netdev - RE: [Intel-wired-lan] [PATCH][net-next] i40e: prefetch struct page of rx buffer conditionally

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Date:   Wed, 8 Jul 2020 20:46:53 +0000
From:   "Bowers, AndrewX" <andrewx.bowers@...el.com>
To:     "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [Intel-wired-lan] [PATCH][net-next] i40e: prefetch struct page of
 rx buffer conditionally

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Li
> RongQing
> Sent: Wednesday, July 1, 2020 11:38 PM
> To: intel-wired-lan@...ts.osuosl.org; netdev@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH][net-next] i40e: prefetch struct page of rx
> buffer conditionally
> 
> page_address() accesses struct page only when WANT_PAGE_VIRTUAL or
> HASHED_PAGE_VIRTUAL is defined, otherwise it returns address based on
> offset, so we prefetch it conditionally
> 
> Signed-off-by: Li RongQing <lirongqing@...du.com>
> ---
>  drivers/net/ethernet/intel/i40e/i40e_txrx.c | 2 ++
>  1 file changed, 2 insertions(+)

Tested-by: Andrew Bowers <andrewx.bowers@...el.com>