From: Leon Romanovsky <leon@kernel.org>
To: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
Cc: dledford@redhat.com, linux-rdma@vger.kernel.org,
lijun_nudt@163.com, oulijun@huawei.com,
charles.chenxin@huawei.com, liuyixian@huawei.com,
xushaobo2@huawei.com, zhangxiping3@huawei.com,
xavier.huwei@tom.com, linuxarm@huawei.com,
linux-kernel@vger.kernel.org, shaobohsu@163.com
Subject: Re: [PATCH for-next 8/9] RDMA/hns: Remove unused struct members in hns-abi.h
Date: Thu, 28 Sep 2017 12:02:03 +0300 [thread overview]
Message-ID: <20170928090203.GS2297@mtr-leonro.local> (raw)
In-Reply-To: <1506574654-56699-9-git-send-email-xavier.huwei@huawei.com>
[-- Attachment #1: Type: text/plain, Size: 1402 bytes --]
On Thu, Sep 28, 2017 at 12:57:33PM +0800, Wei Hu (Xavier) wrote:
> From: Lijun Ou <oulijun@huawei.com>
>
> This patch mainly deletes some unused struct members for
> hns_roce_ib_create_qp in order to match libhns, because
> the num of struct members of hns_roce_ib_create_qp must
> be the same with hns_roce_create_qp in libhns.
>
> Signed-off-by: Lijun Ou <oulijun@huawei.com>
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
> Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
> ---
> include/uapi/rdma/hns-abi.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h
> index 5d74019..79251b6 100644
> --- a/include/uapi/rdma/hns-abi.h
> +++ b/include/uapi/rdma/hns-abi.h
> @@ -41,10 +41,8 @@ struct hns_roce_ib_create_cq {
>
> struct hns_roce_ib_create_qp {
> __u64 buf_addr;
> - __u64 db_addr;
> __u8 log_sq_bb_count;
> __u8 log_sq_stride;
> - __u8 sq_no_prefetch;
> __u8 reserved[5];
> };
It is classical UAPI breakage which kernel tries to avoid.
In RDMA, we do allow rename of fields from reserved to something, but
don't allow binary layout change.
NAK to this change.
Thanks
>
> --
> 1.9.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2017-09-28 9:02 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 4:57 [PATCH for-next 0/9] Bug fixes & Code improvements in hip06 and hip08 RoCE driver Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 1/9] RDMA/hns: Modify the value with rd&dest_rd of qp_attr Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 2/9] RDMA/hns: Factor out the code for checking sdb status into a new function Wei Hu (Xavier)
2017-09-28 13:50 ` Leon Romanovsky
2017-09-29 2:05 ` Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 3/9] RDMA/hns: Add return statement when kzalloc return NULL in hns_roce_v1_recreate_lp_qp Wei Hu (Xavier)
2017-09-28 9:13 ` Leon Romanovsky
2017-09-28 11:56 ` Wei Hu (Xavier)
2017-09-28 12:59 ` Leon Romanovsky
2017-09-29 6:07 ` Wei Hu (Xavier)
2017-09-29 10:23 ` Leon Romanovsky
2017-09-29 13:15 ` Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 4/9] RDMA/hns: Set mask for destination qp field of qp context assignment Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 5/9] RDMA/hns: Set rdma_ah_attr type for querying qp Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 6/9] RDMA/hns: Add return statement when checking error in hns_roce_v1_mr_free_work_fn Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 7/9] RDMA/hns: Remove unnecessarily calling unregister_inetaddr_notifier function Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 8/9] RDMA/hns: Remove unused struct members in hns-abi.h Wei Hu (Xavier)
2017-09-28 9:02 ` Leon Romanovsky [this message]
2017-09-28 11:56 ` Wei Hu (Xavier)
2017-09-28 13:04 ` Leon Romanovsky
2017-09-28 16:12 ` Wei Hu (Xavier)
2017-09-28 4:57 ` [PATCH for-next 9/9] RDMA/hns: Replace usleep_range with udelay when checking command status Wei Hu (Xavier)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170928090203.GS2297@mtr-leonro.local \
--to=leon@kernel.org \
--cc=charles.chenxin@huawei.com \
--cc=dledford@redhat.com \
--cc=lijun_nudt@163.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=linuxarm@huawei.com \
--cc=liuyixian@huawei.com \
--cc=oulijun@huawei.com \
--cc=shaobohsu@163.com \
--cc=xavier.huwei@huawei.com \
--cc=xavier.huwei@tom.com \
--cc=xushaobo2@huawei.com \
--cc=zhangxiping3@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).