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From: Jakub Kicinski <kuba@kernel.org>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: "Andrew Lunn" <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Jose E. Marchesi" <jose.marchesi@oracle.com>,
	"Toke Høiland-Jørgensen" <toke@redhat.com>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>,
	"Maciej Fijalkowski" <maciej.fijalkowski@intel.com>,
	"Przemek Kitszel" <przemyslaw.kitszel@intel.com>,
	"Jason Baron" <jbaron@akamai.com>,
	"Casey Schaufler" <casey@schaufler-ca.com>,
	"Nathan Chancellor" <nathan@kernel.org>,
	bpf@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 6/7] xsk: add helper to get &xdp_desc's DMA and meta pointer in one go
Date: Thu, 19 Dec 2024 19:50:58 -0800	[thread overview]
Message-ID: <20241219195058.7910c10a@kernel.org> (raw)
In-Reply-To: <20241218174435.1445282-7-aleksander.lobakin@intel.com>

On Wed, 18 Dec 2024 18:44:34 +0100 Alexander Lobakin wrote:
> +	ret = (typeof(ret)){
> +		/* Same logic as in xp_raw_get_dma() */
> +		.dma	= (pool->dma_pages[addr >> PAGE_SHIFT] &
> +			   ~XSK_NEXT_PG_CONTIG_MASK) + (addr & ~PAGE_MASK),
> +	};

This is quite ugly IMHO

  reply	other threads:[~2024-12-20  3:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-18 17:44 [PATCH net-next 0/7] xdp: a fistful of generic changes pt. III Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 1/7] page_pool: add page_pool_dev_alloc_netmem() Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 2/7] xdp: add generic xdp_buff_add_frag() Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 3/7] xdp: add generic xdp_build_skb_from_buff() Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 4/7] xsk: make xsk_buff_add_frag() really add the frag via __xdp_buff_add_frag() Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 5/7] xsk: add generic XSk &xdp_buff -> skb conversion Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 6/7] xsk: add helper to get &xdp_desc's DMA and meta pointer in one go Alexander Lobakin
2024-12-20  3:50   ` Jakub Kicinski [this message]
2024-12-20 15:58     ` Alexander Lobakin
2024-12-20 17:26       ` Jakub Kicinski
2024-12-23 13:50         ` Alexander Lobakin
2024-12-18 17:44 ` [PATCH net-next 7/7] unroll: add generic loop unroll helpers Alexander Lobakin
2024-12-20  4:00 ` [PATCH net-next 0/7] xdp: a fistful of generic changes pt. III patchwork-bot+netdevbpf

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