Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/openrisc/mm/Makefile b/arch/openrisc/mm/Makefile
index a31b2a4..8a0e580 100644
--- a/arch/openrisc/mm/Makefile
+++ b/arch/openrisc/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for the linux openrisc-specific parts of the memory manager.
#
diff --git a/arch/openrisc/mm/cache.c b/arch/openrisc/mm/cache.c
index b747bf1..08f56af 100644
--- a/arch/openrisc/mm/cache.c
+++ b/arch/openrisc/mm/cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC cache.c
*
@@ -7,11 +8,6 @@
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2015 Jan Henrik Weinstock <jan.weinstock@rwth-aachen.de>
- *
- * 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/spr.h>
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index dc4dbaf..5d4d3a9 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC fault.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/mm.h>
@@ -213,7 +209,7 @@
/* User mode accesses just cause a SIGSEGV */
if (user_mode(regs)) {
- force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+ force_sig_fault(SIGSEGV, si_code, (void __user *)address);
return;
}
@@ -278,7 +274,7 @@
* Send a sigbus, regardless of whether we were in kernel
* or user mode.
*/
- force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+ force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
/* Kernel mode? Handle exceptions or die */
if (!user_mode(regs))
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index 6972d5d..1f87b52 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC idle.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/signal.h>
@@ -26,14 +22,12 @@
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/smp.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/blkdev.h> /* for initrd_* */
#include <linux/pagemap.h>
-#include <linux/memblock.h>
-#include <asm/segment.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/dma.h>
@@ -106,7 +100,10 @@
}
/* Alloc one page for holding PTE's... */
- pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
+ pte = memblock_alloc_raw(PAGE_SIZE, PAGE_SIZE);
+ if (!pte)
+ panic("%s: Failed to allocate page for PTEs\n",
+ __func__);
set_pmd(pme, __pmd(_KERNPG_TABLE + __pa(pte)));
/* Fill the newly allocated page with PTE'S */
@@ -213,7 +210,7 @@
memset((void *)empty_zero_page, 0, PAGE_SIZE);
/* this will put all low memory onto the freelists */
- free_all_bootmem();
+ memblock_free_all();
mem_init_print_info(NULL);
@@ -221,15 +218,3 @@
mem_init_done = 1;
return;
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c
index 2175e4b..8f8e97f 100644
--- a/arch/openrisc/mm/ioremap.c
+++ b/arch/openrisc/mm/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC ioremap.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/vmalloc.h>
@@ -38,8 +34,7 @@
* have to convert them into an offset in a page-aligned mapping, but the
* caller shouldn't need to know that small detail.
*/
-void __iomem *__ref
-__ioremap(phys_addr_t addr, unsigned long size, pgprot_t prot)
+void __iomem *__ref ioremap(phys_addr_t addr, unsigned long size)
{
phys_addr_t p;
unsigned long v;
@@ -70,7 +65,8 @@
fixmaps_used += (size >> PAGE_SHIFT);
}
- if (ioremap_page_range(v, v + size, p, prot)) {
+ if (ioremap_page_range(v, v + size, p,
+ __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI))) {
if (likely(mem_init_done))
vfree(area->addr);
else
@@ -80,7 +76,7 @@
return (void __iomem *)(offset + (char *)v);
}
-EXPORT_SYMBOL(__ioremap);
+EXPORT_SYMBOL(ioremap);
void iounmap(void *addr)
{
@@ -118,18 +114,18 @@
* the memblock infrastructure.
*/
-pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm,
- unsigned long address)
+pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm)
{
pte_t *pte;
if (likely(mem_init_done)) {
- pte = (pte_t *) __get_free_page(GFP_KERNEL);
+ pte = (pte_t *)get_zeroed_page(GFP_KERNEL);
} else {
- pte = (pte_t *) __va(memblock_alloc(PAGE_SIZE, PAGE_SIZE));
+ pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!pte)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
}
- if (pte)
- clear_page(pte);
return pte;
}
diff --git a/arch/openrisc/mm/tlb.c b/arch/openrisc/mm/tlb.c
index 6c253a2..dd4f200 100644
--- a/arch/openrisc/mm/tlb.c
+++ b/arch/openrisc/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC tlb.c
*
@@ -9,11 +10,6 @@
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
* Copyright (C) 2010-2011 Julius Baxter <julius.baxter@orsoc.se>
* 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>
@@ -26,7 +22,6 @@
#include <linux/mm.h>
#include <linux/init.h>
-#include <asm/segment.h>
#include <asm/tlbflush.h>
#include <asm/pgtable.h>
#include <asm/mmu_context.h>