[dpdk-dev] [PATCH v4 2/6] build: refactor Arm build

Honnappa Nagarahalli Honnappa.Nagarahalli at arm.com
Wed Oct 28 00:17:43 CET 2020


<snip>

> >
> > > >  flags_emag = [
> > > >  	['RTE_MACHINE', '"emag"'],
> > > > -	['RTE_CACHE_LINE_SIZE', 64],
> > > >  	['RTE_MAX_NUMA_NODES', 1],
> > > > -	['RTE_MAX_LCORE', 32]]
> > > > +	['RTE_MAX_LCORE', 32],
> > > > +	['RTE_CACHE_LINE_SIZE', 64]
> > > > +]
> > > >  flags_armada = [
> > > >  	['RTE_MACHINE', '"armv8a"'],
> > > > -	['RTE_CACHE_LINE_SIZE', 64],
> > > >  	['RTE_MAX_NUMA_NODES', 1],
> > > > -	['RTE_MAX_LCORE', 16]]
> > > > +	['RTE_MAX_LCORE', 16],
> > > > +	['RTE_CACHE_LINE_SIZE', 64]
> > > > +]
> > > Any reason for this change?
> > >
> >
> > The default (from flags_common_default) is 128 and I found here [0]
> > that it should be set to 64 so I added it here. Should this also be in
> > a separate patch (apart from those 4 already mention above)?
> >
> > [0]
> > http://git.dpdk.org/dpdk/tree/config/defconfig_arm64-armada-linuxapp-
> > gcc?h=v20.08
> >
> 
> Sorry, I overlooked that I just moved the config around. I don't remember
> why. I could see that I wanted to make the order consistent across the
> different flag group, but that is not the case even with these changes. I'll
> make it consistent when I split the patch.
Ok

<snip>


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