summaryrefslogtreecommitdiff
path: root/arch/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-4k.h6
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-64k.h7
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h53
-rw-r--r--arch/powerpc/include/asm/book3s/64/pkeys.h2
-rw-r--r--arch/powerpc/include/asm/book3s/64/radix.h14
-rw-r--r--arch/powerpc/include/asm/mman.h2
-rw-r--r--arch/powerpc/include/asm/pkeys.h4
-rw-r--r--arch/powerpc/kvm/book3s_hv_uvmem.c2
-rw-r--r--arch/powerpc/mm/book3s64/hash_hugepage.c2
-rw-r--r--arch/powerpc/mm/book3s64/hash_pgtable.c3
-rw-r--r--arch/powerpc/mm/book3s64/hugetlbpage.c2
-rw-r--r--arch/powerpc/mm/book3s64/pgtable.c12
-rw-r--r--arch/powerpc/mm/book3s64/radix_pgtable.c5
-rw-r--r--arch/powerpc/mm/pgtable.c2
-rw-r--r--arch/powerpc/platforms/pseries/cmm.c2
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c2
17 files changed, 23 insertions, 98 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 514d0e92b336..93402a1d9c9f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -147,7 +147,6 @@ config PPC
select ARCH_HAS_PMEM_API
select ARCH_HAS_PREEMPT_LAZY
select ARCH_HAS_PTDUMP
- select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64
select ARCH_HAS_SET_MEMORY
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index aa90a048f319..7132392fa7cd 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -168,12 +168,6 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm,
extern int hash__has_transparent_hugepage(void);
#endif
-static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd)
-{
- BUG();
- return pmd;
-}
-
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_HASH_4K_H */
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index 0bf6fd0bf42a..0fb5b7da9478 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -259,7 +259,7 @@ static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array,
*/
static inline int hash__pmd_trans_huge(pmd_t pmd)
{
- return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP)) ==
+ return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE)) ==
(_PAGE_PTE | H_PAGE_THP_HUGE));
}
@@ -281,11 +281,6 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm,
extern int hash__has_transparent_hugepage(void);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
-static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd)
-{
- return __pmd(pmd_val(pmd) | (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP));
-}
-
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_HASH_64K_H */
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index a2ddcbb3fcb9..c19800365315 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -88,7 +88,6 @@
#define _PAGE_SOFT_DIRTY _RPAGE_SW3 /* software: software dirty tracking */
#define _PAGE_SPECIAL _RPAGE_SW2 /* software: special page */
-#define _PAGE_DEVMAP _RPAGE_SW1 /* software: ZONE_DEVICE page */
/*
* Drivers request for cache inhibited pte mapping using _PAGE_NO_CACHE
@@ -109,7 +108,7 @@
*/
#define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
_PAGE_ACCESSED | H_PAGE_THP_HUGE | _PAGE_PTE | \
- _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)
+ _PAGE_SOFT_DIRTY)
/*
* user access blocked by key
*/
@@ -123,7 +122,7 @@
*/
#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
_PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \
- _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)
+ _PAGE_SOFT_DIRTY)
/*
* We define 2 sets of base prot bits, one for basic pages (ie,
@@ -609,24 +608,6 @@ static inline pte_t pte_mkhuge(pte_t pte)
return pte;
}
-static inline pte_t pte_mkdevmap(pte_t pte)
-{
- return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_SPECIAL | _PAGE_DEVMAP));
-}
-
-/*
- * This is potentially called with a pmd as the argument, in which case it's not
- * safe to check _PAGE_DEVMAP unless we also confirm that _PAGE_PTE is set.
- * That's because the bit we use for _PAGE_DEVMAP is not reserved for software
- * use in page directory entries (ie. non-ptes).
