linux-kernel - Re: [PATCH for-next] RDMA/hns: Support SRQ record doorbell

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <fd68ff0c-8dcb-d60a-60eb-c4d7d34c4805@hisilicon.com>
Date:   Tue, 26 Sep 2023 18:39:04 +0800
From:   Junxian Huang <huangjunxian6@...ilicon.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     <jgg@...pe.ca>, <linux-rdma@...r.kernel.org>,
        <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH for-next] RDMA/hns: Support SRQ record doorbell



On 2023/9/26 17:30, Leon Romanovsky wrote:
> On Wed, Sep 20, 2023 at 11:30:05AM +0800, Junxian Huang wrote:
>> From: Yangyang Li <liyangyang20@...wei.com>
>>
>> Compared with normal doorbell, using record doorbell can shorten the
>> process of ringing the doorbell and reduce the latency.
>>
>> Add a flag HNS_ROCE_CAP_FLAG_SRQ_RECORD_DB to allow FW to
>> enable/disable SRQ record doorbell.
>>
>> If the flag above is set, allocate the dma buffer for SRQ record
>> doorbell and write the buffer address into SRQC during SRQ creation.
>>
>> For userspace SRQ, add a flag HNS_ROCE_RSP_SRQ_CAP_RECORD_DB to notify
>> userspace whether the SRQ record doorbell is enabled.
>>
>> Signed-off-by: Yangyang Li <liyangyang20@...wei.com>
>> Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
>> ---
>>  drivers/infiniband/hw/hns/hns_roce_device.h |  3 +
>>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c  | 30 ++++++--
>>  drivers/infiniband/hw/hns/hns_roce_srq.c    | 85 ++++++++++++++++++++-
>>  include/uapi/rdma/hns-abi.h                 | 13 +++-
>>  4 files changed, 120 insertions(+), 11 deletions(-)
> 
> Junxian, do you plan to resubmit it this patch to fix kbuild error?
> 
> Thanks

Yes. I'll resubmit soon.