Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/openrisc/kernel/asm-offsets.c b/arch/openrisc/kernel/asm-offsets.c
index ddb7368..e435ae0 100644
--- a/arch/openrisc/kernel/asm-offsets.c
+++ b/arch/openrisc/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC asm-offsets.c
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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 used to generate definitions needed by
* assembly language modules.
*
diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c
index 159336a..4d5b8bd 100644
--- a/arch/openrisc/kernel/dma.c
+++ b/arch/openrisc/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC Linux
*
@@ -9,17 +10,13 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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.
- *
* DMA mapping callbacks...
* As alloc_coherent is the only DMA callback being used currently, that's
* the only thing implemented properly. The rest need looking into...
*/
#include <linux/dma-noncoherent.h>
+#include <linux/pagewalk.h>
#include <asm/cpuinfo.h>
#include <asm/spr_defs.h>
@@ -47,6 +44,10 @@
return 0;
}
+static const struct mm_walk_ops set_nocache_walk_ops = {
+ .pte_entry = page_set_nocache,
+};
+
static int
page_clear_nocache(pte_t *pte, unsigned long addr,
unsigned long next, struct mm_walk *walk)
@@ -62,6 +63,10 @@
return 0;
}
+static const struct mm_walk_ops clear_nocache_walk_ops = {
+ .pte_entry = page_clear_nocache,
+};
+
/*
* Alloc "coherent" memory, which for OpenRISC means simply uncached.
*
@@ -84,12 +89,8 @@
{
unsigned long va;
void *page;
- struct mm_walk walk = {
- .pte_entry = page_set_nocache,
- .mm = &init_mm
- };
- page = alloc_pages_exact(size, gfp);
+ page = alloc_pages_exact(size, gfp | __GFP_ZERO);
if (!page)
return NULL;
@@ -98,15 +99,14 @@
va = (unsigned long)page;
- if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0) {
- /*
- * We need to iterate through the pages, clearing the dcache for
- * them and setting the cache-inhibit bit.
- */
- if (walk_page_range(va, va + size, &walk)) {
- free_pages_exact(page, size);
- return NULL;
- }
+ /*
+ * We need to iterate through the pages, clearing the dcache for
+ * them and setting the cache-inhibit bit.
+ */
+ if (walk_page_range(&init_mm, va, va + size, &set_nocache_walk_ops,
+ NULL)) {
+ free_pages_exact(page, size);
+ return NULL;
}
return (void *)va;
@@ -117,15 +117,10 @@
dma_addr_t dma_handle, unsigned long attrs)
{
unsigned long va = (unsigned long)vaddr;
- struct mm_walk walk = {
- .pte_entry = page_clear_nocache,
- .mm = &init_mm
- };
- if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0) {
- /* walk_page_range shouldn't be able to fail here */
- WARN_ON(walk_page_range(va, va + size, &walk));
- }
+ /* walk_page_range shouldn't be able to fail here */
+ WARN_ON(walk_page_range(&init_mm, va, va + size,
+ &clear_nocache_walk_ops, NULL));
free_pages_exact(vaddr, size);
}
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index 0c826ad..e4a7857 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC entry.S
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2005 Gyorgy Jeney <nog@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/linkage.h>
@@ -240,7 +236,7 @@
* occured. in fact they never do. if you need them use
* values saved on stack (for SPR_EPC, SPR_ESR) or content
* of r4 (for SPR_EEAR). for details look at EXCEPTION_HANDLE()
- * in 'arch/or32/kernel/head.S'
+ * in 'arch/openrisc/kernel/head.S'
*/
/* =====================================================[ exceptions] === */
diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index 9fc6b60..b0dc974 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC head.S
*
@@ -8,11 +9,6 @@
* Modifications for the OpenRISC architecture:
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/linkage.h>
@@ -1728,7 +1724,7 @@
/*
* .data section should be page aligned
- * (look into arch/or32/kernel/vmlinux.lds)
+ * (look into arch/openrisc/kernel/vmlinux.lds.S)
*/
.section .data,"aw"
.align 8192
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index 5f9445e..c38fa86 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC irq.c
*
@@ -7,11 +8,6 @@
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/interrupt.h>
diff --git a/arch/openrisc/kernel/module.c b/arch/openrisc/kernel/module.c
index ef872ae..532013f 100644
--- a/arch/openrisc/kernel/module.c
+++ b/arch/openrisc/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC module.c
*
@@ -7,11 +8,6 @@
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/moduleloader.h>
diff --git a/arch/openrisc/kernel/or32_ksyms.c b/arch/openrisc/kernel/or32_ksyms.c
index d7260fd..7d6a62e 100644
--- a/arch/openrisc/kernel/or32_ksyms.c
+++ b/arch/openrisc/kernel/or32_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC or32_ksyms.c
*
@@ -8,11 +9,6 @@
* Modifications for the OpenRISC architecture:
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/export.h>
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 8739b6d..b06f84f 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC process.c
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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 file handles the architecture-dependent parts of process handling...
