On Wed, Oct 12, 2016 at 06:13:50PM -0500, Michael Roth wrote:
> Currently we access individual bytes of an option vector via
> ldub_phys() to test for the presence of a particular capability
> within that byte. Currently this is only done for the "dynamic
> reconfiguration memory" capability bit. If that bit is present,
> we pass a boolean value to spapr_h_cas_compose_response()
> to generate a modified device tree segment with the additional
> properties required to enable this functionality.
> As more capability bits are added, will would need to modify the
> code to add additional option vector accesses and extend the
> param list for spapr_h_cas_compose_response() to include similar
> boolean values for these parameters.
> Avoid this by switching to spapr_ovec_* helpers so we can do all
> the parsing in one shot and then test for these additional bits
> within spapr_h_cas_compose_response() directly.
> Cc: Bharata B Rao <bhar...@linux.vnet.ibm.com>
> Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>

Nicely done!

Reviewed-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>


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