Re: [dpdk-dev] [PATCH 0/2] dpdk: Allow for dynamic enablement of some isolated features

[Bruce Richardson <bruce.richardson@intel.com>]

On Thu, Jul 31, 2014 at 03:58:30PM -0400, John W. Linville wrote:
> On Thu, Jul 31, 2014 at 11:36:32AM -0700, Bruce Richardson wrote:
> 
> > With regards to the general approach for runtime detection of software
> > functions, I wonder if something like this can be handled by the
> > packaging system? Is it possible to ship out a set of shared libs
> > compiled up for different instruction sets, and then at rpm install
> > time, symlink the appropriate library? This would push the whole issue
> > of detection of code paths outside of code, work across all our
> > libraries and ensure each user got the best performance they could get
> > form a binary?
> > Has something like this been done before? The building of all the
> > libraries could be scripted easy enough, just do multiple builds using
> > different EXTRA_CFLAGS each time, and move and rename the .so's after
> > each run.
> 
> I'm not aware of a package that does anything like that.  It probably
> is possible, but I imagine that it would provoke a lot of debate
> and consternation in FESCO...

Nothing like a bit of consternation to get the adrenaline pumping, right
:-)
BTW: what is FESCO?

/Bruce

> 
> -- 
> John W. Linville		Someday the world will need a hero, and you
> linville@tuxdriver.com			might be all we have.  Be ready.