*/
diff --git a/arch/openrisc/kernel/prom.c b/arch/openrisc/kernel/prom.c
index 6a44340..19e6008 100644
--- a/arch/openrisc/kernel/prom.c
+++ b/arch/openrisc/kernel/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC prom.c
*
@@ -8,14 +9,8 @@
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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.
- *
* Architecture specific procedures for creating, accessing and
* interpreting the device tree.
- *
*/
#include <linux/init.h>
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index eb97a8e..6a5a91c 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC ptrace.c
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2005 Gyorgy Jeney <nog@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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>
@@ -30,7 +26,6 @@
#include <linux/elf.h>
#include <asm/thread_info.h>
-#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index 9d28ab1..d668f5b 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC setup.c
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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 file handles the architecture-dependent parts of initialization
*/
@@ -30,17 +26,15 @@
#include <linux/delay.h>
#include <linux/console.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/seq_file.h>
#include <linux/serial.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
#include <linux/of.h>
-#include <linux/memblock.h>
#include <linux/device.h>
#include <asm/sections.h>
-#include <asm/segment.h>
#include <asm/pgtable.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -158,9 +152,8 @@
{
u32 hwid;
struct device_node *cpun;
- struct device_node *cpus = of_find_node_by_path("/cpus");
- for_each_available_child_of_node(cpus, cpun) {
+ for_each_of_cpu_node(cpun) {
if (of_property_read_u32(cpun, "reg", &hwid))
continue;
if (hwid == cpu)
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 265f10f..4f07548 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC signal.c
*
@@ -8,11 +9,6 @@
* Modifications for the OpenRISC architecture:
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/sched.h>
@@ -50,7 +46,7 @@
/*
* Restore the regs from &sc->regs.
- * (sc is already checked for VERIFY_READ since the sigframe was
+ * (sc is already checked since the sigframe was
* checked in sys_sigreturn previously)
*/
err |= __copy_from_user(regs, sc->regs.gpr, 32 * sizeof(unsigned long));
@@ -83,7 +79,7 @@
if (((long)frame) & 3)
goto badframe;
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
@@ -99,7 +95,7 @@
return regs->gpr[11];
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -161,7 +157,7 @@
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
/* Create siginfo. */
diff --git a/arch/openrisc/kernel/sys_call_table.c b/arch/openrisc/kernel/sys_call_table.c
index e1f8ce8..3d18008 100644
--- a/arch/openrisc/kernel/sys_call_table.c
+++ b/arch/openrisc/kernel/sys_call_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC sys_call_table.c
*
@@ -7,11 +8,6 @@
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/syscalls.h>
diff --git a/arch/openrisc/kernel/time.c b/arch/openrisc/kernel/time.c
index 6baecea..b828660 100644
--- a/arch/openrisc/kernel/time.c
+++ b/arch/openrisc/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC time.c
*
@@ -7,11 +8,6 @@
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- * 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/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index d8981cb..932a8ec 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC traps.c
*
@@ -9,15 +10,9 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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.
- *
* Here we handle the break vectors not used by the system call
* mechanism, as well as some general stack/register dumping
* things.
- *
*/
#include <linux/init.h>
@@ -35,7 +30,6 @@
#include <linux/kallsyms.h>
#include <linux/uaccess.h>
-#include <asm/segment.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/unwinder.h>
@@ -250,7 +244,7 @@
asmlinkage void do_trap(struct pt_regs *regs, unsigned long address)
{
- force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)address, current);
+ force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)address);
regs->pc += 4;
}
@@ -259,7 +253,7 @@
{
if (user_mode(regs)) {
/* Send a SIGBUS */
- force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)address, current);
+ force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)address);
} else {
printk("KERNEL: Unaligned Access 0x%.8lx\n", address);
show_registers(regs);
@@ -272,7 +266,7 @@
{
if (user_mode(regs)) {
/* Send a SIGBUS */
- force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
+ force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
} else { /* Kernel mode */
printk("KERNEL: Bus error (SIGBUS) 0x%.8lx\n", address);
show_registers(regs);
@@ -377,7 +371,7 @@
if (get_user(value, lwa_addr)) {
if (user_mode(regs)) {
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return;
}
@@ -424,7 +418,7 @@
if (put_user(regs->gpr[rb], vaddr)) {
if (user_mode(regs)) {
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return;
}
@@ -467,7 +461,7 @@
if (user_mode(regs)) {
/* Send a SIGILL */
- force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)address, current);
+ force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)address);
} else { /* Kernel mode */
printk("KERNEL: Illegal instruction (SIGILL) 0x%.8lx\n",
address);
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index 953bdcd..2e2c72c 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC vmlinux.lds.S
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
- * 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.
- *
* ld script for OpenRISC architecture
*/