Should be harmless because there is normally no memory there, but
technically it was incorrect.
Pointed out by Leo Duran
Signed-off-by: Andi Kleen <[email protected]>
---
arch/x86_64/kernel/pci-gart.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux/arch/x86_64/kernel/pci-gart.c
===================================================================
--- linux.orig/arch/x86_64/kernel/pci-gart.c
+++ linux/arch/x86_64/kernel/pci-gart.c
@@ -185,7 +185,7 @@ static void iommu_full(struct device *de
static inline int need_iommu(struct device *dev, unsigned long addr, size_t size)
{
u64 mask = *dev->dma_mask;
- int high = addr + size >= mask;
+ int high = addr + size > mask;
int mmu = high;
if (force_iommu)
mmu = 1;
@@ -195,7 +195,7 @@ static inline int need_iommu(struct devi
static inline int nonforced_iommu(struct device *dev, unsigned long addr, size_t size)
{
u64 mask = *dev->dma_mask;
- int high = addr + size >= mask;
+ int high = addr + size > mask;
int mmu = high;
return mmu;
}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
