[dpdk-dev] [PATCH v9] eal: add cache-line demote support

David Marchand david.marchand at redhat.com
Fri Oct 16 14:14:05 CEST 2020


On Fri, Oct 16, 2020 at 8:24 AM Omkar Maslekar <omkar.maslekar at intel.com> wrote:
>
> rte_cldemote is similar to a prefetch hint - in reverse. cldemote(addr)
> enables software to hint to hardware that line is likely to be shared.
> Useful in core-to-core communications where cache-line is likely to be
> shared. ARM and PPC implementation is provided with NOP and can be added
> if any equivalent instructions could be used for implementation on those
> architectures.
>
> Signed-off-by: Omkar Maslekar <omkar.maslekar at intel.com>
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> Acked-by: David Christensen <drc at linux.vnet.ibm.com>
> Acked-by: Jerin Jacob <jerinj at marvell.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>

Applied, thanks Omkar.


-- 
David Marchand



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