Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (77 commits)
  x86: UV startup of slave cpus
  x86: integrate pci-dma.c
  x86: don't do dma if mask is NULL.
  x86: return conditional to mmu
  x86: remove kludge from x86_64
  x86: unify gfp masks
  x86: retry allocation if failed
  x86: don't try to allocate from DMA zone at first
  x86: use a fallback dev for i386
  x86: use numa allocation function in i386
  x86: remove virt_to_bus in pci-dma_64.c
  x86: adjust dma_free_coherent for i386
  x86: move bad_dma_address
  x86: isolate coherent mapping functions
  x86: move dma_coherent functions to pci-dma.c
  x86: merge iommu initialization parameters
  x86: merge dma_supported
  x86: move pci fixup to pci-dma.c
  x86: move x86_64-specific to common code.
  x86: move initialization functions to pci-dma.c
  ...

1 files changed, 6 insertions, 6 deletions

diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
index d143a1e76b3..d0060fdccca 100644
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -105,14 +105,14 @@ void __init efi_reserve_bootmem(void)
 
 void __iomem * __init efi_ioremap(unsigned long phys_addr, unsigned long size)
 {
-	static unsigned pages_mapped;
+	static unsigned pages_mapped __initdata;
 	unsigned i, pages;
+	unsigned long offset;
 
-	/* phys_addr and size must be page aligned */
-	if ((phys_addr & ~PAGE_MASK) || (size & ~PAGE_MASK))
-		return NULL;
+	pages = PFN_UP(phys_addr + size) - PFN_DOWN(phys_addr);
+	offset = phys_addr & ~PAGE_MASK;
+	phys_addr &= PAGE_MASK;
 
-	pages = size >> PAGE_SHIFT;
 	if (pages_mapped + pages > MAX_EFI_IO_PAGES)
 		return NULL;
 
@@ -124,5 +124,5 @@ void __iomem * __init efi_ioremap(unsigned long phys_addr, unsigned long size)
 	}
 
 	return (void __iomem *)__fix_to_virt(FIX_EFI_IO_MAP_FIRST_PAGE - \
-					     (pages_mapped - pages));
+					     (pages_mapped - pages)) + offset;
 }