On Fri, May 06, 2022 at 08:00:44PM +0800, Kun(llfl) wrote: > From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > > ANBZ: #1105 > > commit 474dd1c6506411752a9b2f2233eec11f1733a099 upstream. > > The commit 2b0140c69637e ("iommu/vt-d: Use pci_real_dma_dev() for mapping") > fixes an issue of "sub-device is removed where the context entry is cleared > for all aliases". But this commit didn't consider the PASID entry and PASID > table in VT-d scalable mode. This fix increases the coverage of scalable > mode. > > Suggested-by: Sanjay Kumar <sanjay.k.kumar@xxxxxxxxx> > Fixes: 8038bdb855331 ("iommu/vt-d: Only clear real DMA device's context entries") > Fixes: 2b0140c69637e ("iommu/vt-d: Use pci_real_dma_dev() for mapping") > Cc: stable@xxxxxxxxxxxxxxx # v5.6+ Same here, what kernels is this to be applied to, and what is the "ANBZ" tag? thanks, greg k-h