Re: [PATCH 1/2 for Linux 5.4] iommu/vt-d: Gracefully handle DMAR units with no supported address widths

Greg KH
2021-02-02T13:05:20Z

On Tue, Feb 02, 2021 at 01:00:08AM +0100, Filippo Sironi wrote:
> From: David Woodhouse <dwmw@amazon.co.uk>
>
> commit c40aaaac1018ff1382f2d35df5129a6bcea3df6b upstream.
>
> Instead of bailing out completely, such a unit can still be used for
> interrupt remapping.
>
> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
> Link: https://lore.kernel.org/linux-iommu/549928db2de6532117f36c9c810373c14cf76f51.camel@infradead.org/
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> [ context change due to moving drivers/iommu/dmar.c to
> drivers/iommu/intel/dmar.c ]
> Signed-off-by: Filippo Sironi <sironi@amazon.de>
> ---
> drivers/iommu/dmar.c | 44 ++++++++++++++++++++++++++++++--------------
> 1 file changed, 30 insertions(+), 14 deletions(-)

All of these now queued up, thanks!

greg k-h