Re: [dpdk-dev] [PATCH v4 13/14] vhost: check whether disable software pre-fetch

2019-10-13 Thread Liu, Yong
> -Original Message- > From: Maxime Coquelin [mailto:maxime.coque...@redhat.com] > Sent: Friday, October 11, 2019 10:12 PM > To: Liu, Yong ; Bie, Tiwei ; Wang, > Zhihong ; step...@networkplumber.org; > gavin...@arm.com > Cc: dev@dpdk.org > Subject: Re: [PATCH v4 13/14] vhost: check whethe

Re: [dpdk-dev] [PATCH v4 13/14] vhost: check whether disable software pre-fetch

2019-10-11 Thread Maxime Coquelin
On 10/9/19 3:38 PM, Marvin Liu wrote: > Disable software pre-fetch actions on Skylake and later platforms. > Hardware can fetch needed data for vhost, additional software pre-fetch > will impact performance. > > Signed-off-by: Marvin Liu > > diff --git a/lib/librte_vhost/Makefile b/lib/librte

[dpdk-dev] [PATCH v4 13/14] vhost: check whether disable software pre-fetch

2019-10-08 Thread Marvin Liu
Disable software pre-fetch actions on Skylake and later platforms. Hardware can fetch needed data for vhost, additional software pre-fetch will impact performance. Signed-off-by: Marvin Liu diff --git a/lib/librte_vhost/Makefile b/lib/librte_vhost/Makefile index 30839a001..5f3b42e56 100644 --- a