From: Jason Gunthorpe <jgg@ziepe.ca>
To: "Zhijian Li (Fujitsu)" <lizhijian@fujitsu.com>
Cc: Zhu Yanjun <yanjun.zhu@linux.dev>,
"zyjzyj2000@gmail.com" <zyjzyj2000@gmail.com>,
"leon@kernel.org" <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"rpearsonhpe@gmail.com" <rpearsonhpe@gmail.com>,
"Daisuke Matsuda (Fujitsu)" <matsuda-daisuke@fujitsu.com>,
"bvanassche@acm.org" <bvanassche@acm.org>,
"yi.zhang@redhat.com" <yi.zhang@redhat.com>
Subject: Re: [PATCH RFC V2 0/6] rxe_map_mr_sg() fix cleanup and refactor
Date: Mon, 6 Nov 2023 10:13:54 -0400 [thread overview]
Message-ID: <20231106141354.GK4634@ziepe.ca> (raw)
In-Reply-To: <a256a01d-1572-427a-80df-46f2079af967@fujitsu.com>
On Mon, Nov 06, 2023 at 04:07:19AM +0000, Zhijian Li (Fujitsu) wrote:
> I'm sorry i'm not familiar with the linux MM subsystem. It seem it's safe/correct to access
> address/memory across pages start from the return of
> kmap_loca_page(page).
kmap_local_page() gives you a PAGE_SIZE window only
Jason
next prev parent reply other threads:[~2023-11-06 14:14 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 9:55 [PATCH RFC V2 0/6] rxe_map_mr_sg() fix cleanup and refactor Li Zhijian
2023-11-03 9:55 ` [PATCH RFC V2 1/6] RDMA/rxe: RDMA/rxe: don't allow registering !PAGE_SIZE mr Li Zhijian
2023-11-03 10:14 ` Greg Sword
2023-11-03 9:55 ` [PATCH RFC V2 2/6] RDMA/rxe: set RXE_PAGE_SIZE_CAP to PAGE_SIZE Li Zhijian
2023-11-03 9:55 ` [PATCH RFC V2 3/6] RDMA/rxe: remove unused rxe_mr.page_shift Li Zhijian
2023-11-03 9:55 ` [PATCH RFC V2 4/6] RDMA/rxe: Use PAGE_SIZE and PAGE_SHIFT to extract address from page_list Li Zhijian
2023-11-03 17:59 ` Jason Gunthorpe
2023-11-03 9:55 ` [PATCH RFC V2 5/6] RDMA/rxe: cleanup rxe_mr.{page_size,page_shift} Li Zhijian
2023-11-03 9:55 ` [PATCH RFC V2 6/6] RDMA/rxe: Support PAGE_SIZE aligned MR Li Zhijian
2023-11-03 15:04 ` Bart Van Assche
2023-11-06 3:07 ` Zhijian Li (Fujitsu)
2023-11-03 10:17 ` [PATCH RFC V2 0/6] rxe_map_mr_sg() fix cleanup and refactor Greg Sword
2023-11-06 3:46 ` Zhijian Li (Fujitsu)
2023-11-03 13:00 ` Zhu Yanjun
2023-11-06 4:07 ` Zhijian Li (Fujitsu)
2023-11-06 13:58 ` Zhu Yanjun
2023-11-09 2:24 ` Zhijian Li (Fujitsu)
2023-11-09 6:36 ` Zhu Yanjun
2023-11-09 7:16 ` Greg Sword
2023-11-09 7:26 ` Zhijian Li (Fujitsu)
2023-11-09 13:10 ` Jason Gunthorpe
2023-11-06 14:13 ` Jason Gunthorpe [this message]
2023-11-06 7:59 ` Zhijian Li (Fujitsu)
2023-11-06 9:35 ` Greg Sword
2023-11-06 9:55 ` Zhijian Li (Fujitsu)
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