Re: [PATCH rdma-next v2 00/20] Introduce mlx5 DEVX interface

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On Mon, Jun 18, 2018 at 04:05:04PM -0600, Jason Gunthorpe wrote:
> On Sun, Jun 17, 2018 at 12:59:46PM +0300, Leon Romanovsky wrote:
>
> > Leon Romanovsky (2):
> >   drm/i915: Move u64-to-ptr helpers to general header
> >   kernel.h: Reuse u64_to_ptr macro to cast __user pointers
>
> I dropped these since they are not needed by this series when using a
> union.

No problem, it was my idea to reuse existing macro, before it was
hard-coded implementation, but union makes it cleaner.

>
> > Matan Barak (5):
> >   IB/uverbs: Export uverbs idr and fd types
> >   IB/uverbs: Add PTR_IN attributes that are allocated/copied
> >     automatically
>
> Revised this one, as noted

Thanks

>
> >   IB/uverbs: Add a macro to define a type with no kernel known size
> >   IB/uverbs: Allow an empty namespace in ioctl() framework
> >   IB/uverbs: Refactor uverbs_finalize_objects
>
> I put the above in a branch and can apply them if you ack my revisions..
>

Except the line "return (void *)attr;", which should be "return ERR_CAST(attr);"
everything looks reasonable. I didn't test it, but I'm not worried, we will have
enough time to fix if needed.

> >   net/mlx5_core: Prevent warns in dmesg upon firmware commands
> >   IB/core: Improve uverbs_cleanup_ucontext algorithm
>
> I dropped these two (they are linked), need comments addressed and
> resent.

They are linked only logically, the second patch will trigger warning
which is suppressed by first patch. So actually mlx5-net branch will have
only first patch "net/mlx5_core: Prevent warns in dmesg upon firmware commands"
and you will apply "IB/core: Improve uverbs_cleanup_ucontext algorithm" in
your rdma-next.

>
> > Yishai Hadas (13):
> >   net/mlx5: Expose DEVX ifc structures
> >   IB/mlx5: Introduce DEVX
> >   IB/core: Introduce DECLARE_UVERBS_GLOBAL_METHODS
> >   IB: Expose ib_ucontext from a given ib_uverbs_file
> >   IB/mlx5: Add support for DEVX general command
> >   IB/mlx5: Add obj create and destroy functionality
> >   IB/mlx5: Add DEVX support for modify and query commands
> >   IB/mlx5: Add support for DEVX query UAR
> >   IB/mlx5: Add DEVX support for memory registration
> >   IB/mlx5: Add DEVX query EQN support
> >   IB/mlx5: Expose DEVX tree
>
> I put these in a branch also and can apply them, but I need the first
> two patches in the mlx5 core branch first please, thanks.
>
> Since this requires so many core patches I think I prefer to merge the
> mlx core branch then apply rather merge a branch.

So to summarize, I'm applying those three patches to mlx5-next:
 * net/mlx5_core: Prevent warns in dmesg upon firmware commands
 * net/mlx5: Expose DEVX ifc structures
 * IB/mlx5: Introduce DEVX

And resend:
 * IB/core: Improve uverbs_cleanup_ucontext algorithm

Thanks

>
> Jason

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