Re: [PATCH 03/10] iommu/vt-d: Request passthrough mode from IOMMU core

Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> · Thu, 15 Aug 2019 12:46:01 +0800

Hi Joerg,

On 8/14/19 9:38 PM, Joerg Roedel wrote:

From: Joerg Roedel <jroedel@xxxxxxx>

Get rid of the iommu_pass_through variable and request
passthrough mode via the new iommu core function.

Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>


Looks good to me.

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>


---
  drivers/iommu/intel-iommu.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index bdaed2da8a55..234bc2b55c59 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3267,7 +3267,7 @@ static int __init init_dmars(void)
  		iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH);
  	}

  

-	if (iommu_pass_through)

+	if (iommu_default_passthrough())
  		iommu_identity_mapping |= IDENTMAP_ALL;

  

  #ifdef CONFIG_INTEL_IOMMU_BROKEN_GFX_WA





