..62a5a78804c4 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -127,10 +127,11 @@ static inline void syscall_set_arguments(struct task_struct *task, regs->u_regs[UREG_I0 + i] = args[i]; } -static inline int syscall_get_arch(void) +static inline int syscall_get_arch(struct task_struct *task) { #if defined(CONFIG_SPARC64) && defined(CONFIG_COMPAT) - return in_compat_syscall() ? AUDIT_ARCH_SPARC : AUDIT_ARCH_SPARC64; + return test_tsk_thread_flag(task, TIF_32BIT) + ? AUDIT_ARCH_SPARC : AUDIT_ARCH_SPARC64; #elif defined(CONFIG_SPARC64) return AUDIT_ARCH_SPARC64; #else diff --git a/arch/sparc/include/asm/tlb_32.h b/arch/sparc/include/asm/tlb_32.h index 343cea19e573..5cd28a8793e3 100644 --- a/arch/sparc/include/asm/tlb_32.h +++ b/arch/sparc/include/asm/tlb_32.h @@ -2,24 +2,6 @@ #ifndef _SPARC_TLB_H #define _SPARC_TLB_H -#define tlb_start_vma(tlb, vma) \ -do { \ - flush_cache_range(vma, vma->vm_start, vma->vm_end); \ -} while (0) - -#define tlb_end_vma(tlb, vma) \ -do { \ - flush_tlb_range(vma, vma->vm_start, vma->vm_end); \ -} while (0) - -#define __tlb_remove_tlb_entry(tlb, pte, address) \ - do { } while (0) - -#define tlb_flush(tlb) \ -do { \ - flush_tlb_mm((tlb)->mm); \ -} while (0) - #include <asm-generic/tlb.h> #endif /* _SPARC_TLB_H */ diff --git a/arch/sparc/include/asm/uprobes.h b/arch/sparc/include/asm/uprobes.h index 36196c17aff8..79938fb94016 100644 --- a/arch/sparc/include/asm/uprobes.h +++ b/arch/sparc/include/asm/uprobes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _ASM_UPROBES_H #define _ASM_UPROBES_H /* @@ -5,19 +6,6 @@ * * Copyright (C) 2013 Oracle, Inc. * - * 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, see <http://www.gnu.org/licenses/>. - * * Authors: * Jose E. Marchesi <jose.marchesi@oracle.com> * Eric Saint Etienne <eric.saint.etienne@oracle.com> diff --git a/arch/sparc/include/asm/xor_32.h b/arch/sparc/include/asm/xor_32.h index 44bfa0787f3f..3e5af37e4b9c 100644 --- a/arch/sparc/include/asm/xor_32.h +++ b/arch/sparc/include/asm/xor_32.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm/xor.h * * Optimized RAID-5 checksumming functions for 32-bit Sparc. - * - * 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, or (at your option) - * any later version. - * - * You should have received a copy of the GNU General Public License - * (for example /usr/src/linux/COPYING); if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h index 50c882856031..16169f3edcd5 100644 --- a/arch/sparc/include/asm/xor_64.h +++ b/arch/sparc/include/asm/xor_64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm/xor.h * @@ -7,15 +8,6 @@ * * Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz) * Copyright (C) 2006 David S. Miller <davem@davemloft.net> - * - * 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, or (at your option) - * any later version. - * - * You should have received a copy of the GNU General Public License - * (for example /usr/src/linux/COPYING); if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <asm/spitfire.h> diff --git a/arch/sparc/include/uapi/asm/Kbuild b/arch/sparc/include/uapi/asm/Kbuild index 2bd5b392277c..353b70b1998f 100644 --- a/arch/sparc/include/uapi/asm/Kbuild +++ b/arch/sparc/include/uapi/asm/Kbuild @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 generated-y += unistd_32.h generated-y += unistd_64.h diff --git a/arch/sparc/include/uapi/asm/oradax.h b/arch/sparc/include/uapi/asm/oradax.h index 4f6676fe4bcc..64c67f2ea33f 100644 --- a/arch/sparc/include/uapi/asm/oradax.h +++ b/arch/sparc/include/uapi/asm/oradax.h @@ -1,18 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2017, Oracle and/or its affiliates. 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 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, see <http://www.gnu.org/licenses/>. */ /* diff --git a/arch/sparc/include/uapi/asm/sockios.h b/arch/sparc/include/uapi/asm/sockios.h deleted file mode 100644 index 18a3ec14a847..000000000000 --- a/arch/sparc/include/uapi/asm/sockios.