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-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/include/asm/pgtable.h51
-rw-r--r--arch/x86/include/asm/pgtable_types.h5
-rw-r--r--arch/x86/include/asm/tlbflush.h5
-rw-r--r--arch/x86/kernel/cpu/sgx/encl.c8
-rw-r--r--arch/x86/kernel/cpu/sgx/encl.h2
-rw-r--r--arch/x86/mm/pat/memtype.c1
-rw-r--r--arch/x86/mm/pgprot.c2
8 files changed, 10 insertions, 66 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 08e511657f05..58d890fe2100 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -99,7 +99,6 @@ config X86
select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_PREEMPT_LAZY
- select ARCH_HAS_PTE_DEVMAP if X86_64
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_HW_PTE_YOUNG
select ARCH_HAS_NONLEAF_PMD_YOUNG if PGTABLE_LEVELS > 2
@@ -124,6 +123,7 @@ config X86
select ARCH_SUPPORTS_ACPI
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_DEBUG_PAGEALLOC
+ select ARCH_SUPPORTS_HUGETLBFS
select ARCH_SUPPORTS_PAGE_TABLE_CHECK if X86_64
select ARCH_SUPPORTS_NUMA_BALANCING if X86_64
select ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP if NR_CPUS <= 4096
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 97954c936c54..e33df3da6980 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -301,16 +301,15 @@ static inline bool pmd_leaf(pmd_t pte)
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-/* NOTE: when predicate huge page, consider also pmd_devmap, or use pmd_leaf */
static inline int pmd_trans_huge(pmd_t pmd)
{
- return (pmd_val(pmd) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;
+ return (pmd_val(pmd) & _PAGE_PSE) == _PAGE_PSE;
}
#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
static inline int pud_trans_huge(pud_t pud)
{
- return (pud_val(pud) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;
+ return (pud_val(pud) & _PAGE_PSE) == _PAGE_PSE;
}
#endif
@@ -320,24 +319,6 @@ static inline int has_transparent_hugepage(void)
return boot_cpu_has(X86_FEATURE_PSE);
}
-#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP
-static inline int pmd_devmap(pmd_t pmd)
-{
- return !!(pmd_val(pmd) & _PAGE_DEVMAP);
-}
-
-#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
-static inline int pud_devmap(pud_t pud)
-{
- return !!(pud_val(pud) & _PAGE_DEVMAP);
-}
-#else
-static inline int pud_devmap(pud_t pud)
-{
- return 0;
-}
-#endif
-
#ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP
static inline bool pmd_special(pmd_t pmd)
{
@@ -361,12 +342,6 @@ static inline pud_t pud_mkspecial(pud_t pud)
return pud_set_flags(pud, _PAGE_SPECIAL);
}
#endif /* CONFIG_ARCH_SUPPORTS_PUD_PFNMAP */
-
-static inline int pgd_devmap(pgd_t pgd)
-{
- return 0;
-}
-#endif
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
static inline pte_t pte_set_flags(pte_t pte, pteval_t set)
@@ -527,11 +502,6 @@ static inline pte_t pte_mkspecial(pte_t pte)
return pte_set_flags(pte, _PAGE_SPECIAL);
}
-static inline pte_t pte_mkdevmap(pte_t pte)
-{
- return pte_set_flags(pte, _PAGE_SPECIAL|_PAGE_DEVMAP);
-}
-
/* See comments above mksaveddirty_shift() */
static inline pmd_t pmd_mksaveddirty(pmd_t pmd)
{
@@ -603,11 +573,6 @@ static inline pmd_t pmd_mkwrite_shstk(pmd_t pmd)
return pmd_set_flags(pmd, _PAGE_DIRTY);
}
-static inline pmd_t pmd_mkdevmap(pmd_t pmd)
-{
- return pmd_set_flags(pmd, _PAGE_DEVMAP);
-}
-
static inline pmd_t pmd_mkhuge(pmd_t pmd)
{
return pmd_set_flags(pmd, _PAGE_PSE);
@@ -673,11 +638,6 @@ static inline pud_t pud_mkdirty(pud_t pud)
return pud_mksaveddirty(pud);
}
-static inline pud_t pud_mkdevmap(pud_t pud)
-{
- return pud_set_flags(pud, _PAGE_DEVMAP);
-}
-
static inline pud_t pud_mkhuge(pud_t pud)
{
return pud_set_flags(pud, _PAGE_PSE);
@@ -1008,13 +968,6 @@ static inline int pte_present(pte_t a)
return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
}
-#ifdef CONFIG_ARCH_HAS_PTE_DEVMAP
-static inline int pte_devmap(pte_t a)
-{
- return (pte_flags(a) & _PAGE_DEVMAP) == _PAGE_DEVMAP;
-}
-#endif
-
#define pte_accessible pte_accessible
static inline bool pte_accessible(struct mm_struct *mm, pte_t a)
{
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index a5731fb1e9dd..2ec250ba467e 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -34,7 +34,6 @@
