Hi Jacob,
On Tue, Aug 20, 2019 at 02:21:08PM -0700, Jacob Pan wrote:
> Global pages support is removed from VT-d spec 3.0. Since global pages G
> flag only affects first-level paging structures and because DMA request
> with PASID are only supported by VT-d spec. 3.0 and onward, we can
> safely remove global pages support.
>
> For kernel shared virtual address IOTLB invalidation, PASID
> granularity and page selective within PASID will be used. There is
> no global granularity supported. Without this fix, IOTLB invalidation
> will cause invalid descriptor error in the queued invalidation (QI)
> interface.
>
> Reported-by: Sanjay K Kumar <sanjay.k.ku...@intel.com>
> Signed-off-by: Jacob Pan <jacob.jun....@linux.intel.com>
> ---
> drivers/iommu/intel-svm.c | 36 +++++++++++++++---------------------
> include/linux/intel-iommu.h | 3 ---
> 2 files changed, 15 insertions(+), 24 deletions(-)
Does not cleanly apply to v5.3-rc5, can you please rebase it and
re-send? Also, is this v5.3 stuff (in that case please add a Fixes tag)
or can it wait for v5.4?
Regards,
Joerg
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