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-rw-r--r--arch/nds32/Kconfig3
-rw-r--r--arch/nds32/include/asm/Kbuild2
-rw-r--r--arch/nds32/include/asm/elf.h3
-rw-r--r--arch/nds32/include/asm/io.h2
-rw-r--r--arch/nds32/include/asm/pgtable.h2
-rw-r--r--arch/nds32/include/asm/syscall.h69
-rw-r--r--arch/nds32/include/asm/tlb.h16
-rw-r--r--arch/nds32/include/asm/tlbflush.h1
-rw-r--r--arch/nds32/kernel/ftrace.c1
-rw-r--r--arch/nds32/kernel/head.S2
-rw-r--r--arch/nds32/mm/init.c12
11 files changed, 23 insertions, 90 deletions
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index addb7f5f5264..55559ca0efe4 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -60,9 +60,6 @@ config GENERIC_LOCKBREAK
def_bool y
depends on PREEMPT
-config RWSEM_GENERIC_SPINLOCK
- def_bool y
-
config TRACE_IRQFLAGS_SUPPORT
def_bool y
diff --git a/arch/nds32/include/asm/Kbuild b/arch/nds32/include/asm/Kbuild
index 668d3094921f..d8ce778d0640 100644
--- a/arch/nds32/include/asm/Kbuild
+++ b/arch/nds32/include/asm/Kbuild
@@ -31,13 +31,13 @@ generic-y += limits.h
generic-y += local.h
generic-y += local64.h
generic-y += mm-arch-hooks.h
+generic-y += mmiowb.h
generic-y += parport.h
generic-y += pci.h
generic-y += percpu.h
generic-y += preempt.h
generic-y += sections.h
generic-y += serial.h
-generic-y += sizes.h
generic-y += switch_to.h
generic-y += timex.h
generic-y += topology.h
diff --git a/arch/nds32/include/asm/elf.h b/arch/nds32/include/asm/elf.h
index 95f3ea253e4c..02250626b9f0 100644
--- a/arch/nds32/include/asm/elf.h
+++ b/arch/nds32/include/asm/elf.h
@@ -10,14 +10,13 @@
#include <asm/ptrace.h>
#include <asm/fpu.h>
+#include <linux/elf-em.h>
typedef unsigned long elf_greg_t;
typedef unsigned long elf_freg_t[3];
extern unsigned int elf_hwcap;
-#define EM_NDS32 167
-
#define R_NDS32_NONE 0
#define R_NDS32_16_RELA 19
#define R_NDS32_32_RELA 20
diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h
index 71cd226d6863..5ef8ae5ba833 100644
--- a/arch/nds32/include/asm/io.h
+++ b/arch/nds32/include/asm/io.h
@@ -55,8 +55,6 @@ static inline u32 __raw_readl(const volatile void __iomem *addr)
#define __iormb() rmb()
#define __iowmb() wmb()
-#define mmiowb() __asm__ __volatile__ ("msync all" : : : "memory");
-
/*
* {read,write}{b,w,l,q}_relaxed() are like the regular version, but
* are not guaranteed to provide ordering against spinlocks or memory
diff --git a/arch/nds32/include/asm/pgtable.h b/arch/nds32/include/asm/pgtable.h
index 9f52db930c00..ee59c1f9e4fc 100644
--- a/arch/nds32/include/asm/pgtable.h
+++ b/arch/nds32/include/asm/pgtable.h
@@ -6,7 +6,7 @@
#define __PAGETABLE_PMD_FOLDED 1
#include <asm-generic/4level-fixup.h>
-#include <asm-generic/sizes.h>
+#include <linux/sizes.h>
#include <asm/memory.h>
#include <asm/nds32.h>
diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h
index f7e5e86765fe..174b8571d362 100644
--- a/arch/nds32/include/asm/syscall.h
+++ b/arch/nds32/include/asm/syscall.h
@@ -5,6 +5,7 @@
#ifndef _ASM_NDS32_SYSCALL_H
#define _ASM_NDS32_SYSCALL_H 1
+#include <uapi/linux/audit.h>
#include <linux/err.h>
struct task_struct;
struct pt_regs;
@@ -108,81 +109,49 @@ void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
* syscall_get_arguments - extract system call parameter values
* @task: task of interest, must be blocked
* @regs: task_pt_regs() of @task
- * @i: argument index [0,5]
- * @n: number of arguments; n+i must be [1,6].
* @args: array filled with argument values
*
- * Fetches @n arguments to the system call starting with the @i'th argument
- * (from 0 through 5). Argument @i is stored in @args[0], and so on.
- * An arch inline version is probably optimal when @i and @n are constants.
+ * Fetches 6 arguments to the system call (from 0 through 5). The first
+ * argument is stored in @args[0], and so on.
*
* It's only valid to call this when @task is stopped for tracing on
* entry to a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- * It's invalid to call this with @i + @n > 6; we only support system calls
- * taking up to 6 arguments.
