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Diffstat (limited to 'arch/ia64/pci/pci.c')
-rw-r--r--arch/ia64/pci/pci.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index ab829a22f8a4..276512fd8922 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;