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-rw-r--r--arch/nios2/include/asm/entry.h4
-rw-r--r--arch/nios2/include/asm/page.h4
-rw-r--r--arch/nios2/include/asm/pgalloc.h7
-rw-r--r--arch/nios2/include/asm/pgtable.h24
-rw-r--r--arch/nios2/include/asm/processor.h4
-rw-r--r--arch/nios2/include/asm/ptrace.h4
-rw-r--r--arch/nios2/include/asm/registers.h4
-rw-r--r--arch/nios2/include/asm/setup.h4
-rw-r--r--arch/nios2/include/asm/syscall.h16
-rw-r--r--arch/nios2/include/asm/syscalls.h1
-rw-r--r--arch/nios2/include/asm/thread_info.h4
-rw-r--r--arch/nios2/include/asm/traps.h2
-rw-r--r--arch/nios2/include/asm/uaccess.h8
-rw-r--r--arch/nios2/include/asm/unistd.h2
-rw-r--r--arch/nios2/include/uapi/asm/ptrace.h4
15 files changed, 57 insertions, 35 deletions
diff --git a/arch/nios2/include/asm/entry.h b/arch/nios2/include/asm/entry.h
index bafb7b2ca59f..cb25ed56450a 100644
--- a/arch/nios2/include/asm/entry.h
+++ b/arch/nios2/include/asm/entry.h
@@ -10,7 +10,7 @@
#ifndef _ASM_NIOS2_ENTRY_H
#define _ASM_NIOS2_ENTRY_H
-#ifdef __ASSEMBLY__
+#ifdef __ASSEMBLER__
#include <asm/processor.h>
#include <asm/registers.h>
@@ -117,5 +117,5 @@
addi sp, sp, SWITCH_STACK_SIZE
.endm
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _ASM_NIOS2_ENTRY_H */
diff --git a/arch/nios2/include/asm/page.h b/arch/nios2/include/asm/page.h
index 2897ec1b74f6..00a51623d38a 100644
--- a/arch/nios2/include/asm/page.h
+++ b/arch/nios2/include/asm/page.h
@@ -26,7 +26,7 @@
#define PAGE_OFFSET \
(CONFIG_NIOS2_MEM_BASE + CONFIG_NIOS2_KERNEL_REGION_BASE)
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
/*
* This gives the physical RAM offset.
@@ -90,6 +90,6 @@ extern struct page *mem_map;
#include <asm-generic/getorder.h>
-#endif /* !__ASSEMBLY__ */
+#endif /* !__ASSEMBLER__ */
#endif /* _ASM_NIOS2_PAGE_H */
diff --git a/arch/nios2/include/asm/pgalloc.h b/arch/nios2/include/asm/pgalloc.h
index ce6bb8e74271..db122b093a8b 100644
--- a/arch/nios2/include/asm/pgalloc.h
+++ b/arch/nios2/include/asm/pgalloc.h
@@ -28,10 +28,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
extern pgd_t *pgd_alloc(struct mm_struct *mm);
-#define __pte_free_tlb(tlb, pte, addr) \
- do { \
- pagetable_pte_dtor(page_ptdesc(pte)); \
- tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \
- } while (0)
+#define __pte_free_tlb(tlb, pte, addr) \
+ tlb_remove_ptdesc((tlb), page_ptdesc(pte))
#endif /* _ASM_NIOS2_PGALLOC_H */
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index eab87c6beacb..844dce55569f 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -221,12 +221,6 @@ static inline void pte_clear(struct mm_struct *mm,
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
*/
-#define mk_pte(page, prot) (pfn_pte(page_to_pfn(page), prot))
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
#define pmd_phys(pmd) virt_to_phys((void *)pmd_val(pmd))
#define pmd_pfn(pmd) (pmd_phys(pmd) >> PAGE_SHIFT)
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
@@ -265,7 +259,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
#define __swp_entry_to_pte(swp) ((pte_t) { (swp).val })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
@@ -291,4 +285,20 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma,
#define update_mmu_cache(vma, addr, ptep) \
update_mmu_cache_range(NULL, vma, addr, ptep, 1)
+static inline int pte_same(pte_t pte_a, pte_t pte_b);
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+static inline int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty)
+{
+ if (!pte_same(*ptep, entry))
+ set_ptes(vma->vm_mm, address, ptep, entry, 1);
+ /*
+ * update_mmu_cache will unconditionally execute, handling both
+ * the case that the PTE changed and the spurious fault case.
