On Wed, Sep 16, 2020 at 08:19:37PM +0700, Suravee Suthikulpanit wrote: > Sasha, > > This patch and the upstream commit 26e495f34107 ("iommu/amd: Restore IRTE.RemapEn bit after programming IRTE") > are related. Since the commit 26e495f34107 has been back-ported to linux-5.4.y branch of the stable tree, > this patch should also be add to linux-5.4.y as well. It doesn't apply to 5.4.y at all, can someone please provide a working backport? thanks, greg k-h