From: Jason Gunthorpe <jgg@nvidia.com>
To: Wenpeng Liang <liangwenpeng@huawei.com>
Cc: leon@kernel.org, linux-rdma@vger.kernel.org, linuxarm@huawei.com
Subject: Re: [Resend][PATCH v2 for-next] RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT
Date: Tue, 15 Mar 2022 20:20:14 -0300 [thread overview]
Message-ID: <20220315232014.GA263532@nvidia.com> (raw)
In-Reply-To: <20220310042835.38634-1-liangwenpeng@huawei.com>
On Thu, Mar 10, 2022 at 12:28:35PM +0800, Wenpeng Liang wrote:
> From: Yixing Liu <liuyixing1@huawei.com>
>
> Before destroying MPT, the reserved loopback QPs send loopback IOs (one
> write operation per SL). Completing these loopback IOs represents that
> there isn't any outstanding request in MPT, then it's safe to destroy MPT.
>
> Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
> ---
>
> Changes since v1:
> * Allocate all reserved resources in one function.
> * Clean up encoding issues.
> * v1 Link: https://patchwork.kernel.org/project/linux-rdma/patch/20220225095654.24684-1-liangwenpeng@huawei.com/
>
> drivers/infiniband/hw/hns/hns_roce_device.h | 2 +
> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 311 +++++++++++++++++++-
> drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 20 ++
> drivers/infiniband/hw/hns/hns_roce_mr.c | 6 +-
> 4 files changed, 335 insertions(+), 4 deletions(-)
Applied to for-next, thanks
Jason
prev parent reply other threads:[~2022-03-15 23:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-10 4:28 [Resend][PATCH v2 for-next] RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT Wenpeng Liang
2022-03-15 23:20 ` Jason Gunthorpe [this message]
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