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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-06-28 16:00:42 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-06-29 13:39:05 +0100
commit1a4a45516d7a57de0691352d899d7008f2e090d1 (patch)
tree022ff1b91357207801dc000caab27004324b3c8b /drivers
parent03d6a2461ab1704c171ce21081c5022378ef7a91 (diff)
downloadlinux-1a4a45516d7a57de0691352d899d7008f2e090d1.tar.bz2
intel-iommu: Remove last use of PHYSICAL_PAGE_MASK, for reserving PCI BARs
This is fairly broken anyway -- it doesn't take hotplug into account. We should probably be checking page_is_ram() instead. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/intel-iommu.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 6afe44cb6815..a55f5fb06b14 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -62,9 +62,6 @@
#define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32))
#define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64))
-#ifndef PHYSICAL_PAGE_MASK
-#define PHYSICAL_PAGE_MASK PAGE_MASK
-#endif
/* VT-d pages must always be _smaller_ than MM pages. Otherwise things
are never going to work. */
@@ -1307,7 +1304,6 @@ static void dmar_init_reserved_ranges(void)
struct pci_dev *pdev = NULL;
struct iova *iova;
int i;
- u64 addr, size;
init_iova_domain(&reserved_iova_list, DMA_32BIT_PFN);
@@ -1330,12 +1326,9 @@ static void dmar_init_reserved_ranges(void)
r = &pdev->resource[i];
if (!r->flags || !(r->flags & IORESOURCE_MEM))
continue;
- addr = r->start;
- addr &= PHYSICAL_PAGE_MASK;
- size = r->end - addr;
- size = PAGE_ALIGN(size);
- iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr),
- IOVA_PFN(size + addr) - 1);
+ iova = reserve_iova(&reserved_iova_list,
+ IOVA_PFN(r->start),
+ IOVA_PFN(r->end));
if (!iova)
printk(KERN_ERR "Reserve iova failed\n");
}