*/
#define SYSCALL_MAX_ARGS 6
void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
- unsigned int i, unsigned int n, unsigned long *args)
+ unsigned long *args)
{
- if (n == 0)
- return;
- if (i + n > SYSCALL_MAX_ARGS) {
- unsigned long *args_bad = args + SYSCALL_MAX_ARGS - i;
- unsigned int n_bad = n + i - SYSCALL_MAX_ARGS;
- pr_warning("%s called with max args %d, handling only %d\n",
- __func__, i + n, SYSCALL_MAX_ARGS);
- memset(args_bad, 0, n_bad * sizeof(args[0]));
- memset(args_bad, 0, n_bad * sizeof(args[0]));
- }
-
- if (i == 0) {
- args[0] = regs->orig_r0;
- args++;
- i++;
- n--;
- }
-
- memcpy(args, &regs->uregs[0] + i, n * sizeof(args[0]));
+ args[0] = regs->orig_r0;
+ args++;
+ memcpy(args, &regs->uregs[0] + 1, 5 * sizeof(args[0]));
}
/**
* syscall_set_arguments - change system call parameter value
* @task: task of interest, must be in system call entry tracing
* @regs: task_pt_regs() of @task
- * @i: argument index [0,5]
- * @n: number of arguments; n+i must be [1,6].
* @args: array of argument values to store
*
- * Changes @n arguments to the system call starting with the @i'th argument.
- * Argument @i gets value @args[0], and so on.
- * An arch inline version is probably optimal when @i and @n are constants.
+ * Changes 6 arguments to the system call. The first argument gets value
+ * @args[0], and so on.
*
* It's only valid to call this when @task is stopped for tracing on
* entry to a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- * It's invalid to call this with @i + @n > 6; we only support system calls
- * taking up to 6 arguments.
*/
void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
- unsigned int i, unsigned int n,
const unsigned long *args)
{
- if (n == 0)
- return;
-
- if (i + n > SYSCALL_MAX_ARGS) {
- pr_warn("%s called with max args %d, handling only %d\n",
- __func__, i + n, SYSCALL_MAX_ARGS);
- n = SYSCALL_MAX_ARGS - i;
- }
+ regs->orig_r0 = args[0];
+ args++;
- if (i == 0) {
- regs->orig_r0 = args[0];
- args++;
- i++;
- n--;
- }
+ memcpy(&regs->uregs[0] + 1, args, 5 * sizeof(args[0]));
+}
- memcpy(&regs->uregs[0] + i, args, n * sizeof(args[0]));
+static inline int
+syscall_get_arch(struct task_struct *task)
+{
+ return IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+ ? AUDIT_ARCH_NDS32BE : AUDIT_ARCH_NDS32;
}
+
#endif /* _ASM_NDS32_SYSCALL_H */
diff --git a/arch/nds32/include/asm/tlb.h b/arch/nds32/include/asm/tlb.h
index b35ae5eae3ab..d5ae571c8d30 100644
--- a/arch/nds32/include/asm/tlb.h
+++ b/arch/nds32/include/asm/tlb.h
@@ -4,22 +4,6 @@
#ifndef __ASMNDS32_TLB_H
#define __ASMNDS32_TLB_H
-#define tlb_start_vma(tlb,vma) \
- do { \
- if (!tlb->fullmm) \
- flush_cache_range(vma, vma->vm_start, vma->vm_end); \
- } while (0)
-
-#define tlb_end_vma(tlb,vma) \
- do { \
- if(!tlb->fullmm) \
- flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
- } while (0)
-
-#define __tlb_remove_tlb_entry(tlb, pte, addr) do { } while (0)
-
-#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
-
#include <asm-generic/tlb.h>
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
diff --git a/arch/nds32/include/asm/tlbflush.h b/arch/nds32/include/asm/tlbflush.h
index 9b411f401903..38ee769b18d8 100644
--- a/arch/nds32/include/asm/tlbflush.h
+++ b/arch/nds32/include/asm/tlbflush.h
@@ -42,6 +42,5 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
void update_mmu_cache(struct vm_area_struct *vma,
unsigned long address, pte_t * pte);
-void tlb_migrate_finish(struct mm_struct *mm);
#endif
diff --git a/arch/nds32/kernel/ftrace.c b/arch/nds32/kernel/ftrace.c
index 8a41372551ff..fd2a54b8cd57 100644
--- a/arch/nds32/kernel/ftrace.c
+++ b/arch/nds32/kernel/ftrace.c
@@ -7,7 +7,6 @@
#ifndef CONFIG_DYNAMIC_FTRACE
extern void (*ftrace_trace_function)(unsigned long, unsigned long,
struct ftrace_ops*, struct pt_regs*);
-extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
extern void ftrace_graph_caller(void);
noinline void __naked ftrace_stub(unsigned long ip, unsigned long parent_ip,
diff --git a/arch/nds32/kernel/head.S b/arch/nds32/kernel/head.S
index db64b78b1232..fcefb62606ca 100644
--- a/arch/nds32/kernel/head.S
+++ b/arch/nds32/kernel/head.S
@@ -7,7 +7,7 @@
#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/pgtable.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
#include <asm/thread_info.h>
#ifdef CONFIG_CPU_BIG_ENDIAN
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index 1d03633f89a9..1a4ab1b7525f 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -252,18 +252,6 @@ void __init mem_init(void)
return;
}
-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
-#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 __set_fixmap(enum fixed_addresses idx,
phys_addr_t phys, pgprot_t flags)
{
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-01 17:31:41 +0200