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From: "Liu, Yong" <yong.liu@intel.com>
To: David Marchand <david.marchand@redhat.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	"stephen@networkplumber.org" <stephen@networkplumber.org>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
	"Xia, Chenbo" <chenbo.xia@intel.com>, dev <dev@dpdk.org>,
	"Richardson, Bruce" <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/virtio: enable packet data prefetch on x86
Date: Fri, 13 Nov 2020 12:21:52 +0000	[thread overview]
Message-ID: <675c78af209e46a39db6294a8b5af16c@intel.com> (raw)
In-Reply-To: <CAJFAV8z3fFZLVfY-6Fg57YhZJTOtjKAnRgkcZy0D1MiuOMSxVQ@mail.gmail.com>

+ more people into this conversation.  IMHO, restore to previous state is the best choice by now.

> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Friday, November 13, 2020 3:27 PM
> To: Liu, Yong <yong.liu@intel.com>
> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>; Xia, Chenbo
> <chenbo.xia@intel.com>; dev <dev@dpdk.org>; Richardson, Bruce
> <bruce.richardson@intel.com>
> Subject: Re: [dpdk-dev] [PATCH] net/virtio: enable packet data prefetch on
> x86
> 
> On Fri, Nov 13, 2020 at 2:20 AM Liu, Yong <yong.liu@intel.com> wrote:
> > > Yes and this will also solve https://patchwork.dpdk.org/patch/83468/.
> > > Thanks.
> > >
> >
> > Agreed, original patch was intended to recover prefetch configuration in
> meson build.
> > Please check http://patchwork.dpdk.org/patch/78451/.
> > And it leaded a discussion about how to utilize prefetch function
> optimally.
> > Due to no conclusion for current position is best for other platforms
> except x86, now only enable prefetch in virtio + x86.
> 
> I disagree.
> No conclusion means the best is to restore the previous state, i.e.
> enable this option for all platforms.
> 
> If later other architectures want to change this, this can revisit.
> 
> 
> --
> David Marchand


      reply	other threads:[~2020-11-13 12:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-11 15:40 Marvin Liu
2020-11-11 15:45 ` David Marchand
2020-11-11 15:53   ` Bruce Richardson
2020-11-11 15:56     ` David Marchand
2020-11-12  8:48 ` Maxime Coquelin
2020-11-12  8:57   ` David Marchand
2020-11-13  1:20     ` Liu, Yong
2020-11-13  7:27       ` David Marchand
2020-11-13 12:21         ` Liu, Yong [this message]

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