From: Jason Gunthorpe <jgg@nvidia.com>
To: liweihang <liweihang@huawei.com>
Cc: "dledford@redhat.com" <dledford@redhat.com>,
"leon@kernel.org" <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
Linuxarm <linuxarm@huawei.com>
Subject: Re: [PATCH for-next] RDMA/hns: Create QP/CQ with selected QPN/CQN for bank load balance
Date: Fri, 6 Nov 2020 09:37:07 -0400 [thread overview]
Message-ID: <20201106133707.GV2620339@nvidia.com> (raw)
In-Reply-To: <115588ae632747f29e977f6abf0a5733@huawei.com>
On Fri, Nov 06, 2020 at 01:52:57AM +0000, liweihang wrote:
> There are 8 banks and each of them has a counter which represents
> how many QPs are using this bank. We first find the bank with the
> smallest count, and then try to find a QPN belongs to this bank
> according to the bitmap. The ida will find an unused ID starting
> from 0, I think it can't meet our needs. If we use ida here, the
> code may looks like:
I don't understand, why wouldn't the ida give you a free QPN in a bank
directly?
Jason
next prev parent reply other threads:[~2020-11-06 13:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 9:09 [PATCH for-next] RDMA/hns: Create QP/CQ with selected QPN/CQN for bank load balance Weihang Li
2020-09-18 14:25 ` Jason Gunthorpe
2020-09-19 9:25 ` liweihang
2020-11-06 1:52 ` liweihang
2020-11-06 13:37 ` Jason Gunthorpe [this message]
2020-11-10 9:19 ` liweihang
2020-11-10 17:46 ` Jason Gunthorpe
2020-11-12 11:20 ` liweihang
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