Re: [PATCH for-next v4] RDMA/efa: Add EFA query MR support

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On Mon, Jan 08, 2024 at 09:40:32PM +0200, Leon Romanovsky wrote:
> 
> 
> On Mon, Jan 8, 2024, at 20:06, Jason Gunthorpe wrote:
> > On Mon, Jan 08, 2024 at 08:01:40PM +0200, Leon Romanovsky wrote:
> >> > I was saying in the rdma-core PR that this field shouldn't even
> >> > exist..
> >> 
> >> Something like that?
> >
> > Yeah, like that. However it is difficult to get the out valid uattr
> > back in the rdma-core side.
> >
> > This is best if the ID's can have well defined not-valid values such
> > as 0 or -1.
> 
> Michael tried something like that in previous versions by defining 0xffff as not valid.
> 
> I didn't like it because there's no promise from PCI core that it is invalid value.

Michael,
What do you think?

Thanks

> 
> 
> 
> >
> > Jason
> 




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