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-rw-r--r--arch/openrisc/include/asm/Kbuild6
-rw-r--r--arch/openrisc/include/asm/bitops.h1
-rw-r--r--arch/openrisc/include/asm/io.h4
-rw-r--r--arch/openrisc/include/asm/pgtable.h21
-rw-r--r--arch/openrisc/include/asm/processor.h1
-rw-r--r--arch/openrisc/include/asm/spinlock.h27
-rw-r--r--arch/openrisc/include/asm/spinlock_types.h7
-rw-r--r--arch/openrisc/include/asm/syscalls.h2
-rw-r--r--arch/openrisc/include/asm/thread_info.h7
-rw-r--r--arch/openrisc/include/asm/timex.h1
-rw-r--r--arch/openrisc/include/asm/uaccess.h42
11 files changed, 10 insertions, 109 deletions
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index ca5987e11053..c8c99b554ca4 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -1,9 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
generic-y += extable.h
generic-y += kvm_para.h
-generic-y += mcs_spinlock.h
-generic-y += qspinlock_types.h
-generic-y += qspinlock.h
+generic-y += parport.h
+generic-y += spinlock_types.h
+generic-y += spinlock.h
generic-y += qrwlock_types.h
generic-y += qrwlock.h
generic-y += user.h
diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h
index 7f1ca35213d8..d773ed938acb 100644
--- a/arch/openrisc/include/asm/bitops.h
+++ b/arch/openrisc/include/asm/bitops.h
@@ -30,7 +30,6 @@
#include <asm/bitops/fls.h>
#include <asm/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
-#include <asm-generic/bitops/find.h>
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h
index c298061c70a7..ee6043a03173 100644
--- a/arch/openrisc/include/asm/io.h
+++ b/arch/openrisc/include/asm/io.h
@@ -17,7 +17,7 @@
#include <linux/types.h>
/*
- * PCI: can we really do 0 here if we have no port IO?
+ * PCI: We do not use IO ports in OpenRISC
*/
#define IO_SPACE_LIMIT 0
@@ -31,7 +31,7 @@
void __iomem *ioremap(phys_addr_t offset, unsigned long size);
#define iounmap iounmap
-extern void iounmap(void __iomem *addr);
+extern void iounmap(volatile void __iomem *addr);
#include <asm-generic/io.h>
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index cdd657f80bfa..6477c17b3062 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -176,24 +176,6 @@ extern void paging_init(void);
__pgprot(_PAGE_ALL | _PAGE_SRE | _PAGE_SWE \
| _PAGE_SHARED | _PAGE_DIRTY | _PAGE_EXEC | _PAGE_CI)
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY_X
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY_X
-#define __P100 PAGE_READONLY
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY_X
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED_X
-#define __S100 PAGE_READONLY
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED
-#define __S111 PAGE_SHARED_X
-
/* zero page used for uninitialized stuff */
extern unsigned long empty_zero_page[2048];
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
@@ -361,6 +343,7 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
pmd_val(*pmdp) = _KERNPG_TABLE | (unsigned long) ptep;
}
+#define pmd_pfn(pmd) (pmd_val(pmd) >> PAGE_SHIFT)
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
static inline unsigned long pmd_page_vaddr(pmd_t pmd)
@@ -412,8 +395,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-#define kern_addr_valid(addr) (1)
-
typedef pte_t *pte_addr_t;
#endif /* __ASSEMBLY__ */
diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index aa1699c18add..ed9efb430afa 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -72,7 +72,6 @@ struct thread_struct {
void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
-void release_thread(struct task_struct *);
unsigned long __get_wchan(struct task_struct *p);
#define cpu_relax() barrier()
diff --git a/arch/openrisc/include/asm/spinlock.h b/arch/openrisc/include/asm/spinlock.h
deleted file mode 100644
index 264944a71535..000000000000
--- a/arch/openrisc/include/asm/spinlock.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * OpenRISC Linux
- *
- * Linux architectural port borrowing liberally from similar works of
- * others. All original copyrights apply as per the original source
- * declaration.
- *
- * OpenRISC implementation:
- * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
- * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- * et al.
