On Sat, Aug 24, 2019 at 10:17:30AM +0800, Lu Baolu wrote:
> If a system has any external port, through which an untrusted device
> might be connected, the external port itself should be marked as an
> untrusted device, and all devices beneath it just inherit this
> attribution.
Okay, makes sense.
Hi Joerg,
On 8/23/19 4:39 PM, Joerg Roedel wrote:
On Fri, Aug 23, 2019 at 03:17:29PM +0800, Lu Baolu wrote:
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4569,9 +4569,6 @@ static int __init platform_optin_force_iommu(void)
iommu_identity_mapping |= IDEN
On Fri, Aug 23, 2019 at 03:17:29PM +0800, Lu Baolu wrote:
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -4569,9 +4569,6 @@ static int __init platform_optin_force_iommu(void)
> iommu_identity_mapping |= IDENTMAP_ALL;
>
> dmar_disabled = 0;
> -#if
The direct dma implementation depends on swiotlb. Hence, don't
switch off swiotlb since direct dma interfaces are used in this
driver.
Cc: Ashok Raj
Cc: Jacob Pan
Cc: Kevin Tian
Signed-off-by: Lu Baolu
Reviewed-by: Christoph Hellwig
---
drivers/iommu/Kconfig | 1 +
drivers/iommu/intel-
