Re: [Patch v4 3/9] iommu/amd: Detect pre enabled translation

2016-05-29 Thread Baoquan He
On 05/30/16 at 11:24am, Baoquan He wrote: > On 05/28/16 at 08:49pm, Wan Zongshun wrote: > In fact I am still debugging and trying to figure out what need be done > further to stop the IO_PAGE_FAULT happened on ethernet network card. I > kept changing code and adjust the patches. Up to now seems I

Re: [Patch v4 3/9] iommu/amd: Detect pre enabled translation

2016-05-29 Thread Baoquan He
On 05/28/16 at 08:49pm, Wan Zongshun wrote: > > > Original Message > >@@ -1101,6 +1121,11 @@ static int __init init_iommu_one(struct amd_iommu > >*iommu, struct ivhd_header *h) > > > > iommu->int_enabled = false; > > > >+init_translation_status(iommu); > >+ > >+if

Re: [Patch v4 3/9] iommu/amd: Detect pre enabled translation

2016-05-28 Thread Wan Zongshun
Original Message Add functions to check whether translation is already enabled in IOMMU. Signed-off-by: Baoquan He --- drivers/iommu/amd_iommu_init.c | 25 + drivers/iommu/amd_iommu_types.h | 4 2 files changed, 29

[Patch v4 3/9] iommu/amd: Detect pre enabled translation

2016-05-25 Thread Baoquan He
Add functions to check whether translation is already enabled in IOMMU. Signed-off-by: Baoquan He --- drivers/iommu/amd_iommu_init.c | 25 + drivers/iommu/amd_iommu_types.h | 4 2 files changed, 29 insertions(+) diff --git