[dpdk-dev] [PATCH] config: enable packet prefetching with Meson

Bruce Richardson bruce.richardson at intel.com
Fri Nov 13 16:05:23 CET 2020


On Fri, Nov 13, 2020 at 03:52:12PM +0100, Maxime Coquelin wrote:
> With Make build system, RTE_PMD_PACKET_PREFETCH was enabled
> by default. It got lost when transitioning to Meson build
> system.
> 
> In order to avoid performance changes, this patch enables
> packet prefetching in rte_config.h.
> 
> Reported-by: Marvin Liu <yong.liu at intel.com>
> Suggested-by: David Marchand <david.marchand at redhat.com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> ---
> 
> Hi Bruce,
> 
> We were not sure whether adding below Fixes tag so that it is
> backported to LTSes. What do you think?
> 
> Fixes: 9314afb68a53 ("drivers: add infrastructure for meson build")
> Cc: stable at dpdk.org
> 
>  config/rte_config.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
I view it as a gap in the transition from make to meson, so +1 for
adding these. Stable maintainers can then decide themselves on whether to
accept the patch or not.

/Bruce


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