- */
-static inline int pte_devmap(pte_t pte)
-{
- __be64 mask = cpu_to_be64(_PAGE_DEVMAP | _PAGE_PTE);
-
- return (pte_raw(pte) & mask) == mask;
-}
-
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
/* FIXME!! check whether this need to be a conditional */
@@ -1379,36 +1360,6 @@ static inline bool arch_needs_pgtable_deposit(void)
}
extern void serialize_against_pte_lookup(struct mm_struct *mm);
-
-static inline pmd_t pmd_mkdevmap(pmd_t pmd)
-{
- if (radix_enabled())
- return radix__pmd_mkdevmap(pmd);
- return hash__pmd_mkdevmap(pmd);
-}
-
-static inline pud_t pud_mkdevmap(pud_t pud)
-{
- if (radix_enabled())
- return radix__pud_mkdevmap(pud);
- BUG();
- return pud;
-}
-
-static inline int pmd_devmap(pmd_t pmd)
-{
- return pte_devmap(pmd_pte(pmd));
-}
-
-static inline int pud_devmap(pud_t pud)
-{
- return pte_devmap(pud_pte(pud));
-}
-
-static inline int pgd_devmap(pgd_t pgd)
-{
- return 0;
-}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
diff --git a/arch/powerpc/include/asm/book3s/64/pkeys.h b/arch/powerpc/include/asm/book3s/64/pkeys.h
index 5b178139f3c0..ff911b4251d9 100644
--- a/arch/powerpc/include/asm/book3s/64/pkeys.h
+++ b/arch/powerpc/include/asm/book3s/64/pkeys.h
@@ -5,7 +5,7 @@
#include <asm/book3s/64/hash-pkey.h>
-static inline u64 vmflag_to_pte_pkey_bits(u64 vm_flags)
+static inline u64 vmflag_to_pte_pkey_bits(vm_flags_t vm_flags)
{
if (!mmu_has_feature(MMU_FTR_PKEY))
return 0x0UL;
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 8f55ff74bb68..df23a8267e4d 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -264,7 +264,7 @@ static inline int radix__p4d_bad(p4d_t p4d)
static inline int radix__pmd_trans_huge(pmd_t pmd)
{
- return (pmd_val(pmd) & (_PAGE_PTE | _PAGE_DEVMAP)) == _PAGE_PTE;
+ return (pmd_val(pmd) & _PAGE_PTE) == _PAGE_PTE;
}
static inline pmd_t radix__pmd_mkhuge(pmd_t pmd)
@@ -274,7 +274,7 @@ static inline pmd_t radix__pmd_mkhuge(pmd_t pmd)
static inline int radix__pud_trans_huge(pud_t pud)
{
- return (pud_val(pud) & (_PAGE_PTE | _PAGE_DEVMAP)) == _PAGE_PTE;
+ return (pud_val(pud) & _PAGE_PTE) == _PAGE_PTE;
}
static inline pud_t radix__pud_mkhuge(pud_t pud)
@@ -315,16 +315,6 @@ static inline int radix__has_transparent_pud_hugepage(void)
}
#endif
-static inline pmd_t radix__pmd_mkdevmap(pmd_t pmd)
-{
- return __pmd(pmd_val(pmd) | (_PAGE_PTE | _PAGE_DEVMAP));
-}
-
-static inline pud_t radix__pud_mkdevmap(pud_t pud)
-{
- return __pud(pud_val(pud) | (_PAGE_PTE | _PAGE_DEVMAP));
-}
-
struct vmem_altmap;
struct dev_pagemap;
extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 42a51a993d94..912f78a956a1 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -14,7 +14,7 @@
#include <asm/cpu_has_feature.h>
#include <asm/firmware.h>
-static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
+static inline vm_flags_t arch_calc_vm_prot_bits(unsigned long prot,
unsigned long pkey)
{
#ifdef CONFIG_PPC_MEM_KEYS
diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h
index 59a2c7dbc78f..28e752138996 100644
--- a/arch/powerpc/include/asm/pkeys.h
+++ b/arch/powerpc/include/asm/pkeys.h
@@ -30,9 +30,9 @@ extern u32 reserved_allocation_mask; /* bits set for reserved keys */
#endif
-static inline u64 pkey_to_vmflag_bits(u16 pkey)
+static inline vm_flags_t pkey_to_vmflag_bits(u16 pkey)
{