- */
-
-#ifndef __ASM_OPENRISC_SPINLOCK_H
-#define __ASM_OPENRISC_SPINLOCK_H
-
-#include <asm/qspinlock.h>
-
-#include <asm/qrwlock.h>
-
-#define arch_spin_relax(lock) cpu_relax()
-#define arch_read_relax(lock) cpu_relax()
-#define arch_write_relax(lock) cpu_relax()
-
-
-#endif
diff --git a/arch/openrisc/include/asm/spinlock_types.h b/arch/openrisc/include/asm/spinlock_types.h
deleted file mode 100644
index 7c6fb1208c88..000000000000
--- a/arch/openrisc/include/asm/spinlock_types.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _ASM_OPENRISC_SPINLOCK_TYPES_H
-#define _ASM_OPENRISC_SPINLOCK_TYPES_H
-
-#include <asm/qspinlock_types.h>
-#include <asm/qrwlock_types.h>
-
-#endif /* _ASM_OPENRISC_SPINLOCK_TYPES_H */
diff --git a/arch/openrisc/include/asm/syscalls.h b/arch/openrisc/include/asm/syscalls.h
index 3a7eeae6f56a..aa1c7e98722e 100644
--- a/arch/openrisc/include/asm/syscalls.h
+++ b/arch/openrisc/include/asm/syscalls.h
@@ -22,9 +22,11 @@ asmlinkage long sys_or1k_atomic(unsigned long type, unsigned long *v1,
asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
void __user *parent_tid, void __user *child_tid, int tls);
+asmlinkage long __sys_clone3(struct clone_args __user *uargs, size_t size);
asmlinkage long __sys_fork(void);
#define sys_clone __sys_clone
+#define sys_clone3 __sys_clone3
#define sys_fork __sys_fork
#endif /* __ASM_OPENRISC_SYSCALLS_H */
diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h
index 659834ab87fa..4af3049c34c2 100644
--- a/arch/openrisc/include/asm/thread_info.h
+++ b/arch/openrisc/include/asm/thread_info.h
@@ -40,18 +40,12 @@
*/
#ifndef __ASSEMBLY__
-typedef unsigned long mm_segment_t;
-
struct thread_info {
struct task_struct *task; /* main task structure */
unsigned long flags; /* low level flags */
__u32 cpu; /* current CPU */
__s32 preempt_count; /* 0 => preemptable, <0 => BUG */
- mm_segment_t addr_limit; /* thread address space:
- 0-0x7FFFFFFF for user-thead
- 0-0xFFFFFFFF for kernel-thread
- */
__u8 supervisor_stack[0];
/* saved context data */
@@ -71,7 +65,6 @@ struct thread_info {
.flags = 0, \
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
- .addr_limit = KERNEL_DS, \
.ksp = 0, \
}
diff --git a/arch/openrisc/include/asm/timex.h b/arch/openrisc/include/asm/timex.h
index d52b4e536e3f..5487fa93dd9b 100644
--- a/arch/openrisc/include/asm/timex.h
+++ b/arch/openrisc/include/asm/timex.h
@@ -23,6 +23,7 @@ static inline cycles_t get_cycles(void)
{
return mfspr(SPR_TTCR);
}
+#define get_cycles get_cycles
/* This isn't really used any more */
#define CLOCK_TICK_RATE 1000
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index 120f5005461b..d6500a374e18 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -22,44 +22,7 @@
#include <linux/string.h>
#include <asm/page.h>
#include <asm/extable.h>
-
-/*
- * The fs value determines whether argument validity checking should be
- * performed or not. If get_fs() == USER_DS, checking is performed, with
- * get_fs() == KERNEL_DS, checking is bypassed.
- *
- * For historical reasons, these macros are grossly misnamed.
- */
-
-/* addr_limit is the maximum accessible address for the task. we misuse
- * the KERNEL_DS and USER_DS values to both assign and compare the
- * addr_limit values through the equally misnamed get/set_fs macros.
- * (see above)
- */
-
-#define KERNEL_DS (~0UL)
-
-#define USER_DS (TASK_SIZE)
-#define get_fs() (current_thread_info()->addr_limit)
-#define set_fs(x) (current_thread_info()->addr_limit = (x))
-
-#define uaccess_kernel() (get_fs() == KERNEL_DS)
-
-/* Ensure that the range from addr to addr+size is all within the process'
- * address space
- */
-static inline int __range_ok(unsigned long addr, unsigned long size)
-{
- const mm_segment_t fs = get_fs();
-
- return size <= fs && addr <= (fs - size);
-}
-
-#define access_ok(addr, size) \
-({ \
- __chk_user_ptr(addr); \
- __range_ok((unsigned long)(addr), (size)); \
-})
+#include <asm-generic/access_ok.h>
/*
* These are the main single-value transfer routines. They automatically
@@ -268,9 +231,6 @@ clear_user(void __user *addr, unsigned long size)
return size;
}
-#define user_addr_max() \
- (uaccess_kernel() ? ~0UL : TASK_SIZE)
-
extern long strncpy_from_user(char *dest, const char __user *src, long count);
extern __must_check long strnlen_user(const char __user *str, long n);

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