aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/pci/pci_dma.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2014-03-19 20:15:46 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-03-19 20:15:46 +0000
commit566b60c04ab230b8cc3845f964306f99504b18df (patch)
tree1897a526488c3496f4ffe5eebb39a1dd41ab731d /arch/s390/pci/pci_dma.c
parent3ba4cea21901d90d703b52e4a806fbafa86037a6 (diff)
parentc7edc9e326d53ca5ef9bed82de0740c6b107d55b (diff)
Merge branch 'uprobes-v7' of git://git.linaro.org/people/dave.long/linux into devel-stable
This patch series adds basic uprobes support to ARM. It is based on patches developed earlier by Rabin Vincent. That approach of adding hooks into the kprobes instruction parsing code was not well received. This approach separates the ARM instruction parsing code in kprobes out into a separate set of functions which can be used by both kprobes and uprobes. Both kprobes and uprobes then provide their own semantic action tables to process the results of the parsing.
Diffstat (limited to 'arch/s390/pci/pci_dma.c')
-rw-r--r--arch/s390/pci/pci_dma.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 60c11a629d96..f91c03119804 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -206,11 +206,13 @@ static void dma_cleanup_tables(struct zpci_dev *zdev)
zdev->dma_table = NULL;
}
-static unsigned long __dma_alloc_iommu(struct zpci_dev *zdev, unsigned long start,
- int size)
+static unsigned long __dma_alloc_iommu(struct zpci_dev *zdev,
+ unsigned long start, int size)
{
- unsigned long boundary_size = 0x1000000;
+ unsigned long boundary_size;
+ boundary_size = ALIGN(dma_get_seg_boundary(&zdev->pdev->dev) + 1,
+ PAGE_SIZE) >> PAGE_SHIFT;
return iommu_area_alloc(zdev->iommu_bitmap, zdev->iommu_pages,
start, size, 0, boundary_size, 0);
}