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-rw-r--r--arch/powerpc/mm/book3s32/mmu.c4
-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/hash_utils.c4
-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.c7
-rw-r--r--arch/powerpc/mm/kasan/init_32.c2
-rw-r--r--arch/powerpc/mm/kasan/init_book3e_64.c2
-rw-r--r--arch/powerpc/mm/kasan/init_book3s_64.c6
-rw-r--r--arch/powerpc/mm/nohash/kaslr_booke.c2
-rw-r--r--arch/powerpc/mm/nohash/mmu_context.c10
-rw-r--r--arch/powerpc/mm/pgtable.c14
-rw-r--r--arch/powerpc/mm/pgtable_32.c2
-rw-r--r--arch/powerpc/mm/ptdump/8xx.c2
-rw-r--r--arch/powerpc/mm/ptdump/book3s64.c2
-rw-r--r--arch/powerpc/mm/ptdump/ptdump.h4
-rw-r--r--arch/powerpc/mm/ptdump/shared.c2
18 files changed, 33 insertions, 49 deletions
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index be9c4106e22f..c42ecdf94e48 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -204,7 +204,7 @@ int mmu_mark_initmem_nx(void)
for (i = 0; i < nb - 1 && base < top;) {
size = bat_block_size(base, top);
- setibat(i++, PAGE_OFFSET + base, base, size, PAGE_KERNEL_TEXT);
+ setibat(i++, PAGE_OFFSET + base, base, size, PAGE_KERNEL_X);
base += size;
}
if (base < top) {
@@ -215,7 +215,7 @@ int mmu_mark_initmem_nx(void)
pr_warn("Some RW data is getting mapped X. "
"Adjust CONFIG_DATA_SHIFT to avoid that.\n");
}
- setibat(i++, PAGE_OFFSET + base, base, size, PAGE_KERNEL_TEXT);
+ setibat(i++, PAGE_OFFSET + base, base, size, PAGE_KERNEL_X);
base += size;
}
for (; i < nb; i++)
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/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 4693c464fc5a..3aee3af614af 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -1562,11 +1562,11 @@ unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap)
folio = page_folio(pte_page(pte));
/* page is dirty */
- if (!test_bit(PG_dcache_clean, &folio->flags) &&
+ if (!test_bit(PG_dcache_clean, &folio->flags.f) &&
!folio_test_reserved(folio)) {
if (trap == INTERRUPT_INST_STORAGE) {
flush_dcache_icache_folio(folio);
- set_bit(PG_dcache_clean, &folio->flags);
+ set_bit(PG_dcache_clean, &folio->flags.f);
} else
pp |= HPTE_R_N;
}
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..73977dbabcf2 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -780,7 +780,7 @@ static void __meminit free_vmemmap_pages(struct page *page,
while (nr_pages--)
free_reserved_page(page++);
} else
- free_pages((unsigned long)page_address(page), order);
+ __free_pages(page, order);
}
static void __meminit remove_pte_table(pte_t *pte_start, unsigned long addr,
@@ -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/kasan/init_32.c b/arch/powerpc/mm/kasan/init_32.c
index 03666d790a53..1d083597464f 100644
--- a/arch/powerpc/mm/kasan/init_32.c
+++ b/arch/powerpc/mm/kasan/init_32.c
@@ -165,7 +165,7 @@ void __init kasan_init(void)
/* At this point kasan is fully initialized. Enable error messages */
init_task.kasan_depth = 0;
- pr_info("KASAN init done\n");
+ kasan_init_generic();
}
void __init kasan_late_init(void)
diff --git a/arch/powerpc/mm/kasan/init_book3e_64.c b/arch/powerpc/mm/kasan/init_book3e_64.c
