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Message-ID: <5bbc6456-160d-4566-87ca-13984d795c6a@linux.dev>
Date:   Sat, 28 Oct 2023 11:52:40 +0800
From:   Zhu Yanjun <yanjun.zhu@...ux.dev>
To:     Li Zhijian <lizhijian@...itsu.com>, zyjzyj2000@...il.com,
        jgg@...pe.ca, leon@...nel.org, linux-rdma@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, rpearsonhpe@...il.com,
        matsuda-daisuke@...itsu.com, bvanassche@....org
Subject: Re: [PATCH RFC 2/2] RDMA/rxe: set RXE_PAGE_SIZE_CAP to PAGE_SIZE

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@...itsu.com>
Acked-by: Zhu Yanjun <zyjzyj2000@...il.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

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