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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /arch/arm/mm
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/dump.c4
-rw-r--r--arch/arm/mm/fault.c8
-rw-r--r--arch/arm/mm/init.c4
-rw-r--r--arch/arm/mm/ioremap.c8
-rw-r--r--arch/arm/mm/mmu.c2
5 files changed, 17 insertions, 9 deletions
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c
index a9381095ab..cd032522d9 100644
--- a/arch/arm/mm/dump.c
+++ b/arch/arm/mm/dump.c
@@ -349,12 +349,12 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
for (i = 0; i < PTRS_PER_PMD; i++, pmd++) {
addr = start + i * PMD_SIZE;
domain = get_domain_name(pmd);
- if (pmd_none(*pmd) || pmd_large(*pmd) || !pmd_present(*pmd))
+ if (pmd_none(*pmd) || pmd_leaf(*pmd) || !pmd_present(*pmd))
note_page(st, addr, 4, pmd_val(*pmd), domain);
else
walk_pte(st, pmd, addr, domain);
- if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1])) {
+ if (SECTION_SIZE < PMD_SIZE && pmd_leaf(pmd[1])) {
addr += SECTION_SIZE;
pmd++;
domain = get_domain_name(pmd);
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 07565b593e..439dc6a26b 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -25,6 +25,13 @@
#include "fault.h"
+bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
+{
+ unsigned long addr = (unsigned long)unsafe_src;
+
+ return addr >= TASK_SIZE && ULONG_MAX - addr >= size;
+}
+
#ifdef CONFIG_MMU
/*
@@ -588,6 +595,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
return;
+ pr_alert("8<--- cut here ---\n");
pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
inf->name, ifsr, addr);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index a42e4cd11d..e8c6f4be0c 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -418,7 +418,7 @@ static void set_section_perms(struct section_perm *perms, int n, bool set,
}
-/**
+/*
* update_sections_early intended to be called only through stop_machine
* framework and executed by only one CPU while all other CPUs will spin and
* wait, so no locking is required in this function.
@@ -458,7 +458,7 @@ static int __mark_rodata_ro(void *unused)
void mark_rodata_ro(void)
{
stop_machine(__mark_rodata_ro, NULL, NULL);
- debug_checkwx();
+ arm_debug_checkwx();
}
#else
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 2129070065..794cfea9f9 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -110,8 +110,8 @@ void __init add_static_vm_early(struct static_vm *svm)
int ioremap_page(unsigned long virt, unsigned long phys,
const struct mem_type *mtype)
{
- return ioremap_page_range(virt, virt + PAGE_SIZE, phys,
- __pgprot(mtype->prot_pte));
+ return vmap_page_range(virt, virt + PAGE_SIZE, phys,
+ __pgprot(mtype->prot_pte));
}
EXPORT_SYMBOL(ioremap_page);
@@ -466,8 +466,8 @@ int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
if (res->end > IO_SPACE_LIMIT)
return -EINVAL;
- return ioremap_page_range(vaddr, vaddr + resource_size(res), phys_addr,
- __pgprot(get_mem_type(pci_ioremap_mem_type)->prot_pte));
+ return vmap_page_range(vaddr, vaddr + resource_size(res), phys_addr,
+ __pgprot(get_mem_type(pci_ioremap_mem_type)->prot_pte));
}
EXPORT_SYMBOL(pci_remap_iospace);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 674ed71573..c24e29c0b9 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1814,6 +1814,6 @@ void set_ptes(struct mm_struct *mm, unsigned long addr,
if (--nr == 0)
break;
ptep++;
- pte_val(pteval) += PAGE_SIZE;
+ pteval = pte_next_pfn(pteval);
}
}