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _ASM_SPARC_SOCKIOS_H -#define _ASM_SPARC_SOCKIOS_H - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ -#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ - -#endif /* !(_ASM_SPARC_SOCKIOS_H) */ - diff --git a/arch/sparc/kernel/adi_64.c b/arch/sparc/kernel/adi_64.c index d0a2ac975b42..ce332942de2d 100644 --- a/arch/sparc/kernel/adi_64.c +++ b/arch/sparc/kernel/adi_64.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* adi_64.c: support for ADI (Application Data Integrity) feature on * sparc m7 and newer processors. This feature is also known as * SSM (Silicon Secured Memory). * * Copyright (C) 2016 Oracle and/or its affiliates. All rights reserved. * Author: Khalid Aziz (khalid.aziz@oracle.com) - * - * This work is licensed under the terms of the GNU GPL, version 2. */ #include <linux/init.h> #include <linux/slab.h> diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 61fe1b951ba3..6ff43df740e0 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* chmc.c: Driver for UltraSPARC-III memory controller. * * Copyright (C) 2001, 2007, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index d1d52822603d..1cb62bfeaa1f 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -194,8 +194,7 @@ static struct cpuinfo_tree *build_cpuinfo_tree(void) n = enumerate_cpuinfo_nodes(tmp_level); - new_tree = kzalloc(sizeof(struct cpuinfo_tree) + - (sizeof(struct cpuinfo_node) * n), GFP_ATOMIC); + new_tree = kzalloc(struct_size(new_tree, nodes, n), GFP_ATOMIC); if (!new_tree) return NULL; diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index f87265afb175..bbf59b3b4af8 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* ds.c: Domain Services driver for Logical Domains * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> @@ -876,7 +877,7 @@ void ldom_power_off(void) static void ds_conn_reset(struct ds_info *dp) { - printk(KERN_ERR "ds-%llu: ds_conn_reset() from %pf\n", + printk(KERN_ERR "ds-%llu: ds_conn_reset() from %ps\n", dp->id, __builtin_return_address(0)); } diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S index e4e5b832fcb6..9b3f74706cfb 100644 --- a/arch/sparc/kernel/helpers.S +++ b/arch/sparc/kernel/helpers.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ .align 32 .globl __flushw_user .type __flushw_user,#function diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 519f5ba7ed7e..a6292f8ed180 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 9a26b442f820..8e645ddac58e 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -356,6 +356,8 @@ static int get_vdev_port_node_info(struct mdesc_handle *md, u64 node, node_info->vdev_port.id = *idp; node_info->vdev_port.name = kstrdup_const(name, GFP_KERNEL); + if (!node_info->vdev_port.name) + return -1; node_info->vdev_port.parent_cfg_hdl = *parent_cfg_hdlp; return 0; diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 8babbeb30adf..060fff95a305 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* Pseudo NMI support on sparc64 systems. * * Copyright (C) 2009 David S. Miller <davem@davemloft.net> diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index b186b7f0f6c4..b32cc5610712 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/string.h> #include <linux/kernel.h> #include <linux/of.h> diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index eb978c77c76a..c0886b400dad 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* pcr.c: Generic sparc64 performance counter infrastructure. * * Copyright (C) 2009 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 6de7c684c29f..a58ae9c42803 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -891,6 +891,10 @@ static int sparc_perf_event_set_period(struct perf_event *event, s64 period = hwc->sample_period; int ret = 0; + /* The