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-rw-r--r--arch/arm/mm/ioremap.c8
-rw-r--r--arch/loongarch/kernel/setup.c2
-rw-r--r--arch/mips/loongson64/init.c2
-rw-r--r--arch/powerpc/kernel/isa-bridge.c4
-rw-r--r--drivers/pci/pci.c4
-rw-r--r--include/linux/io.h7
-rw-r--r--mm/vmalloc.c23
7 files changed, 32 insertions, 18 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 2129070065c3..794cfea9f9d4 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/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 634ef17fd38b..fd915ad69c09 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -490,7 +490,7 @@ static int __init add_legacy_isa_io(struct fwnode_handle *fwnode,
}
vaddr = (unsigned long)(PCI_IOBASE + range->io_start);
- ioremap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL));
+ vmap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL));
return 0;
}
diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c
index 553142c1f14f..a35dd7311795 100644
--- a/arch/mips/loongson64/init.c
+++ b/arch/mips/loongson64/init.c
@@ -180,7 +180,7 @@ static int __init add_legacy_isa_io(struct fwnode_handle *fwnode, resource_size_
vaddr = PCI_IOBASE + range->io_start;
- ioremap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL));
+ vmap_page_range(vaddr, vaddr + size, hw_start, pgprot_device(PAGE_KERNEL));
return 0;
}
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 48e0eaf1ad61..5c064485197a 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -46,8 +46,8 @@ static void remap_isa_base(phys_addr_t pa, unsigned long size)
WARN_ON_ONCE(size & ~PAGE_MASK);
if (slab_is_available()) {
- if (ioremap_page_range(ISA_IO_BASE, ISA_IO_BASE + size, pa,
- pgprot_noncached(PAGE_KERNEL)))
+ if (vmap_page_range(ISA_IO_BASE, ISA_IO_BASE + size, pa,
+ pgprot_noncached(PAGE_KERNEL)))
vunmap_range(ISA_IO_BASE, ISA_IO_BASE + size);
} else {
early_ioremap_range(ISA_IO_BASE, pa, size,
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index c3585229c12a..ccee56615f78 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4353,8 +4353,8 @@ 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_device(PAGE_KERNEL));
+ return vmap_page_range(vaddr, vaddr + resource_size(res), phys_addr,
+ pgprot_device(PAGE_KERNEL));
#else
/*
* This architecture does not have memory mapped I/O space,
diff --git a/include/linux/io.h b/include/linux/io.h
index 7304f2a69960..235ba7d80a8f 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -23,12 +23,19 @@ void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
#ifdef CONFIG_MMU
int ioremap_page_range(unsigned long addr, unsigned long end,
phys_addr_t phys_addr, pgprot_t prot);
+int vmap_page_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot);
#else
static inline int ioremap_page_range(unsigned long addr, unsigned long end,
phys_addr_t phys_addr, pgprot_t prot)
{
return 0;
}
+static inline int vmap_page_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
+{
+ return 0;
+}
#endif
/*
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e5b8c70950bc..1e36322d83d8 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -304,11 +304,24 @@ static int vmap_range_noflush(unsigned long addr, unsigned long end,
return err;
}
+int vmap_page_range(unsigned long addr, unsigned long end,
+ phys_addr_t phys_addr, pgprot_t prot)
+{
+ int err;
+
+ err = vmap_range_noflush(addr, end, phys_addr, pgprot_nx(prot),
+ ioremap_max_page_shift);
+ flush_cache_vmap(addr, end);
+ if (!err)
+ err = kmsan_ioremap_page_range(addr, end, phys_addr, prot,
+ ioremap_max_page_shift);
+ return err;
+}
+
int ioremap_page_range(unsigned long addr, unsigned long end,
phys_addr_t phys_addr, pgprot_t prot)
{
struct vm_struct *area;
- int err;
area = find_vm_area((void *)addr);
if (!area || !(area->flags & VM_IOREMAP)) {
@@ -322,13 +335,7 @@ int ioremap_page_range(unsigned long addr, unsigned long end,
(long)area->addr + get_vm_area_size(area));
return -ERANGE;
}
- err = vmap_range_noflush(addr, end, phys_addr, pgprot_nx(prot),
- ioremap_max_page_shift);
- flush_cache_vmap(addr, end);
- if (!err)
- err = kmsan_ioremap_page_range(addr, end, phys_addr, prot,
- ioremap_max_page_shift);
- return err;
+ return vmap_page_range(addr, end, phys_addr, prot);
}
static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,