+ */
+ return true;
+}
+
#endif /* _ASM_NIOS2_PGTABLE_H */
diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h
index eb44130364a9..d9521c3c2df9 100644
--- a/arch/nios2/include/asm/processor.h
+++ b/arch/nios2/include/asm/processor.h
@@ -36,7 +36,7 @@
/* Kuser helpers is mapped to this user space address */
#define KUSER_BASE 0x1000
#define KUSER_SIZE (PAGE_SIZE)
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
# define TASK_SIZE 0x7FFF0000UL
# define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
@@ -72,6 +72,6 @@ extern unsigned long __get_wchan(struct task_struct *p);
#define cpu_relax() barrier()
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _ASM_NIOS2_PROCESSOR_H */
diff --git a/arch/nios2/include/asm/ptrace.h b/arch/nios2/include/asm/ptrace.h
index 9da34c3022a2..96cbcd40c7ce 100644
--- a/arch/nios2/include/asm/ptrace.h
+++ b/arch/nios2/include/asm/ptrace.h
@@ -18,7 +18,7 @@
/* This struct defines the way the registers are stored on the
stack during a system call. */
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
struct pt_regs {
unsigned long r8; /* r8-r15 Caller-saved GP registers */
unsigned long r9;
@@ -78,5 +78,5 @@ extern void show_regs(struct pt_regs *);
int do_syscall_trace_enter(void);
void do_syscall_trace_exit(void);
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _ASM_NIOS2_PTRACE_H */
diff --git a/arch/nios2/include/asm/registers.h b/arch/nios2/include/asm/registers.h
index 95b67dd16f81..165dab26221f 100644
--- a/arch/nios2/include/asm/registers.h
+++ b/arch/nios2/include/asm/registers.h
@@ -6,7 +6,7 @@
#ifndef _ASM_NIOS2_REGISTERS_H
#define _ASM_NIOS2_REGISTERS_H
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#include <asm/cpuinfo.h>
#endif
@@ -44,7 +44,7 @@
/* tlbmisc register bits */
#define TLBMISC_PID_SHIFT 4
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#define TLBMISC_PID_MASK ((1UL << cpuinfo.tlb_pid_num_bits) - 1)
#endif
#define TLBMISC_WAY_MASK 0xf
diff --git a/arch/nios2/include/asm/setup.h b/arch/nios2/include/asm/setup.h
index 908a1526d1bd..6d3f26a71cb5 100644
--- a/arch/nios2/include/asm/setup.h
+++ b/arch/nios2/include/asm/setup.h
@@ -8,7 +8,7 @@
#include <asm-generic/setup.h>
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#ifdef __KERNEL__
extern char exception_handler_hook[];
@@ -18,6 +18,6 @@ extern char fast_handler_end[];
extern void pagetable_init(void);
#endif/* __KERNEL__ */
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _ASM_NIOS2_SETUP_H */
diff --git a/arch/nios2/include/asm/syscall.h b/arch/nios2/include/asm/syscall.h
index fff52205fb65..8e3eb1d689bb 100644
--- a/arch/nios2/include/asm/syscall.h
+++ b/arch/nios2/include/asm/syscall.h
@@ -15,6 +15,11 @@ static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
return regs->r2;
}
+static inline void syscall_set_nr(struct task_struct *task, struct pt_regs *regs, int nr)
+{
+ regs->r2 = nr;
+}
+
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
@@ -58,6 +63,17 @@ static inline void syscall_get_arguments(struct task_struct *task,
*args = regs->r9;
}
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs, const unsigned long *args)
+{