period may have been changed by PERF_EVENT_IOC_PERIOD */ + if (unlikely(period != hwc->last_period)) + left = period - (hwc->last_period - left); + if (unlikely(left <= -period)) { left = period; local64_set(&hwc->period_left, left); diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 869b16c96157..ec244d1022ce 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Procedures for creating, accessing and interpreting the device tree. * @@ -8,11 +9,6 @@ * {engebret|bergner}@us.ibm.com * * Adapted for sparc32 by David S. Miller davem@davemloft.net - * - * 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/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index c50ff1fee0e6..f883a50fa333 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Procedures for creating, accessing and interpreting the device tree. * @@ -8,11 +9,6 @@ * {engebret|bergner}@us.ibm.com * * Adapted for sparc64 by David S. Miller davem@davemloft.net - * - * 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/memblock.h> diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 79cc0d1a477d..c9ec70888a39 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* prom_common.c: OF device tree support common code. * * Paul Mackerras August 1996. @@ -7,11 +8,6 @@ * {engebret|bergner}@us.ibm.com * * Adapted for sparc by David S. Miller davem@davemloft.net - * - * 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/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index e1d965e90e16..c9d41a96468f 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* ptrace.c: Sparc process tracing support. * * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/stacktrace.c b/arch/sparc/kernel/stacktrace.c index dd654e651500..d8eb1d149f9f 100644 --- a/arch/sparc/kernel/stacktrace.c +++ b/arch/sparc/kernel/stacktrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/sched.h> #include <linux/sched/debug.h> #include <linux/stacktrace.h> diff --git a/arch/sparc/kernel/sun4v_mcd.S b/arch/sparc/kernel/sun4v_mcd.S index d6c69ebca110..a419b7318406 100644 --- a/arch/sparc/kernel/sun4v_mcd.S +++ b/arch/sparc/kernel/sun4v_mcd.S @@ -1,10 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* sun4v_mcd.S: Sun4v memory corruption detected precise exception handler * * Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved. * Authors: Bob Picco <bob.picco@oracle.com>, * Khalid Aziz <khalid.aziz@oracle.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. */ .text .align 32 diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index a1dd24307b00..e047480b1605 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -473,3 +473,9 @@ 425 common io_uring_setup sys_io_uring_setup 426 common io_uring_enter sys_io_uring_enter 427 common io_uring_register sys_io_uring_register +428 common open_tree sys_open_tree +429 common move_mount sys_move_mount +430 common fsopen sys_fsopen +431 common fsconfig sys_fsconfig +432 common fsmount sys_fsmount +433 common fspick sys_fspick diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 3eb77943ce12..89fb05f90609 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -653,19 +653,23 @@ static int sparc64_cpufreq_notifier(struct notifier_block *nb, unsigned long val void *data) { struct cpufreq_freqs *freq = data; - unsigned int cpu = freq->cpu; - struct freq_table *ft = &per_cpu(sparc64_freq_table, cpu); + unsigned int cpu; + struct freq_table *ft; - if (!ft->ref_freq) { - ft->ref_freq = freq->old; - ft->clock_tick_ref = cpu_data(cpu).clock_tick; - } - if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) || - (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) { - cpu_data(cpu).clock_tick = - cpufreq_scale(ft->clock_tick_ref, - ft->ref_freq, - freq->new); + for_each_cpu(cpu, freq->policy->cpus) { + ft = &per_cpu(sparc64_freq_table, cpu); + + if (!ft->ref_freq) { + ft->ref_freq = freq->old; + ft->clock_tick_ref = cpu_data(cpu).clock_tick; + } + + if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) || + (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) { + cpu_data(cpu).clock_tick = + cpufreq_scale(ft->clock_tick_ref, ft->ref_freq, + freq->new); + } } return 0; diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 0cd02a64a451..04aa588d5dd1 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* arch/sparc64/kernel/traps.c * * Copyright (C) 1995,1997,2008,2009,2012 David S. Miller (davem@davemloft.net) diff --git a/arch/sparc/kernel/uprobes.c b/arch/sparc/kernel/uprobes.c index d852ae56ddc1..1a0600206bf5 100644 --- a/arch/sparc/kernel/uprobes.c +++ b/arch/sparc/kernel/uprobes.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * User-space Probes (UProbes) for sparc * * Copyright (C) 2013 Oracle Inc. * - * 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, see <http://www.gnu.org/licenses/>. - * * Authors: * Jose E. Marchesi <jose.marchesi@oracle.com> * Eric Saint Etienne <eric.saint.etienne@oracle.com> @@ -29,7 +17,6 @@ #include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <linux/uaccess.h> /* Compute the address of the breakpoint instruction and return it. * diff --git a/arch/sparc/lib/divdi3.S b/arch/sparc/lib/divdi3.S index a2b5a976be33..a7389409d9fa 100644 --- a/arch/sparc/lib/divdi3.S +++ b/arch/sparc/lib/divdi3.S @@ -1,21 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of GNU CC. -GNU CC 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, or (at your option) -any later version. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + */ #include <asm/export.h> .text diff --git a/arch/sparc/lib/muldi3.S b/arch/sparc/lib/muldi3.S index 17a0f49aef3c..53054dee66d6 100644 --- a/arch/sparc/lib/muldi3.S +++ b/arch/sparc/lib/muldi3.S @@ -1,21 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of GNU CC. -GNU CC 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, or (at your option) -any later version. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + */ #include <asm/export.h> .text diff --git a/arch/sparc/lib/udivdi3.S b/arch/sparc/lib/udivdi3.S index 24e0a355e2e8..7a1117ec7696 100644 --- a/arch/sparc/lib/udivdi3.S +++ b/arch/sparc/lib/udivdi3.S @@ -1,21 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of GNU CC. -GNU CC 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, or (at your option) -any later version. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + */ .text .align 4 diff --git a/arch/sparc/math-emu/Makefile b/arch/sparc/math-emu/Makefile index 825dbee94d84..aea80597929b 100644 --- a/arch/sparc/math-emu/Makefile +++ b/arch/sparc/math-emu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Makefile for the FPU instruction emulation. # diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index aee6dba83d0e..1e770a517d4a 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -245,8 +245,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, return nr; } -int get_user_pages_fast(unsigned long start, int nr_pages, int write, - struct page **pages) +int get_user_pages_fast(unsigned long start, int nr_pages, + unsigned int gup_flags, struct page **pages) { struct mm_struct *mm = current->mm; unsigned long addr, len, end; @@ -303,7 +303,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, next = pgd_addr_end(addr, end); if (pgd_none(pgd)) goto slow; - if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + if (!gup_pud_range(pgd, addr, next, gup_flags & FOLL_WRITE, + pages, &nr)) goto slow; } while (pgdp++, addr = next, addr != end); @@ -324,7 +325,7 @@ slow: ret = get_user_pages_unlocked(start, (end - start) >> PAGE_SHIFT, pages, - write ? FOLL_WRITE : 0); + gup_flags); /* Have to be a bit careful with return values */ if (nr > 0) { diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index a8ff29821bdb..046ab116cc8c 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -294,19 +294,6 @@ void __init mem_init(void) mem_init_print_info(NULL); } -void free_initmem (void) -{ - free_initmem_default(POISON_FREE_INITMEM); -} - -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM, - "initrd"); -} -#endif - void sparc_flush_page_to_ram(struct page *page) { unsigned long vaddr = (unsigned long)page_address(page); diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index f2d70ff7a284..4b099dd7a767 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2269,19 +2269,6 @@ static unsigned long last_valid_pfn; static void sun4u_pgprot_init(void); static void sun4v_pgprot_init(void); -static phys_addr_t __init available_memory(void) -{ - phys_addr_t available = 0ULL; - phys_addr_t pa_start, pa_end; - u64 i; - - for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE, &pa_start, - &pa_end, NULL) - available = available + (pa_end - pa_start); - - return available; -} - #define _PAGE_CACHE_4U (_PAGE_CP_4U | _PAGE_CV_4U) #define _PAGE_CACHE_4V (_PAGE_CP_4V | _PAGE_CV_4V) #define __DIRTY_BITS_4U (_PAGE_MODIFIED_4U | _PAGE_WRITE_4U | _PAGE_W_4U) @@ -2295,33 +2282,8 @@ static phys_addr_t __init available_memory(void) */ static void __init reduce_memory(phys_addr_t limit_ram) { - phys_addr_t avail_ram = available_memory(); - phys_addr_t pa_start, pa_end; - u64 i; - - if (limit_ram >= avail_ram) - return; - - for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE, &pa_start, - &pa_end, NULL) { - phys_addr_t region_size = pa_end - pa_start; - phys_addr_t clip_start = pa_start; - - avail_ram = avail_ram - region_size; - /* Are we consuming too much? */ - if (avail_ram < limit_ram) { - phys_addr_t give_back = limit_ram - avail_ram; - - region_size = region_size - give_back; - clip_start = clip_start + give_back; - } - - memblock_remove(clip_start, region_size); - - if (avail_ram <= limit_ram) - break; - i = 0UL; - } + limit_ram += memblock_reserved_size(); + memblock_enforce_memory_limit(limit_ram); } void __init paging_init(void) @@ -2610,14 +2572,6 @@ void free_initmem(void) } } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM, - "initrd"); -} -#endif - pgprot_t PAGE_KERNEL __read_mostly; EXPORT_SYMBOL(PAGE_KERNEL); diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c index e8d5d73ca40d..71ac353032b6 100644 --- a/arch/sparc/mm/iommu.c +++ b/arch/sparc/mm/iommu.c @@ -175,16 +175,37 @@ static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte) } } -static u32 iommu_get_one(struct device *dev, struct page *page, int npages) +static dma_addr_t __sbus_iommu_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t len, bool per_page_flush) { struct iommu_struct *iommu = dev->archdata.iommu; - int ioptex; - iopte_t *iopte, *iopte0; + phys_addr_t paddr = page_to_phys(page) + offset; + unsigned long off = paddr & ~PAGE_MASK; + unsigned long npages = (off + len + PAGE_SIZE - 1) >> PAGE_SHIFT; + unsigned long pfn = __phys_to_pfn(paddr); unsigned int busa, busa0; - int i; + iopte_t *iopte, *iopte0; + int ioptex, i; + + /* XXX So what is maxphys for us and how do drivers know it? */ + if (!len || len > 256 * 1024) + return DMA_MAPPING_ERROR; + + /* + * We expect unmapped highmem pages to be not in the cache. + * XXX Is this a good assumption? + * XXX What if someone else unmaps it here and races us? + */ + if (per_page_flush && !PageHighMem(page)) { + unsigned long vaddr, p; + + vaddr = (unsigned long)page_address(page) + offset; + for (p = vaddr & PAGE_MASK; p < vaddr + len; p += PAGE_SIZE) + flush_page_for_dma(p); + } /* page color = pfn of page */ - ioptex = bit_map_string_get(&iommu->usemap, npages, page_to_pfn(page)); + ioptex = bit_map_string_get(&iommu->usemap, npages, pfn); if (ioptex < 0) panic("iommu out"); busa0 = iommu->start + (ioptex << PAGE_SHIFT); @@ -193,29 +214,15 @@ static u32 iommu_get_one(struct device *dev, struct page *page, int npages) busa = busa0; iopte = iopte0; for (i = 0; i < npages; i++) { - iopte_val(*iopte) = MKIOPTE(page_to_pfn(page), IOPERM); + iopte_val(*iopte) = MKIOPTE(pfn, IOPERM); iommu_invalidate_page(iommu->regs, busa); busa += PAGE_SIZE; iopte++; - page++; + pfn++; } iommu_flush_iotlb(iopte0, npages); - - return busa0; -} - -static dma_addr_t __sbus_iommu_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t len) -{ - void *vaddr = page_address(page) + offset; - unsigned long off = (unsigned long)vaddr & ~PAGE_MASK; - unsigned long npages = (off + len + PAGE_SIZE - 1) >> PAGE_SHIFT; - - /* XXX So what is maxphys for us and how do drivers know it? */ - if (!len || len > 256 * 1024) - return DMA_MAPPING_ERROR; - return iommu_get_one(dev, virt_to_page(vaddr), npages) + off; + return busa0 + off; } static dma_addr_t sbus_iommu_map_page_gflush(struct device *dev, @@ -223,81 +230,58 @@ static dma_addr_t sbus_iommu_map_page_gflush(struct device *dev, enum dma_data_direction dir, unsigned long attrs) { flush_page_for_dma(0); - return __sbus_iommu_map_page(dev, page, offset, len); + return __sbus_iommu_map_page(dev, page, offset, len, false); } static dma_addr_t sbus_iommu_map_page_pflush(struct device *dev, struct page *page, unsigned long offset, size_t len, enum dma_data_direction dir, unsigned long attrs) { - void *vaddr = page_address(page) + offset; - unsigned long p = ((unsigned long)vaddr) & PAGE_MASK; - - while (p < (unsigned long)vaddr + len) { - flush_page_for_dma(p); - p += PAGE_SIZE; - } - - return __sbus_iommu_map_page(dev, page, offset, len); + return __sbus_iommu_map_page(dev, page, offset, len, true); } -static int sbus_iommu_map_sg_gflush(struct device *dev, struct scatterlist *sgl, - int nents, enum dma_data_direction dir, unsigned long attrs) +static int __sbus_iommu_map_sg(struct device *dev, struct scatterlist *sgl, + int nents, enum dma_data_direction dir, unsigned long attrs, + bool per_page_flush) { struct scatterlist *sg; - int i, n; - - flush_page_for_dma(0); + int j; - for_each_sg(sgl, sg, nents, i) { - n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT; - sg->dma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset; + for_each_sg(sgl, sg, nents, j) { + sg->dma_address =__sbus_iommu_map_page(dev, sg_page(sg), + sg->offset, sg->length, per_page_flush); + if (sg->dma_address == DMA_MAPPING_ERROR) + return 0; sg->dma_length = sg->length; } return nents; } -static int sbus_iommu_map_sg_pflush(struct device *dev, struct scatterlist *sgl, +static int sbus_iommu_map_sg_gflush(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir, unsigned long attrs) { - unsigned long page, oldpage = 0; - struct scatterlist *sg; - int i, j, n; - - for_each_sg(sgl, sg, nents, j) { - n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT; - - /* - * We expect unmapped highmem pages to be not in the cache. - * XXX Is this a good assumption? - * XXX What if someone else unmaps it here and races us? - */ - if ((page = (unsigned long) page_address(sg_page(sg))) != 0) { - for (i = 0; i < n; i++) { - if (page != oldpage) { /* Already flushed? */ - flush_page_for_dma(page); - oldpage = page; - } - page += PAGE_SIZE; - } - } - - sg->dma_address = iommu_get_one(dev, sg_page(sg), n) + sg->offset; - sg->dma_length = sg->length; - } + flush_page_for_dma(0); + return __sbus_iommu_map_sg(dev, sgl, nents, dir, attrs, false); +} - return nents; +static int sbus_iommu_map_sg_pflush(struct device *dev, struct scatterlist *sgl, + int nents, enum dma_data_direction dir, unsigned long attrs) +{ + return __sbus_iommu_map_sg(dev, sgl, nents, dir, attrs, true); } -static void iommu_release_one(struct device *dev, u32 busa, int npages) +static void sbus_iommu_unmap_page(struct device *dev, dma_addr_t dma_addr, + size_t len, enum dma_data_direction dir, unsigned long attrs) { struct iommu_struct *iommu = dev->archdata.iommu; - int ioptex; - int i; + unsigned int busa = dma_addr & PAGE_MASK; + unsigned long off = dma_addr & ~PAGE_MASK; + unsigned int npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT; + unsigned int ioptex = (busa - iommu->start) >> PAGE_SHIFT; + unsigned int i; BUG_ON(busa < iommu->start); - ioptex = (busa - iommu->start) >> PAGE_SHIFT; for (i = 0; i < npages; i++) { iopte_val(iommu->page_table[ioptex + i]) = 0; iommu_invalidate_page(iommu->regs, busa); @@ -306,25 +290,15 @@ static void iommu_release_one(struct device *dev, u32 busa, int npages) bit_map_clear(&iommu->usemap, ioptex, npages); } -static void sbus_iommu_unmap_page(struct device *dev, dma_addr_t dma_addr, - size_t len, enum dma_data_direction dir, unsigned long attrs) -{ - unsigned long off = dma_addr & ~PAGE_MASK; - int npages; - - npages = (off + len + PAGE_SIZE-1) >> PAGE_SHIFT; - iommu_release_one(dev, dma_addr & PAGE_MASK, npages); -} - static void sbus_iommu_unmap_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir, unsigned long attrs) { struct scatterlist *sg; - int i, n; + int i; for_each_sg(sgl, sg, nents, i) { - n = (sg->length + sg->offset + PAGE_SIZE-1) >> PAGE_SHIFT; - iommu_release_one(dev, sg->dma_address & PAGE_MASK, n); + sbus_iommu_unmap_page(dev, sg->dma_address, sg->length, dir, + attrs); sg->dma_address = 0x21212121; } } diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index d245f89d1395..d220b6848746 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -587,7 +587,7 @@ xcall_flush_tlb_kernel_range: /* 44 insns */ sub %g7, %g1, %g3 srlx %g3, 18, %g2 brnz,pn %g2, 2f - add %g2, 1, %g2 + sethi %hi(PAGE_SIZE), %g2 sub %g3, %g2, %g3 or %g1, 0x20, %g1 ! Nucleus 1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP @@ -751,7 +751,7 @@ __cheetah_xcall_flush_tlb_kernel_range: /* 44 insns */ sub %g7, %g1, %g3 srlx %g3, 18, %g2 brnz,pn %g2, 2f - add %g2, 1, %g2 + sethi %hi(PAGE_SIZE), %g2 sub %g3, %g2, %g3 or %g1, 0x20, %g1 ! Nucleus 1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP diff --git a/arch/sparc/net/Makefile b/arch/sparc/net/Makefile index d32aac3a25b8..806267de3bdf 100644 --- a/arch/sparc/net/Makefile +++ b/arch/sparc/net/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Arch-specific network modules # diff --git a/arch/sparc/oprofile/Makefile b/arch/sparc/oprofile/Makefile index e9feca1ca28b..fe906e403d3a 100644 --- a/arch/sparc/oprofile/Makefile +++ b/arch/sparc/oprofile/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_OPROFILE) += oprofile.o DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ diff --git a/arch/sparc/power/Makefile b/arch/sparc/power/Makefile index 3201ace0ddbd..d8f75e7cb05f 100644 --- a/arch/sparc/power/Makefile +++ b/arch/sparc/power/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # Makefile for Sparc-specific hibernate files. obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 74e97f77e23b..5a9e4e1f9f81 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Building vDSO images for sparc. # @@ -68,7 +69,7 @@ CFLAGS_REMOVE_vdso-note.o = -pg CFLAGS_REMOVE_vclock_gettime.o = -pg $(obj)/%.so: OBJCOPYFLAGS := -S -$(obj)/%.so: $(obj)/%.so.dbg +$(obj)/%.so: $(obj)/%.so.dbg FORCE $(call if_changed,objcopy) CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds) diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c index 55662c3b4513..fc5bdd14de76 100644 --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -1,6 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2006 Andi Kleen, SUSE Labs. - * Subject to the GNU Public License, v.2 * * Fast user context implementation of clock_gettime, gettimeofday, and time. * diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index 154fe8adc090..9961b0f81693 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -1,7 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Set up the VMAs to tell the VM about the vDSO. * Copyright 2007 Andi Kleen, SUSE Labs. - * Subject to the GPL, v.2 */ /* |