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From: Jakub Kicinski <kuba@kernel.org>
To: Harry Yoo <harry.yoo@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>,
	Byungchul Park <byungchul@sk.com>,
	willy@infradead.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	kernel_team@skhynix.com, almasrymina@google.com,
	ilias.apalodimas@linaro.org, hawk@kernel.org,
	akpm@linux-foundation.org, davem@davemloft.net,
	john.fastabend@gmail.com, andrew+netdev@lunn.ch,
	asml.silence@gmail.com, toke@redhat.com, tariqt@nvidia.com,
	edumazet@google.com, pabeni@redhat.com, saeedm@nvidia.com,
	leon@kernel.org, ast@kernel.org, daniel@iogearbox.net,
	david@redhat.com, lorenzo.stoakes@oracle.com,
	Liam.Howlett@oracle.com, rppt@kernel.org, surenb@google.com,
	mhocko@suse.com, horms@kernel.org, linux-rdma@vger.kernel.org,
	bpf@vger.kernel.org, vishal.moola@gmail.com, hannes@cmpxchg.org,
	ziy@nvidia.com, jackmanb@google.com
Subject: Re: [PATCH net-next v7 1/7] netmem: introduce struct netmem_desc mirroring struct page
Date: Mon, 14 Jul 2025 18:47:43 -0700	[thread overview]
Message-ID: <20250714184743.4acd7ead@kernel.org> (raw)
In-Reply-To: <aHUMwHft71cB8PFY@hyeyoo>

On Mon, 14 Jul 2025 22:58:31 +0900 Harry Yoo wrote:
> > > Could you please share your thoughts on why it's hard to judge them and
> > > what's missing from the series, such as in the comments, changelog, or
> > > the cover letter?  

My main concern (as shared on earlier revisions) is the type hierarchy
exposed to the drivers. Converting things back and forth or blindly
downcasting to netmem and upcasting back to the CPU-readable type is
no good.

  reply	other threads:[~2025-07-15  1:47 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-25  4:33 [PATCH net-next v7 0/7] Split netmem from struct page Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 1/7] netmem: introduce struct netmem_desc mirroring " Byungchul Park
2025-06-27  0:49   ` Jakub Kicinski
2025-06-27  3:54     ` Byungchul Park
2025-06-28  0:37       ` Jakub Kicinski
2025-06-29 23:34         ` Harry Yoo
2025-07-01 23:45           ` Jakub Kicinski
2025-07-07  0:21             ` Byungchul Park
2025-07-07 18:42               ` Jakub Kicinski
2025-07-14  9:42             ` Harry Yoo
2025-07-14 13:24               ` Vlastimil Babka
2025-07-14 13:58                 ` Harry Yoo
2025-07-15  1:47                   ` Jakub Kicinski [this message]
2025-07-15  2:08                     ` Byungchul Park
2025-07-15 10:23                     ` Pavel Begunkov
2025-06-25  4:33 ` [PATCH net-next v7 2/7] page_pool: rename page_pool_return_page() to page_pool_return_netmem() Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 3/7] page_pool: rename __page_pool_release_page_dma() to __page_pool_release_netmem_dma() Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 4/7] page_pool: rename __page_pool_alloc_pages_slow() to __page_pool_alloc_netmems_slow() Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 5/7] netmem: use _Generic to cover const casting for page_to_netmem() Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 6/7] page_pool: make page_pool_get_dma_addr() just wrap page_pool_get_dma_addr_netmem() Byungchul Park
2025-06-25  4:33 ` [PATCH net-next v7 7/7] netmem: introduce a netmem API, virt_to_head_netmem() Byungchul Park
2025-06-27  0:49   ` Jakub Kicinski
2025-06-26  6:41 ` [PATCH net-next v7 0/7] Split netmem from struct page Byungchul Park
2025-06-27  0:50   ` Jakub Kicinski

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