On Sun, Aug 12, 2018 at 11:06:07AM -0600, Jason Gunthorpe wrote:
> On Sun, Aug 12, 2018 at 05:28:10PM +0200, Greg KH wrote:
> > On Sun, Aug 12, 2018 at 02:56:49PM +0100, Sudip Mukherjee wrote:
> > > Hi Greg,
> > >
> > > On Sun, Jul 01, 2018 at 11:37:25AM +0200, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> > > >
> > > > The patch below does not apply to the 4.4-stable tree.
> > > > If someone wants it applied there, or to any other stable or longterm
> > > > tree, then please email the backport, including the original git commit
> > > > id to <stable@xxxxxxxxxxxxxxx>.
> > >
> > > The attached backported patch should apply to 4.4-stable and also to
> > > 4.9-stable.
> > >
> > > Though I am confused about why this should be in stable, unless some
> > > later fix, required in stable, depends on this.
> >
> > That's a good question. Can some IB developer please answer this before
> > I queue this up?
>
> It is required for this upstream patch:
>
> commit d8f9cc328c8888369880e2527e9186d745f2bbf6
> Author: Jack Morgenstein <jackm@xxxxxxxxxxxxxxxxxx>
> Date: Wed May 23 15:30:31 2018 +0300
Thanks Jason.
Looks like d8f9cc328c88 ("IB/mlx4: Mark user MR as writable if actual
virtual memory is writable") will be needed in both 4.4-stable and
4.9-stable, but will need backporting.
--
Regards
Sudip
