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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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