#define _PAGE_BIT_UFFD_WP _PAGE_BIT_SOFTW2 /* userfaultfd wrprotected */
#define _PAGE_BIT_SOFT_DIRTY _PAGE_BIT_SOFTW3 /* software dirty tracking */
#define _PAGE_BIT_KERNEL_4K _PAGE_BIT_SOFTW3 /* page must not be converted to large */
-#define _PAGE_BIT_DEVMAP _PAGE_BIT_SOFTW4
#ifdef CONFIG_X86_64
#define _PAGE_BIT_SAVED_DIRTY _PAGE_BIT_SOFTW5 /* Saved Dirty bit (leaf) */
@@ -121,11 +120,9 @@
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX)
-#define _PAGE_DEVMAP (_AT(u64, 1) << _PAGE_BIT_DEVMAP)
#define _PAGE_SOFTW4 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW4)
#else
#define _PAGE_NX (_AT(pteval_t, 0))
-#define _PAGE_DEVMAP (_AT(pteval_t, 0))
#define _PAGE_SOFTW4 (_AT(pteval_t, 0))
#endif
@@ -154,7 +151,7 @@
#define _COMMON_PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \
_PAGE_SPECIAL | _PAGE_ACCESSED | \
_PAGE_DIRTY_BITS | _PAGE_SOFT_DIRTY | \
- _PAGE_DEVMAP | _PAGE_CC | _PAGE_UFFD_WP)
+ _PAGE_CC | _PAGE_UFFD_WP)
#define _PAGE_CHG_MASK (_COMMON_PAGE_CHG_MASK | _PAGE_PAT)
#define _HPAGE_CHG_MASK (_COMMON_PAGE_CHG_MASK | _PAGE_PSE | _PAGE_PAT_LARGE)
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index e9b81876ebe4..00daedfefc1b 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -356,11 +356,6 @@ static inline void arch_tlbbatch_add_pending(struct arch_tlbflush_unmap_batch *b
mmu_notifier_arch_invalidate_secondary_tlbs(mm, 0, -1UL);
}
-static inline void arch_flush_tlb_batched_pending(struct mm_struct *mm)
-{
- flush_tlb_mm(mm);
-}
-
extern void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch);
static inline bool pte_flags_need_flush(unsigned long oldflags,
diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
index 279148e72459..308dbbae6c6e 100644
--- a/arch/x86/kernel/cpu/sgx/encl.c
+++ b/arch/x86/kernel/cpu/sgx/encl.c
@@ -279,7 +279,7 @@ static struct sgx_encl_page *__sgx_encl_load_page(struct sgx_encl *encl,
static struct sgx_encl_page *sgx_encl_load_page_in_vma(struct sgx_encl *encl,
unsigned long addr,
- unsigned long vm_flags)
+ vm_flags_t vm_flags)
{
unsigned long vm_prot_bits = vm_flags & VM_ACCESS_FLAGS;
struct sgx_encl_page *entry;
@@ -520,9 +520,9 @@ static void sgx_vma_open(struct vm_area_struct *vma)
* Return: 0 on success, -EACCES otherwise
*/
int sgx_encl_may_map(struct sgx_encl *encl, unsigned long start,
- unsigned long end, unsigned long vm_flags)
+ unsigned long end, vm_flags_t vm_flags)
{
- unsigned long vm_prot_bits = vm_flags & VM_ACCESS_FLAGS;
+ vm_flags_t vm_prot_bits = vm_flags & VM_ACCESS_FLAGS;
struct sgx_encl_page *page;
unsigned long count = 0;
int ret = 0;
@@ -605,7 +605,7 @@ static int sgx_encl_debug_write(struct sgx_encl *encl, struct sgx_encl_page *pag
*/
static struct sgx_encl_page *sgx_encl_reserve_page(struct sgx_encl *encl,
unsigned long addr,
- unsigned long vm_flags)
+ vm_flags_t vm_flags)
{
struct sgx_encl_page *entry;
diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
index f94ff14c9486..8ff47f6652b9 100644
--- a/arch/x86/kernel/cpu/sgx/encl.h
+++ b/arch/x86/kernel/cpu/sgx/encl.h
@@ -101,7 +101,7 @@ static inline int sgx_encl_find(struct mm_struct *mm, unsigned long addr,
}
int sgx_encl_may_map(struct sgx_encl *encl, unsigned long start,
- unsigned long end, unsigned long vm_flags);
+ unsigned long end, vm_flags_t vm_flags);
bool current_is_ksgxd(void);
void sgx_encl_release(struct kref *ref);
diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c
index 2e7923844afe..c09284302dd3 100644
--- a/arch/x86/mm/pat/memtype.c
+++ b/arch/x86/mm/pat/memtype.c
@@ -36,7 +36,6 @@
#include <linux/debugfs.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
-#include <linux/pfn_t.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mm.h>
diff --git a/arch/x86/mm/pgprot.c b/arch/x86/mm/pgprot.c
index c84bd9540b16..dc1afd5c839d 100644
--- a/arch/x86/mm/pgprot.c
+++ b/arch/x86/mm/pgprot.c
@@ -32,7 +32,7 @@ void add_encrypt_protection_map(void)
protection_map[i] = pgprot_encrypted(protection_map[i]);
}
-pgprot_t vm_get_page_prot(unsigned long vm_flags)
+pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
{
unsigned long val = pgprot_val(protection_map[vm_flags &
(VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]);
generated by cgit (git 2.34.1) at 2025-08-02 22:56:42 +0000