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-rw-r--r--arch/loongarch/include/asm/pgalloc.h2
-rw-r--r--arch/loongarch/include/asm/pgtable.h7
-rw-r--r--arch/loongarch/include/asm/syscall.h15
-rw-r--r--arch/loongarch/kernel/efi-header.S4
-rw-r--r--arch/loongarch/kernel/head.S2
-rw-r--r--arch/loongarch/mm/pgtable.c9
6 files changed, 19 insertions, 20 deletions
diff --git a/arch/loongarch/include/asm/pgalloc.h b/arch/loongarch/include/asm/pgalloc.h
index b58f587f0f0a..1c63a9d9a6d3 100644
--- a/arch/loongarch/include/asm/pgalloc.h
+++ b/arch/loongarch/include/asm/pgalloc.h
@@ -69,7 +69,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
if (!ptdesc)
return NULL;
- if (!pagetable_pmd_ctor(ptdesc)) {
+ if (!pagetable_pmd_ctor(mm, ptdesc)) {
pagetable_free(ptdesc);
return NULL;
}
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index da346733a1da..a3f17914dbab 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -255,7 +255,6 @@ static inline void pmd_clear(pmd_t *pmdp)
#define pmd_page_vaddr(pmd) pmd_val(pmd)
-extern pmd_t mk_pmd(struct page *page, pgprot_t prot);
extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd);
#define pte_page(x) pfn_to_page(pte_pfn(x))
@@ -426,12 +425,6 @@ static inline unsigned long pte_accessible(struct mm_struct *mm, pte_t a)
return false;
}
-/*
- * 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, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
return __pte((pte_val(pte) & _PAGE_CHG_MASK) |
diff --git a/arch/loongarch/include/asm/syscall.h b/arch/loongarch/include/asm/syscall.h
index e286dc58476e..81d2733f7b94 100644
--- a/arch/loongarch/include/asm/syscall.h
+++ b/arch/loongarch/include/asm/syscall.h
@@ -26,6 +26,13 @@ static inline long syscall_get_nr(struct task_struct *task,
return regs->regs[11];
}
+static inline void syscall_set_nr(struct task_struct *task,
+ struct pt_regs *regs,
+ int nr)
+{
+ regs->regs[11] = nr;
+}
+
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
@@ -61,6 +68,14 @@ static inline void syscall_get_arguments(struct task_struct *task,
memcpy(&args[1], &regs->regs[5], 5 * sizeof(long));
}
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ regs->orig_a0 = args[0];
+ memcpy(&regs->regs[5], &args[1], 5 * sizeof(long));
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_LOONGARCH64;
diff --git a/arch/loongarch/kernel/efi-header.S b/arch/loongarch/kernel/efi-header.S
index 5f23b85d78ca..ba0bdbf86aa8 100644
--- a/arch/loongarch/kernel/efi-header.S
+++ b/arch/loongarch/kernel/efi-header.S
@@ -7,7 +7,7 @@
#include <linux/sizes.h>
.macro __EFI_PE_HEADER
- .long PE_MAGIC
+ .long IMAGE_NT_SIGNATURE
.Lcoff_header:
.short IMAGE_FILE_MACHINE_LOONGARCH64 /* Machine */
.short .Lsection_count /* NumberOfSections */
@@ -20,7 +20,7 @@
IMAGE_FILE_LINE_NUMS_STRIPPED /* Characteristics */
.Loptional_header:
- .short PE_OPT_MAGIC_PE32PLUS /* PE32+ format */
+ .short IMAGE_NT_OPTIONAL_HDR64_MAGIC /* PE32+ format */
.byte 0x02 /* MajorLinkerVersion */
.byte 0x14 /* MinorLinkerVersion */
.long __inittext_end - .Lefi_header_end /* SizeOfCode */
diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S
index 506a99a5bbc7..e3865e92a917 100644
--- a/arch/loongarch/kernel/head.S
+++ b/arch/loongarch/kernel/head.S
@@ -20,7 +20,7 @@
__HEAD
_head:
- .word MZ_MAGIC /* "MZ", MS-DOS header */
+ .word IMAGE_DOS_SIGNATURE /* "MZ", MS-DOS header */
.org 0x8
.dword _kernel_entry /* Kernel entry point (physical address) */
.dword _kernel_asize /* Kernel image effective size */
diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c
index 22a94bb3e6e8..352d9b2e02ab 100644
--- a/arch/loongarch/mm/pgtable.c
+++ b/arch/loongarch/mm/pgtable.c
@@ -135,15 +135,6 @@ void kernel_pte_init(void *addr)
} while (p != end);
}
-pmd_t mk_pmd(struct page *page, pgprot_t prot)
-{
- pmd_t pmd;
-
- pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot);
-
- return pmd;
-}
-
void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{