- return (((u64)pkey << VM_PKEY_SHIFT) & ARCH_VM_PKEY_FLAGS);
+ return (((vm_flags_t)pkey << VM_PKEY_SHIFT) & ARCH_VM_PKEY_FLAGS);
}
static inline int vma_pkey(struct vm_area_struct *vma)
diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
index 3a6592a31a10..03f8c34fa0a2 100644
--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
@@ -393,7 +393,7 @@ static int kvmppc_memslot_page_merge(struct kvm *kvm,
{
unsigned long gfn = memslot->base_gfn;
unsigned long end, start = gfn_to_hva(kvm, gfn);
- unsigned long vm_flags;
+ vm_flags_t vm_flags;
int ret = 0;
struct vm_area_struct *vma;
int merge_flag = (merge) ? MADV_MERGEABLE : MADV_UNMERGEABLE;
diff --git a/arch/powerpc/mm/book3s64/hash_hugepage.c b/arch/powerpc/mm/book3s64/hash_hugepage.c
index 15d6f3ea7178..cdfd4fe75edb 100644
--- a/arch/powerpc/mm/book3s64/hash_hugepage.c
+++ b/arch/powerpc/mm/book3s64/hash_hugepage.c
@@ -54,7 +54,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
/*
* Make sure this is thp or devmap entry
*/
- if (!(old_pmd & (H_PAGE_THP_HUGE | _PAGE_DEVMAP)))
+ if (!(old_pmd & H_PAGE_THP_HUGE))
return 0;
rflags = htab_convert_pte_flags(new_pmd, flags);
diff --git a/arch/powerpc/mm/book3s64/hash_pgtable.c b/arch/powerpc/mm/book3s64/hash_pgtable.c
index 988948d69bc1..82d31177630b 100644
--- a/arch/powerpc/mm/book3s64/hash_pgtable.c
+++ b/arch/powerpc/mm/book3s64/hash_pgtable.c
@@ -195,7 +195,7 @@ unsigned long hash__pmd_hugepage_update(struct mm_struct *mm, unsigned long addr
unsigned long old;
#ifdef CONFIG_DEBUG_VM
- WARN_ON(!hash__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp));
+ WARN_ON(!hash__pmd_trans_huge(*pmdp));
assert_spin_locked(pmd_lockptr(mm, pmdp));
#endif
@@ -227,7 +227,6 @@ pmd_t hash__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addres
VM_BUG_ON(address & ~HPAGE_PMD_MASK);
VM_BUG_ON(pmd_trans_huge(*pmdp));
- VM_BUG_ON(pmd_devmap(*pmdp));
pmd = *pmdp;
pmd_clear(pmdp);
diff --git a/arch/powerpc/mm/book3s64/hugetlbpage.c b/arch/powerpc/mm/book3s64/hugetlbpage.c
index 83c3361b358b..2bcbbf9d85ac 100644
--- a/arch/powerpc/mm/book3s64/hugetlbpage.c
+++ b/arch/powerpc/mm/book3s64/hugetlbpage.c
@@ -74,7 +74,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
} while(!pte_xchg(ptep, __pte(old_pte), __pte(new_pte)));
/* Make sure this is a hugetlb entry */
- if (old_pte & (H_PAGE_THP_HUGE | _PAGE_DEVMAP))
+ if (old_pte & H_PAGE_THP_HUGE)
return 0;
rflags = htab_convert_pte_flags(new_pte, flags);
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 0db01e10a3f8..c9431ae7f78a 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c
@@ -62,7 +62,7 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
{
int changed;
#ifdef CONFIG_DEBUG_VM
- WARN_ON(!pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp));
+ WARN_ON(!pmd_trans_huge(*pmdp));
assert_spin_locked(pmd_lockptr(vma->vm_mm, pmdp));
#endif
changed = !pmd_same(*(pmdp), entry);
@@ -82,7 +82,6 @@ int pudp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
{
int changed;
#ifdef CONFIG_DEBUG_VM
- WARN_ON(!pud_devmap(*pudp));
assert_spin_locked(pud_lockptr(vma->vm_mm, pudp));
#endif
changed = !pud_same(*(pudp), entry);
@@ -204,8 +203,8 @@ pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
{
pmd_t pmd;
VM_BUG_ON(addr & ~HPAGE_PMD_MASK);
- VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) &&
