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From: Byungchul Park <byungchul@sk.com>
To: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: netdev@vger.kernel.org, kuba@kernel.org,
	linux-kernel@vger.kernel.org, kernel_team@skhynix.com,
	harry.yoo@oracle.com, david@redhat.com, willy@infradead.org,
	toke@redhat.com, asml.silence@gmail.com, almasrymina@google.com,
	przemyslaw.kitszel@intel.com, andrew+netdev@lunn.ch,
	davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
	intel-wired-lan@lists.osuosl.org
Subject: Re: [RESEND PATCH] ice: access @pp through netmem_desc instead of page
Date: Tue, 31 Mar 2026 17:11:45 +0900	[thread overview]
Message-ID: <20260331081145.GA54972@system.software.com> (raw)
In-Reply-To: <af90b7e6-de47-485d-9e1b-31612456ef9c@intel.com>

On Thu, Feb 26, 2026 at 10:13:14AM -0800, Tony Nguyen wrote:
> On 2/25/2026 5:08 PM, Byungchul Park wrote:
> > On Tue, Feb 24, 2026 at 02:35:46PM +0900, Byungchul Park wrote:
> > > To eliminate the use of struct page in page pool, the page pool users
> > > should use netmem descriptor and APIs instead.
> > > 
> > > Make ice driver access @pp through netmem_desc instead of page.
> > 
> > Hi Tony and Przemek,
> > 
> > Is there something that I'm missing or something wrong with this?  Your
> > feedback would be appreciated.  Thanks!
> 
> Hi Byungchul,
> 
> Nothing wrong. I plan to apply it today.

Hi Tony,

Sorry bothering you but could you tell me where I can see the patch
ready in a tree, maybe yours?  I failed to locate it.

This patch is very important for the project removing pp fields from
struct page to go ahead.  Thanks in advance.

	Byungchul

> Thanks,
> Tony
> 
> >       Byungchul
> > 
> > > Signed-off-by: Byungchul Park <byungchul@sk.com>
> > > ---
> > >   drivers/net/ethernet/intel/ice/ice_ethtool.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> > > index c6bc29cfb8e6..c16e54dbe75b 100644
> > > --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
> > > +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> > > @@ -1251,7 +1251,7 @@ static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
> > >              rx_buf = &rx_ring->rx_fqes[i];
> > >              page = __netmem_to_page(rx_buf->netmem);
> > >              received_buf = page_address(page) + rx_buf->offset +
> > > -                           page->pp->p.offset;
> > > +                           pp_page_to_nmdesc(page)->pp->p.offset;
> > > 
> > >              if (ice_lbtest_check_frame(received_buf))
> > >                      valid_frames++;
> > > --
> > > 2.17.1

  reply	other threads:[~2026-03-31  8:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-24  5:35 [RESEND PATCH] ice: access @pp through netmem_desc instead of page Byungchul Park
2026-02-26  1:08 ` Byungchul Park
2026-02-26 18:13   ` Tony Nguyen
2026-03-31  8:11     ` Byungchul Park [this message]
2026-03-31 17:08       ` Tony Nguyen
2026-04-01  3:53 ` [Intel-wired-lan] " Nowlin, Alexander
2026-04-01  4:44 ` Rinitha, SX
2026-04-01  7:24 ` David Hildenbrand (Arm)

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