Re: [PATCH v4 5/6] IB/nes: Eliminate duplicate barriers on weakly-ordered archs

From: Jason Gunthorpe
Date: Tue Mar 20 2018 - 12:29:46 EST


On Tue, Mar 20, 2018 at 11:08:59AM -0500, Sinan Kaya wrote:

> > In this case, I strongly suspect nes really intended to say wmb()
>
> Should I change barrier() to wmb() or leave it alone? I have no idea if
> nes is actively being maintained or if it is EOL.

It is dead, and the HW doesn't work on 64 bit machines. Just ignore it
is my advice.

Jason