<snip> > > <removed parts which I think are not that relevant> > > > > > > > > > > > > The blocklist is, I think, agreed upon by everyone. > > > > > > > > > > The question is whether we want to support the > > > > > > > > > > allowlist alongside it and there seem to be enough reasons > > > > > > > > > > to do > that. > > > > > > > > > Sorry, may be this is answered already, but, what > > > > > > > > > additional benefit does allowlist provide over the blocklist? > > > > > > > > > > > > > > > > > > > > > > > > > VPP could use it: > > > > > > > > https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blob;f=build/ext > > > > > > > > erna > > > > > > > > l/pa > > > > > > > > ckag es/dpdk > > > > > > > > .mk;h=c35ac84c27b19411a0cfdf9a3524fdf36024762c;hb=HEAD > > > > > > > > > > > > > > > > They're disabling almost everything so an allowlist would fit > > > > > > > > there. > > > > > > > > And they won't need to update the list when a new driver > > > > > > > > is added (which they won't need). > > > > > > > This is different from how we started this discussion. The > > > > > > > current discussion was for DPDK internal use. But the one > > > > > > > you are referencing above is for users of DPDK. I am fine > > > > > > > for providing the allow list for the users of DPDK. But for > > > > > > > DPDK internal, I think block list is > > > > > enough. > > > > > > > > > > > > > > > > > > > That's an interesting suggestion. Jerin, what do you think? > > > > > > Why did you > > > > > want to have an allowlist? Would this work? > > > > > > > > > > # The very reason why VPP chooses to have allow list so that > > > > > they can control what needs to include. > > > > > # Another use case is like, in SoCs have fixed internal devices, > > > > > we can have optimized build for that can have only allow list of > > > > > the drivers that care about # For server market, block list > > > > > makes sense # For embedded SoC, allow list makes sense. > > > > For the embedded SoC, IMO, the upstream project could allow the > > > > compilation > > > for wider set of PMDs/libs. May be the end customer can use the > > > allow list to compile/use what is required? > > > > > > Just to understand, how end customer can enable allow list, if DPDK > > > build system does not support it? > > > Also to understand, If we are supporting blocklist, why not have > > > allowlist (I mean, both of them) as both are required as it caters > > > different use case as mention above. We can not emulate allowlist > > > with blocklist as each version of DPDK will have new libraries and PMD's > which end user has no clue. Right? > > > > > I think, that is the reason why VPP is doing the allow list. > > > > I'm not sure what you mean by this, but to clarify, VPP likely would be > > using > the allowlist in this fashion, but that is not an arm specific usecase. I > think what > Honnappa wanted to see was how the allowlist could be used in an arm usecase > (such as using it in an SoC configuration). > > There is nothing arm-specific here. Right? allowlist will be common and will > be > used by all architecture. Right? Nothing Arm specific. I think for generic Arm servers platforms we can make sure that we allow for compilation of all the DPDK code. We can go ahead with implementing the allow list.
> > > > > >