Re: [PATCH v10 01/13] mm: Define pasid in mm

Fenghua Yu
2020-09-28T22:44:43Z

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@intel.com>
> >
> > 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@infradead.org>
> > Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
> > Reviewed-by: Tony Luck <tony.luck@intel.com>
> > ---
> > https://lore.kernel.org/linux-iommu/1600187413-163670-8-git-send-email-fenghua.yu@intel.com/
> > ---
> > include/linux/mm_types.h | 4 ++++
> > 1 file changed, 4 insertions(+)
>
> Acked-by: Will Deacon <will@kernel.org>

FYI. This patch is in x86 maintainers tree tip:x86/pasid now as part of
the x86 PASID MSR series.

Thanks.

-Fenghua