[dpdk-dev] [PATCH v5 00/14] Patches for DPDK to support Power architecture

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Nov 26 21:57:31 CET 2014

2014-11-26 10:32, David Marchand:
> On Tue, Nov 25, 2014 at 11:17 PM, Chao Zhu <chaozhu at linux.vnet.ibm.com>
> wrote:
> > The set of patches add IBM Power architecture to the DPDK. It adds the
> > required support to the EAL library. This set of patches doesn't support
> > full DPDK function on Power processors. To compile on PPC64 architecture,
> > GCC version >= 4.8 must be used. According to Bruce and Neil's comments,
> > this v5 patch removed the common configuration files of Powerpc in v4.
> > Also, it fixed the checkpatch issues in v3.
> >
> > The only unsolved checkpatch issue is :
> > ERROR: space prohibited before open square bracket '['
> >
> > This issue refers to the asm code input/output naming. But I think the
> > error is invalid.
> >
> >
> I must admit that the architecture abstraction in dpdk is not fully done,
> but it is more a "core" problem than a problem of this port itself.
> I am pretty sure that there is still a lot of places in dpdk that rely on
> the fact that they were written for x86 architecture.
> Neil's concerns on cpuflags (
> http://dpdk.org/ml/archives/dev/2014-November/008769.html) are valid but I
> think we could go with an incremental approach.
> Since Chao is commited to add power support to dpdk, we can have this fixed
> in subsequent patches with this patchset in 1.8.
> So, this patchset looks good enough to me.
> Acked-by: David Marchand <david.marchand at 6wind.com>


Nice to see a new architecture.
We'll have to make things more generic and do more tests but this is a good
first step.


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