index 60c78aac0f63..0d3a73d6d4b0 100644
--- a/arch/powerpc/mm/kasan/init_book3e_64.c
+++ b/arch/powerpc/mm/kasan/init_book3e_64.c
@@ -127,7 +127,7 @@ void __init kasan_init(void)
/* Enable error messages */
init_task.kasan_depth = 0;
- pr_info("KASAN init done\n");
+ kasan_init_generic();
}
void __init kasan_late_init(void) { }
diff --git a/arch/powerpc/mm/kasan/init_book3s_64.c b/arch/powerpc/mm/kasan/init_book3s_64.c
index 7d959544c077..dcafa641804c 100644
--- a/arch/powerpc/mm/kasan/init_book3s_64.c
+++ b/arch/powerpc/mm/kasan/init_book3s_64.c
@@ -19,8 +19,6 @@
#include <linux/memblock.h>
#include <asm/pgalloc.h>
-DEFINE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key);
-
static void __init kasan_init_phys_region(void *start, void *end)
{
unsigned long k_start, k_end, k_cur;
@@ -92,11 +90,9 @@ void __init kasan_init(void)
*/
memset(kasan_early_shadow_page, 0, PAGE_SIZE);
- static_branch_inc(&powerpc_kasan_enabled_key);
-
/* Enable error messages */
init_task.kasan_depth = 0;
- pr_info("KASAN init done\n");
+ kasan_init_generic();
}
void __init kasan_early_init(void) { }
diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c
index 5c8d1bb98b3e..5e4897daaaea 100644
--- a/arch/powerpc/mm/nohash/kaslr_booke.c
+++ b/arch/powerpc/mm/nohash/kaslr_booke.c
@@ -178,7 +178,7 @@ static void __init get_crash_kernel(void *fdt, unsigned long size)
int ret;
ret = parse_crashkernel(boot_command_line, size, &crash_size,
- &crash_base, NULL, NULL);
+ &crash_base, NULL, NULL, NULL);
if (ret != 0 || crash_size == 0)
return;
if (crash_base == 0)
diff --git a/arch/powerpc/mm/nohash/mmu_context.c b/arch/powerpc/mm/nohash/mmu_context.c
index a1a4e697251a..28a96a10c907 100644
--- a/arch/powerpc/mm/nohash/mmu_context.c
+++ b/arch/powerpc/mm/nohash/mmu_context.c
@@ -203,15 +203,7 @@ static unsigned int steal_context_up(unsigned int id)
static void set_context(unsigned long id, pgd_t *pgd)
{
if (IS_ENABLED(CONFIG_PPC_8xx)) {
- s16 offset = (s16)(__pa(swapper_pg_dir));
-
- /*
- * Register M_TWB will contain base address of level 1 table minus the
- * lower part of the kernel PGDIR base address, so that all accesses to
- * level 1 table are done relative to lower part of kernel PGDIR base
- * address.
- */
- mtspr(SPRN_M_TWB, __pa(pgd) - offset);
+ mtspr(SPRN_M_TWB, __pa(pgd));
/* Update context */
mtspr(SPRN_M_CASID, id - 1);
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 61df5aed7989..56d7e8960e77 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -87,9 +87,9 @@ static pte_t set_pte_filter_hash(pte_t pte, unsigned long addr)
struct folio *folio = maybe_pte_to_folio(pte);
if (!folio)
return pte;
- if (!test_bit(PG_dcache_clean, &folio->flags)) {
+ if (!test_bit(PG_dcache_clean, &folio->flags.f)) {
flush_dcache_icache_folio(folio);
- set_bit(PG_dcache_clean, &folio->flags);
+ set_bit(PG_dcache_clean, &folio->flags.f);
}
}
return pte;
@@ -127,13 +127,13 @@ static inline pte_t set_pte_filter(pte_t pte, unsigned long addr)
return pte;
/* If the page clean, we move on */
- if (test_bit(PG_dcache_clean, &folio->flags))
