Hi, Will and Jean, On Mon, Sep 28, 2020 at 11:22:51PM +0100, Will Deacon wrote: > On Fri, Sep 18, 2020 at 12:18:41PM +0200, Jean-Philippe Brucker wrote: > > From: Fenghua Yu <fenghua.yu@xxxxxxxxx> > > > > PASID is shared by all threads in a process. So the logical place to keep > > track of it is in the "mm". Both ARM and X86 need to use the PASID in the > > "mm". > > > > Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx> > > Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx> > > Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx> > > --- > > https://lore.kernel.org/linux-iommu/1600187413-163670-8-git-send-email-fenghua.yu@xxxxxxxxx/ > > --- > > include/linux/mm_types.h | 4 ++++ > > 1 file changed, 4 insertions(+) > > Acked-by: Will Deacon <will@xxxxxxxxxx> FYI. This patch is in x86 maintainers tree tip:x86/pasid now as part of the x86 PASID MSR series. Thanks. -Fenghua