- !pmd_devmap(*pmdp)) || !pmd_present(*pmdp));
+ VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp)) ||
+ !pmd_present(*pmdp));
pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp);
/*
* if it not a fullmm flush, then we can possibly end up converting
@@ -223,8 +222,7 @@ pud_t pudp_huge_get_and_clear_full(struct vm_area_struct *vma,
pud_t pud;
VM_BUG_ON(addr & ~HPAGE_PMD_MASK);
- VM_BUG_ON((pud_present(*pudp) && !pud_devmap(*pudp)) ||
- !pud_present(*pudp));
+ VM_BUG_ON(!pud_present(*pudp));
pud = pudp_huge_get_and_clear(vma->vm_mm, addr, pudp);
/*
* if it not a fullmm flush, then we can possibly end up converting
@@ -644,7 +642,7 @@ unsigned long memremap_compat_align(void)
EXPORT_SYMBOL_GPL(memremap_compat_align);
#endif
-pgprot_t vm_get_page_prot(unsigned long vm_flags)
+pgprot_t vm_get_page_prot(vm_flags_t vm_flags)
{
unsigned long prot;
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index d865ec915f9d..be523e5fe9c5 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -1433,7 +1433,7 @@ unsigned long radix__pmd_hugepage_update(struct mm_struct *mm, unsigned long add
unsigned long old;
#ifdef CONFIG_DEBUG_VM
- WARN_ON(!radix__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp));
+ WARN_ON(!radix__pmd_trans_huge(*pmdp));
assert_spin_locked(pmd_lockptr(mm, pmdp));
#endif
@@ -1450,7 +1450,7 @@ unsigned long radix__pud_hugepage_update(struct mm_struct *mm, unsigned long add
unsigned long old;
#ifdef CONFIG_DEBUG_VM
- WARN_ON(!pud_devmap(*pudp));
+ WARN_ON(!pud_trans_huge(*pudp));
assert_spin_locked(pud_lockptr(mm, pudp));
#endif
@@ -1468,7 +1468,6 @@ pmd_t radix__pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long addre
VM_BUG_ON(address & ~HPAGE_PMD_MASK);
VM_BUG_ON(radix__pmd_trans_huge(*pmdp));
- VM_BUG_ON(pmd_devmap(*pmdp));
/*
* khugepaged calls this for normal pmd
*/
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 61df5aed7989..dfaa9fd86f7e 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -509,7 +509,7 @@ pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea,
return NULL;
#endif
- if (pmd_trans_huge(pmd) || pmd_devmap(pmd)) {
+ if (pmd_trans_huge(pmd)) {
if (is_thp)
*is_thp = true;
ret_pte = (pte_t *)pmdp;
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 5f4037c1d7fe..5e0a718d1be7 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -532,7 +532,6 @@ static int cmm_migratepage(struct balloon_dev_info *b_dev_info,
spin_lock_irqsave(&b_dev_info->pages_lock, flags);
balloon_page_insert(b_dev_info, newpage);
- balloon_page_delete(page);
b_dev_info->isolated_pages--;
spin_unlock_irqrestore(&b_dev_info->pages_lock, flags);
@@ -542,6 +541,7 @@ static int cmm_migratepage(struct balloon_dev_info *b_dev_info,
*/
plpar_page_set_active(page);
+ balloon_page_finalize(page);
/* balloon page list reference */
put_page(page);
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 52e2623a741d..aeb8633a3d00 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -29,7 +29,7 @@ struct pci_controller *init_phb_dynamic(struct device_node *dn)
nid = of_node_to_nid(dn);
if (likely((nid) >= 0)) {
if (!node_online(nid)) {
- if (__register_one_node(nid)) {
+ if (register_one_node(nid)) {
pr_err("PCI: Failed to register node %d\n", nid);
} else {
update_numa_distance(dn);
generated by cgit (git 2.34.1) at 2025-08-01 22:12:46 +0000