From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
To: Alessandro Decina <alessandro.d@gmail.com>
Cc: <netdev@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>,
"Alexei Starovoitov" <ast@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"Daniel Borkmann" <daniel@iogearbox.net>,
Eric Dumazet <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
Jesper Dangaard Brouer <hawk@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
Paolo Abeni <pabeni@redhat.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Tirthendu Sarkar <tirthendu.sarkar@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>, <bpf@vger.kernel.org>,
<intel-wired-lan@lists.osuosl.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net v3 1/1] i40e: xsk: advance next_to_clean on status descriptors
Date: Tue, 18 Nov 2025 09:04:58 +0100 [thread overview]
Message-ID: <aRwoqgw1KFX+H6ci@boxer> (raw)
In-Reply-To: <aRwUGnyFBxrkjGl7@lima-default>
On Tue, Nov 18, 2025 at 05:37:14PM +1100, Alessandro Decina wrote:
> On Mon, Nov 17, 2025 at 05:37:49PM +0100, Maciej Fijalkowski wrote:
> > This revision is much more clear to me. Only thing that might be bothering
> > someone is doubled i40e_rx_bi() call in i40e_get_rx_buffer(). Not sure if
> > we can do about it though as we need to use ntp from before potential
> > increment.
> >
> > ...maybe pass rx_buffer to i40e_get_rx_buffer() ?
>
> Surely the compiler isn't going to actually reload here, but yeah not
> great code wise. How about I pass it the buffer and rename to
> i40e_prepare_rx_buffer to better match what's happening now?
SGTM!
>
WARNING: multiple messages have this Message-ID (diff)
From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
To: Alessandro Decina <alessandro.d@gmail.com>
Cc: <netdev@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>,
"Alexei Starovoitov" <ast@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"Daniel Borkmann" <daniel@iogearbox.net>,
Eric Dumazet <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
Jesper Dangaard Brouer <hawk@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
Paolo Abeni <pabeni@redhat.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Tirthendu Sarkar <tirthendu.sarkar@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>, <bpf@vger.kernel.org>,
<intel-wired-lan@lists.osuosl.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [Intel-wired-lan] [PATCH net v3 1/1] i40e: xsk: advance next_to_clean on status descriptors
Date: Tue, 18 Nov 2025 09:04:58 +0100 [thread overview]
Message-ID: <aRwoqgw1KFX+H6ci@boxer> (raw)
In-Reply-To: <aRwUGnyFBxrkjGl7@lima-default>
On Tue, Nov 18, 2025 at 05:37:14PM +1100, Alessandro Decina wrote:
> On Mon, Nov 17, 2025 at 05:37:49PM +0100, Maciej Fijalkowski wrote:
> > This revision is much more clear to me. Only thing that might be bothering
> > someone is doubled i40e_rx_bi() call in i40e_get_rx_buffer(). Not sure if
> > we can do about it though as we need to use ntp from before potential
> > increment.
> >
> > ...maybe pass rx_buffer to i40e_get_rx_buffer() ?
>
> Surely the compiler isn't going to actually reload here, but yeah not
> great code wise. How about I pass it the buffer and rename to
> i40e_prepare_rx_buffer to better match what's happening now?
SGTM!
>
next prev parent reply other threads:[~2025-11-18 8:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-13 8:24 [PATCH net v3 0/1] i40e: xsk: advance next_to_clean on status descriptors Alessandro Decina
2025-11-13 8:24 ` [Intel-wired-lan] " Alessandro Decina
2025-11-13 8:24 ` [PATCH net v3 1/1] " Alessandro Decina
2025-11-13 8:24 ` [Intel-wired-lan] " Alessandro Decina
2025-11-14 5:49 ` Loktionov, Aleksandr
2025-11-14 5:49 ` Loktionov, Aleksandr
2025-11-14 13:01 ` Maciej Fijalkowski
2025-11-14 13:01 ` [Intel-wired-lan] " Maciej Fijalkowski
2025-11-15 7:58 ` Alessandro Decina
2025-11-15 7:58 ` [Intel-wired-lan] " Alessandro Decina
2025-11-17 16:37 ` Maciej Fijalkowski
2025-11-17 16:37 ` [Intel-wired-lan] " Maciej Fijalkowski
2025-11-18 6:37 ` Alessandro Decina
2025-11-18 6:37 ` [Intel-wired-lan] " Alessandro Decina
2025-11-18 8:04 ` Maciej Fijalkowski [this message]
2025-11-18 8:04 ` Maciej Fijalkowski
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