diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kernel/pci-swiotlb.c | 2 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/pci-swiotlb.c | 5 |
3 files changed, 4 insertions, 5 deletions
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index 223abb134105..285aae8431c6 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -46,7 +46,7 @@ void __init swiotlb_dma_init(void) void __init pci_swiotlb_init(void) { - if (!iommu_detected || iommu_pass_through) { + if (!iommu_detected) { #ifdef CONFIG_IA64_GENERIC swiotlb = 1; printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n"); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 74d647ecf905..93698794aa3a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1901,7 +1901,7 @@ config DMAR_DEFAULT_ON config DMAR_BROKEN_GFX_WA def_bool n prompt "Workaround broken graphics drivers (going away soon)" - depends on DMAR + depends on DMAR && BROKEN ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index e8a35016115f..aaa6b7839f1e 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -46,9 +46,8 @@ void __init pci_swiotlb_init(void) { /* don't initialize swiotlb if iommu=off (no_iommu=1) */ #ifdef CONFIG_X86_64 - if ((!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN) || - iommu_pass_through) - swiotlb = 1; + if ((!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN)) + swiotlb = 1; #endif if (swiotlb_force) swiotlb = 1; |