rnel.org;
> > da...@davemloft.net; magnus.karls...@intel.com; net...@vger.kernel.org;
> > linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> > virtualizat...@lists.linux.dev; xudingke
> > Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
rnel.org;
> > da...@davemloft.net; magnus.karls...@intel.com; net...@vger.kernel.org;
> > linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> > virtualizat...@lists.linux.dev; xudingke
> > Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
ernel.org;
> linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> virtualizat...@lists.linux.dev; xudingke
> Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
> On Thu, Jan 25, 2024 at 8:54 PM wangyunjian
> wrote:
> >
> >
> >
> > >
ernel.org;
> linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> virtualizat...@lists.linux.dev; xudingke
> Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
> On Sat, Jan 27, 2024 at 5:34 PM wangyunjian
> wrote:
> >
> > > > -Origin
uijn.ker...@gmail.com; k...@kernel.org;
> > > da...@davemloft.net; magnus.karls...@intel.com;
> > > net...@vger.kernel.org; linux-kernel@vger.kernel.org;
> > > k...@vger.kernel.org; virtualizat...@lists.linux.dev; xudingke
> > >
> > > Subject: Re: [PAT
r...@gmail.com; k...@kernel.org;
> > da...@davemloft.net; magnus.karls...@intel.com; net...@vger.kernel.org;
> > linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> > virtualizat...@lists.linux.dev; xudingke
> > Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
Hi Yunjian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url:
https://github.com/intel-lab-lkp/linux/commits/Yunjian-Wang/xsk-Remove-non-zero-dma_page-check-in-xp_assign_dev/20240124-174011
base: net-next/main
patch link:
Hi Yunjian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url:
https://github.com/intel-lab-lkp/linux/commits/Yunjian-Wang/xsk-Remove-non-zero-dma_page-check-in-xp_assign_dev/20240124-174011
base: net-next/main
patch link:
Hi Yunjian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url:
https://github.com/intel-lab-lkp/linux/commits/Yunjian-Wang/xsk-Remove-non-zero-dma_page-check-in-xp_assign_dev/20240124-174011
base: net-next/main
patch link:
; magnus.karls...@intel.com;
> > net...@vger.kernel.org; linux-kernel@vger.kernel.org;
> > k...@vger.kernel.org; virtualizat...@lists.linux.dev; xudingke
> >
> > Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
> >
> > On Wed, Jan 24, 2024 at 5:38 PM Yunjian W
ernel.org;
> linux-kernel@vger.kernel.org; k...@vger.kernel.org;
> virtualizat...@lists.linux.dev; xudingke
> Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
> On Wed, Jan 24, 2024 at 5:38 PM Yunjian Wang
> wrote:
> >
> > Now the zero-co
karls...@intel.com
> Cc: net...@vger.kernel.org; linux-kernel@vger.kernel.org;
> k...@vger.kernel.org; virtualizat...@lists.linux.dev; xudingke
> ; wangyunjian
> Subject: Re: [PATCH net-next 2/2] tun: AF_XDP Rx zero-copy support
>
> Yunjian Wang wrote:
> > Now the zero-
On Wed, Jan 24, 2024 at 5:38 PM Yunjian Wang wrote:
>
> Now the zero-copy feature of AF_XDP socket is supported by some
> drivers, which can reduce CPU utilization on the xdp program.
> This patch set allows tun to support AF_XDP Rx zero-copy feature.
>
> This patch tries to address this by:
> -
On Thu, Jan 25, 2024 at 3:05 AM Willem de Bruijn
wrote:
>
> Yunjian Wang wrote:
> > Now the zero-copy feature of AF_XDP socket is supported by some
> > drivers, which can reduce CPU utilization on the xdp program.
> > This patch set allows tun to support AF_XDP Rx zero-copy feature.
> >
> > This
Yunjian Wang wrote:
> Now the zero-copy feature of AF_XDP socket is supported by some
> drivers, which can reduce CPU utilization on the xdp program.
> This patch set allows tun to support AF_XDP Rx zero-copy feature.
>
> This patch tries to address this by:
> - Use peek_len to consume a
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