dma-debug: x86 architecture bindings
Impact: make use of DMA-API debugging code in x86
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index f293a8d..ebf7d45 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,4 +1,5 @@
#include <linux/dma-mapping.h>
+#include <linux/dma-debug.h>
#include <linux/dmar.h>
#include <linux/bootmem.h>
#include <linux/pci.h>
@@ -44,6 +45,9 @@
};
EXPORT_SYMBOL(x86_dma_fallback_dev);
+/* Number of entries preallocated for DMA-API debugging */
+#define PREALLOC_DMA_DEBUG_ENTRIES 32768
+
int dma_set_mask(struct device *dev, u64 mask)
{
if (!dev->dma_mask || !dma_supported(dev, mask))
@@ -265,6 +269,8 @@
static int __init pci_iommu_init(void)
{
+ dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
+
calgary_iommu_init();
intel_iommu_init();