Re: [PATCH v2] iommu/vt-d: Don't be too aggressive when clearing one context entry

[Joerg Roedel]

On Thu, Aug 31, 2017 at 10:58:11AM +0200, Filippo Sironi wrote:
> Previously, we were invalidating context cache and IOTLB globally when
> clearing one context entry.  This is a tad too aggressive.
> Invalidate the context cache and IOTLB for the interested device only.
> 
> Signed-off-by: Filippo Sironi <sironi@xxxxxxxxx>
> Cc: David Woodhouse <dwmw@xxxxxxxxxxxx>
> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
> Cc: Joerg Roedel <joro@xxxxxxxxxx>
> Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
>  drivers/iommu/intel-iommu.c | 42 ++++++++++++++++++++++++------------------
>  1 file changed, 24 insertions(+), 18 deletions(-)

Applied, thanks.