+ regs->r4 = *args++;
+ regs->r5 = *args++;
+ regs->r6 = *args++;
+ regs->r7 = *args++;
+ regs->r8 = *args++;
+ regs->r9 = *args;
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_NIOS2;
diff --git a/arch/nios2/include/asm/syscalls.h b/arch/nios2/include/asm/syscalls.h
index b4d4ed3bf9c8..0e214b0a0ac8 100644
--- a/arch/nios2/include/asm/syscalls.h
+++ b/arch/nios2/include/asm/syscalls.h
@@ -7,6 +7,7 @@
int sys_cacheflush(unsigned long addr, unsigned long len,
unsigned int op);
+asmlinkage long __sys_clone3(struct clone_args __user *uargs, size_t size);
#include <asm-generic/syscalls.h>
diff --git a/arch/nios2/include/asm/thread_info.h b/arch/nios2/include/asm/thread_info.h
index 5abac9893b32..83df79286d62 100644
--- a/arch/nios2/include/asm/thread_info.h
+++ b/arch/nios2/include/asm/thread_info.h
@@ -24,7 +24,7 @@
#define THREAD_SIZE_ORDER 1
#define THREAD_SIZE 8192 /* 2 * PAGE_SIZE */
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
/*
* low level task data that entry.S needs immediate access to
@@ -61,7 +61,7 @@ static inline struct thread_info *current_thread_info(void)
return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
}
-#endif /* !__ASSEMBLY__ */
+#endif /* !__ASSEMBLER__ */
/*
* thread information flags
diff --git a/arch/nios2/include/asm/traps.h b/arch/nios2/include/asm/traps.h
index afd77bef01c6..133a3dedbc3e 100644
--- a/arch/nios2/include/asm/traps.h
+++ b/arch/nios2/include/asm/traps.h
@@ -12,7 +12,7 @@
#define TRAP_ID_SYSCALL 0
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr);
void do_page_fault(struct pt_regs *regs, unsigned long cause,
unsigned long address);
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index b8299082adbe..6ccc9a232c23 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -172,15 +172,15 @@ do { \
#define __put_user(x, ptr) \
({ \
- __auto_type __pu_ptr = (ptr); \
- typeof(*__pu_ptr) __pu_val = (typeof(*__pu_ptr))(x); \
+ auto __pu_ptr = (ptr); \
+ auto __pu_val = (typeof(*__pu_ptr))(x); \
__put_user_common(__pu_val, __pu_ptr); \
})
#define put_user(x, ptr) \
({ \
- __auto_type __pu_ptr = (ptr); \
- typeof(*__pu_ptr) __pu_val = (typeof(*__pu_ptr))(x); \
+ auto __pu_ptr = (ptr); \
+ auto __pu_val = (typeof(*__pu_ptr))(x); \
access_ok(__pu_ptr, sizeof(*__pu_ptr)) ? \
__put_user_common(__pu_val, __pu_ptr) : \
-EFAULT; \
diff --git a/arch/nios2/include/asm/unistd.h b/arch/nios2/include/asm/unistd.h
index 1146e56473c5..213f6de3cf7b 100644
--- a/arch/nios2/include/asm/unistd.h
+++ b/arch/nios2/include/asm/unistd.h
@@ -7,6 +7,4 @@
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SET_GET_RLIMIT
-#define __ARCH_BROKEN_SYS_CLONE3
-
#endif
diff --git a/arch/nios2/include/uapi/asm/ptrace.h b/arch/nios2/include/uapi/asm/ptrace.h
index 2b91dbe5bcfe..1298db9f0fc9 100644
--- a/arch/nios2/include/uapi/asm/ptrace.h
+++ b/arch/nios2/include/uapi/asm/ptrace.h
@@ -13,7 +13,7 @@
#ifndef _UAPI_ASM_NIOS2_PTRACE_H
#define _UAPI_ASM_NIOS2_PTRACE_H
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#include <linux/types.h>
@@ -80,5 +80,5 @@ struct user_pt_regs {
__u32 regs[49];
};
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* _UAPI_ASM_NIOS2_PTRACE_H */