Re: [ewg] Re: [PATCH] IB/ehca: Serialize HCA-related hCalls on POWER5

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Or Gerlitz <[email protected]> wrote on 12.12.2007 13:14:25:

> Joachim Fenkes wrote:
> > Roland Dreier <[email protected]> wrote on 10.12.2007 22:47:37:
>
> >> It's an optional device feature, so this should be OK
> >> (although the iSER driver currently seems to depend on a device
> >> supporting FMRs, which is probably going to be a problem with iWARP
> >> support in the future anyway).
>
> > I don't feel very well with removing code from the driver that iSER
seems
> > to depend on. Are there plans to fix this in iSER?
>
> What is the fix you suggest, to add a device query that tells you for
> which verbs the documentation does not apply? or enhance the code of the
>   map_phys_fmr verb within the ehca driver to return error if called
> from non-sleepable context?

Roland,
what is your suggestion here?

We could implement both versions Or is proposing, but having both
at the same time sound like overkill.

Christoph R.

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