From: Jason Gunthorpe <jgg@nvidia.com>
To: Li Zhijian <lizhijian@fujitsu.com>
Cc: Zhu Yanjun <zyjzyj2000@gmail.com>,
Leon Romanovsky <leon@kernel.org>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [for-next PATCH 4/5] RDMA/rxe: refactor iova_to_vaddr
Date: Fri, 18 Nov 2022 13:33:30 -0400 [thread overview]
Message-ID: <Y3fB6jhde7hpIm5/@nvidia.com> (raw)
In-Reply-To: <1668141030-2-5-git-send-email-lizhijian@fujitsu.com>
On Fri, Nov 11, 2022 at 04:30:29AM +0000, Li Zhijian wrote:
> diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
> index acab785ba7e2..6080a4b32f09 100644
> --- a/drivers/infiniband/sw/rxe/rxe_verbs.h
> +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
> @@ -280,7 +280,10 @@ enum rxe_mr_lookup_type {
> #define RXE_BUF_PER_MAP (PAGE_SIZE / sizeof(struct rxe_phys_buf))
>
> struct rxe_phys_buf {
> - u64 addr;
> + union {
> + u64 addr; /* IB_MR_TYPE_MEM_REG */
> + struct page *page; /* IB_MR_TYPE_USER */
> + };
Everything rxe handles is a struct page, even the kernel
registrations.
Jason
next prev parent reply other threads:[~2022-11-18 17:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-11 4:30 [for-next PATCH 0/5] iova_to_vaddr refactor Li Zhijian
2022-11-11 4:30 ` [for-next PATCH 1/5] RDMA/rxe: Remove rxe_phys_buf.size Li Zhijian
2022-11-18 16:38 ` Jason Gunthorpe
2022-11-11 4:30 ` [for-next PATCH 2/5] RDMA/rxe: use iova_to_vaddr to transform iova for rxe_mr_copy Li Zhijian
2022-11-18 16:41 ` Jason Gunthorpe
2022-11-11 4:30 ` [for-next PATCH 3/5] RDMA/rxe: iova_to_vaddr cleanup Li Zhijian
2022-11-11 4:30 ` [for-next PATCH 4/5] RDMA/rxe: refactor iova_to_vaddr Li Zhijian
2022-11-16 12:37 ` Fabio M. De Francesco
2022-11-18 1:32 ` lizhijian
2022-11-21 18:53 ` Jason Gunthorpe
2022-11-22 23:24 ` Fabio M. De Francesco
2022-11-22 23:55 ` Fabio M. De Francesco
2022-11-16 12:49 ` Fabio M. De Francesco
2022-11-18 17:33 ` Jason Gunthorpe [this message]
2022-11-11 4:32 ` [for-next PATCH 5/5] RDMA/rxe: Rename iova_to_vaddr to rxe_map_iova Li Zhijian
2022-11-11 6:13 ` [for-next PATCH 0/5] iova_to_vaddr refactor lizhijian
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