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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /arch/loongarch/include
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/loongarch/include')
-rw-r--r--arch/loongarch/include/asm/kexec.h3
-rw-r--r--arch/loongarch/include/asm/pgtable.h4
-rw-r--r--arch/loongarch/include/asm/uaccess.h3
3 files changed, 7 insertions, 3 deletions
diff --git a/arch/loongarch/include/asm/kexec.h b/arch/loongarch/include/asm/kexec.h
index 209fa43222e1..6be136e9f0a0 100644
--- a/arch/loongarch/include/asm/kexec.h
+++ b/arch/loongarch/include/asm/kexec.h
@@ -41,6 +41,8 @@ struct kimage_arch {
unsigned long systable_ptr;
};
+struct kimage;
+
#ifdef CONFIG_KEXEC_FILE
extern const struct kexec_file_ops kexec_efi_ops;
extern const struct kexec_file_ops kexec_elf_ops;
@@ -59,7 +61,6 @@ typedef void (*do_kexec_t)(unsigned long efi_boot,
unsigned long start_addr,
unsigned long first_ind_entry);
-struct kimage;
extern const unsigned char relocate_new_kernel[];
extern const size_t relocate_new_kernel_size;
extern void kexec_reboot(void);
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 2a0b63ae421f..223528c04d73 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -429,6 +429,8 @@ static inline pte_t pte_mkwrite_novma(pte_t pte)
static inline pte_t pte_wrprotect(pte_t pte)
{
+ if (pte_val(pte) & _PAGE_DIRTY)
+ pte_val(pte) |= _PAGE_MODIFIED;
pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_DIRTY);
return pte;
}
@@ -535,6 +537,8 @@ static inline pmd_t pmd_mkwrite_novma(pmd_t pmd)
static inline pmd_t pmd_wrprotect(pmd_t pmd)
{
+ if (pmd_val(pmd) & _PAGE_DIRTY)
+ pmd_val(pmd) |= _PAGE_MODIFIED;
pmd_val(pmd) &= ~(_PAGE_WRITE | _PAGE_DIRTY);
return pmd;
}
diff --git a/arch/loongarch/include/asm/uaccess.h b/arch/loongarch/include/asm/uaccess.h
index 438269313e78..428f373feabf 100644
--- a/arch/loongarch/include/asm/uaccess.h
+++ b/arch/loongarch/include/asm/uaccess.h
@@ -292,8 +292,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
return __copy_user((__force void *)to, from, n);
}
-#define INLINE_COPY_FROM_USER
-#define INLINE_COPY_TO_USER
+#define INLINE_COPY_USER
/*
* __clear_user: - Zero a block of memory in user space, with less checking.