On Mon, Jun 8, 2026 at 11:14 PM Stephen Hemminger
<[email protected]> wrote:
>
> On Mon, 8 Jun 2026 21:19:20 +0530
> Jerin Jacob <[email protected]> wrote:
>
> > On Mon, Apr 13, 2026 at 10:36 PM Stephen Hemminger
> > <[email protected]> wrote:
> > >
> > > On SMT systems when a spinloop is done without a pause
> > > it may cause excessive latency. This problem was found
> > > by the fix_empty_spinloops coccinelle script.
> > >
> > > Signed-off-by: Stephen Hemminger <[email protected]>
> >
> > rte_pause() translates to YIELD instruction. Since cnxk is an
> > integrated SoC and it is a single threaded core, it won't help on
> > anything other than adding one instruction bit more latency.
> > In general 3/3 devtool is good. Please send a it separate version so
> > that 3/3 patches can be merged through the main tree.
>
>
> It matters if your SOC has SMT where two cores are sharing
> and one core is waiting for its partner.

Yes. As I mentioned earlier, it is not cnxk is not SMT so it will not
be useful for cnxk.

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