diff options
Diffstat (limited to 'arch/ia64/pci/pci.c')
-rw-r--r-- | arch/ia64/pci/pci.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index ab829a22f8a..276512fd892 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -10,7 +10,6 @@ * * Note: Above list of copyright holders is incomplete... */ -#include <linux/config.h> #include <linux/acpi.h> #include <linux/types.h> @@ -352,7 +351,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus) pxm = acpi_get_pxm(controller->acpi_handle); #ifdef CONFIG_NUMA if (pxm >= 0) - controller->node = pxm_to_nid_map[pxm]; + controller->node = pxm_to_node(pxm); #endif acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window, @@ -568,7 +567,7 @@ pcibios_disable_device (struct pci_dev *dev) void pcibios_align_resource (void *data, struct resource *res, - unsigned long size, unsigned long align) + resource_size_t size, resource_size_t align) { } @@ -602,8 +601,6 @@ pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, * Leave vm_pgoff as-is, the PCI space address is the physical * address on this platform. */ - vma->vm_flags |= (VM_SHM | VM_RESERVED | VM_IO); - if (write_combine && efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); @@ -645,18 +642,30 @@ char *ia64_pci_get_legacy_mem(struct pci_bus *bus) int pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma) { + unsigned long size = vma->vm_end - vma->vm_start; + pgprot_t prot; char *addr; + /* + * Avoid attribute aliasing. See Documentation/ia64/aliasing.txt + * for more details. + */ + if (!valid_mmap_phys_addr_range(vma->vm_pgoff << PAGE_SHIFT, size)) + return -EINVAL; + prot = phys_mem_access_prot(NULL, vma->vm_pgoff, size, + vma->vm_page_prot); + if (pgprot_val(prot) != pgprot_val(pgprot_noncached(vma->vm_page_prot))) + return -EINVAL; + addr = pci_get_legacy_mem(bus); if (IS_ERR(addr)) return PTR_ERR(addr); vma->vm_pgoff += (unsigned long)addr >> PAGE_SHIFT; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - vma->vm_flags |= (VM_SHM | VM_RESERVED | VM_IO); + vma->vm_page_prot = prot; if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) + size, vma->vm_page_prot)) return -EAGAIN; return 0; |