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From: Zhu Yanjun <yanjun.zhu@linux.dev>
To: Li Zhijian <lizhijian@fujitsu.com>,
	zyjzyj2000@gmail.com, jgg@ziepe.ca, leon@kernel.org,
	linux-rdma@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, rpearsonhpe@gmail.com,
	matsuda-daisuke@fujitsu.com, bvanassche@acm.org
Subject: Re: [PATCH RFC 2/2] RDMA/rxe: set RXE_PAGE_SIZE_CAP to PAGE_SIZE
Date: Sat, 28 Oct 2023 11:52:40 +0800	[thread overview]
Message-ID: <5bbc6456-160d-4566-87ca-13984d795c6a@linux.dev> (raw)
In-Reply-To: <20231027054154.2935054-2-lizhijian@fujitsu.com>

在 2023/10/27 13:41, Li Zhijian 写道:
> RXE_PAGE_SIZE_CAP means the MR page size supported by RXE. However
> in current RXE implementation, only PAGE_SIZE MR works well.
> So change it to PAGE_SIZE only.
> 
> ULPs such as SRP calculating the page size according to this attribute get
> worked again with this change.
> 
> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>

Thanks a lot.
Zhu Yanjun

> ---
>   drivers/infiniband/sw/rxe/rxe_param.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
> index d2f57ead78ad..b1cf1e1c0ce1 100644
> --- a/drivers/infiniband/sw/rxe/rxe_param.h
> +++ b/drivers/infiniband/sw/rxe/rxe_param.h
> @@ -38,7 +38,7 @@ static inline enum ib_mtu eth_mtu_int_to_enum(int mtu)
>   /* default/initial rxe device parameter settings */
>   enum rxe_device_param {
>   	RXE_MAX_MR_SIZE			= -1ull,
> -	RXE_PAGE_SIZE_CAP		= 0xfffff000,
> +	RXE_PAGE_SIZE_CAP		= PAGE_SIZE,
>   	RXE_MAX_QP_WR			= DEFAULT_MAX_VALUE,
>   	RXE_DEVICE_CAP_FLAGS		= IB_DEVICE_BAD_PKEY_CNTR
>   					| IB_DEVICE_BAD_QKEY_CNTR


  parent reply	other threads:[~2023-10-28  4:40 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-27  5:41 [PATCH RFC 1/2] RDMA/rxe: don't allow registering !PAGE_SIZE mr Li Zhijian
2023-10-27  5:41 ` [PATCH RFC 2/2] RDMA/rxe: set RXE_PAGE_SIZE_CAP to PAGE_SIZE Li Zhijian
2023-10-27 21:47   ` Bart Van Assche
2023-10-28  3:52   ` Zhu Yanjun [this message]
2023-10-27  8:17 ` [PATCH RFC 1/2] RDMA/rxe: don't allow registering !PAGE_SIZE mr Zhu Yanjun
2023-10-27 21:46   ` Bart Van Assche
2023-10-28  2:48     ` Zhu Yanjun
2023-10-28 23:07       ` Bart Van Assche
2023-10-29  3:22         ` Zhu Yanjun
2023-10-30  8:13   ` Zhijian Li (Fujitsu)
2023-10-30  9:43     ` Zhu Yanjun
2023-10-30  7:51 ` Zhijian Li (Fujitsu)
2023-10-30 12:40   ` Jason Gunthorpe
2023-10-31  8:52     ` Zhu Yanjun
2023-10-31 13:19       ` Jason Gunthorpe
2023-11-01  0:58         ` Greg Sword
2023-10-31  9:59     ` Zhijian Li (Fujitsu)

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