+ if (test_bit(PG_dcache_clean, &folio->flags.f))
return pte;
/* If it's an exec fault, we flush the cache and make it clean */
if (is_exec_fault()) {
flush_dcache_icache_folio(folio);
- set_bit(PG_dcache_clean, &folio->flags);
+ set_bit(PG_dcache_clean, &folio->flags.f);
return pte;
}
@@ -175,12 +175,12 @@ static pte_t set_access_flags_filter(pte_t pte, struct vm_area_struct *vma,
goto bail;
/* If the page is already clean, we move on */
- if (test_bit(PG_dcache_clean, &folio->flags))
+ if (test_bit(PG_dcache_clean, &folio->flags.f))
goto bail;
/* Clean the page and set PG_dcache_clean */
flush_dcache_icache_folio(folio);
- set_bit(PG_dcache_clean, &folio->flags);
+ set_bit(PG_dcache_clean, &folio->flags.f);
bail:
return pte_mkexec(pte);
@@ -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/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 15276068f657..0c9ef705803e 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -104,7 +104,7 @@ static void __init __mapin_ram_chunk(unsigned long offset, unsigned long top)
p = memstart_addr + s;
for (; s < top; s += PAGE_SIZE) {
ktext = core_kernel_text(v);
- map_kernel_page(v, p, ktext ? PAGE_KERNEL_TEXT : PAGE_KERNEL);
+ map_kernel_page(v, p, ktext ? PAGE_KERNEL_X : PAGE_KERNEL);
v += PAGE_SIZE;
p += PAGE_SIZE;
}
diff --git a/arch/powerpc/mm/ptdump/8xx.c b/arch/powerpc/mm/ptdump/8xx.c
index b5c79b11ea3c..4ca9cf7a90c9 100644
--- a/arch/powerpc/mm/ptdump/8xx.c
+++ b/arch/powerpc/mm/ptdump/8xx.c
@@ -69,7 +69,7 @@ static const struct flag_info flag_array[] = {
}
};
-struct pgtable_level pg_level[5] = {
+struct ptdump_pg_level pg_level[5] = {
{ /* pgd */
.flag = flag_array,
.num = ARRAY_SIZE(flag_array),
diff --git a/arch/powerpc/mm/ptdump/book3s64.c b/arch/powerpc/mm/ptdump/book3s64.c
index 5ad92d9dc5d1..6b2da9241d4c 100644
--- a/arch/powerpc/mm/ptdump/book3s64.c
+++ b/arch/powerpc/mm/ptdump/book3s64.c
@@ -102,7 +102,7 @@ static const struct flag_info flag_array[] = {
}
};
-struct pgtable_level pg_level[5] = {
+struct ptdump_pg_level pg_level[5] = {
{ /* pgd */
.flag = flag_array,
.num = ARRAY_SIZE(flag_array),
diff --git a/arch/powerpc/mm/ptdump/ptdump.h b/arch/powerpc/mm/ptdump/ptdump.h
index 154efae96ae0..4232aa4b57ea 100644
--- a/arch/powerpc/mm/ptdump/ptdump.h
+++ b/arch/powerpc/mm/ptdump/ptdump.h
@@ -11,12 +11,12 @@ struct flag_info {
int shift;
};
-struct pgtable_level {
+struct ptdump_pg_level {
const struct flag_info *flag;
size_t num;
u64 mask;
};
-extern struct pgtable_level pg_level[5];
+extern struct ptdump_pg_level pg_level[5];
void pt_dump_size(struct seq_file *m, unsigned long delta);
diff --git a/arch/powerpc/mm/ptdump/shared.c b/arch/powerpc/mm/ptdump/shared.c
index 39c30c62b7ea..58998960eb9a 100644
--- a/arch/powerpc/mm/ptdump/shared.c
+++ b/arch/powerpc/mm/ptdump/shared.c
@@ -67,7 +67,7 @@ static const struct flag_info flag_array[] = {
}
};
-struct pgtable_level pg_level[5] = {
+struct ptdump_pg_level pg_level[5] = {
{ /* pgd */
.flag = flag_array,
.num = ARRAY_SIZE(flag_array),
generated by cgit v1.2.3 (git 2.39.0) at 2025-10-06 06:15:43 +0300