On Mon, Jul 25, 2016 at 04:32:08AM -0500, Suthikulpanit, Suravee wrote: > From: Suravee Suthikulpanit <[email protected]> > > Introduce struct iommu_dev_data.use_vapic flag, which IOMMU driver > uses to determine if it should enable vAPIC support, by setting > the ga_mode bit in the device's interrupt remapping table entry. > > Currently, it is enabled for all pass-through device if vAPIC mode > is enabled. > > Signed-off-by: Suravee Suthikulpanit <[email protected]> > --- > drivers/iommu/amd_iommu.c | 44 > +++++++++++++++++++++++++++++++++-------- > drivers/iommu/amd_iommu_init.c | 12 ++++++++++- > drivers/iommu/amd_iommu_types.h | 2 +- > 3 files changed, 48 insertions(+), 10 deletions(-) > > diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c > index a044ce4..155b4a6 100644 > --- a/drivers/iommu/amd_iommu.c > +++ b/drivers/iommu/amd_iommu.c > @@ -105,6 +105,7 @@ struct iommu_dev_data { > bool pri_tlp; /* PASID TLB required for > PPR completions */ > u32 errata; /* Bitmap for errata to apply */ > + u32 use_vapic; /* Enable device to use vapic mode */
bool is a better choice here.
