On Wed, 21 Oct 2015, Or Gerlitz wrote:

> Again, the kernel stack consuming rate here was < 1 bit a year when
> averaging over time since this was introduced. So we should be doing
> well for the coming ~10-20 years with this 32 bit field, and we can
> easily extend it later, I verified that with Haggai, so yes, don't
> want 64 bits now.

Hmmm... We are running out of dev_cap flags on mlx4 already. They are 32
bits.

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