From: "Marciniszyn, Mike" <mike.marciniszyn@cornelisnetworks.com>
To: Leon Romanovsky <leon@kernel.org>,
Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@nvidia.com>,
"Dalessandro, Dennis" <dennis.dalessandro@cornelisnetworks.com>
Cc: Leon Romanovsky <leonro@nvidia.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: RE: [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations
Date: Wed, 12 May 2021 12:23:06 +0000 [thread overview]
Message-ID: <BYAPR01MB38165194C3FE39850D61C6C6F2529@BYAPR01MB3816.prod.exchangelabs.com> (raw)
In-Reply-To: <c34a864803f9bbd33d3f856a6ba2dd595ab708a7.1620729033.git.leonro@nvidia.com>
> - struct rvt_sge r_sg_list[] /* verified SGEs */
> + struct rvt_sge *r_sg_list /* verified SGEs */
> ____cacheline_aligned_in_smp;
> };
>
Since since has been made an independent allocation, r_sg_list becomes a read-mostly pointer and should be moved up in rvt_qp to other 64 bit fields around timeout_jiffies.
The cacheline can then be dropped for this field.
Mike
prev parent reply other threads:[~2021-05-12 12:23 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 10:36 [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations Leon Romanovsky
2021-05-11 10:59 ` Haakon Bugge
2021-05-11 12:34 ` Leon Romanovsky
2021-05-11 19:15 ` Marciniszyn, Mike
2021-05-11 19:27 ` Leon Romanovsky
2021-05-11 19:39 ` Marciniszyn, Mike
2021-05-12 4:08 ` Dennis Dalessandro
2021-05-12 12:13 ` Leon Romanovsky
2021-05-12 12:45 ` Dennis Dalessandro
2021-05-11 12:26 ` Dennis Dalessandro
2021-05-11 12:34 ` Leon Romanovsky
2021-05-12 12:25 ` Marciniszyn, Mike
2021-05-12 12:50 ` Leon Romanovsky
2021-05-13 19:03 ` Dennis Dalessandro
2021-05-13 19:15 ` Jason Gunthorpe
2021-05-13 19:31 ` Dennis Dalessandro
2021-05-14 13:02 ` Jason Gunthorpe
2021-05-14 14:07 ` Dennis Dalessandro
2021-05-14 14:35 ` Jason Gunthorpe
2021-05-14 15:00 ` Marciniszyn, Mike
2021-05-14 15:02 ` Jason Gunthorpe
2021-05-19 7:50 ` Leon Romanovsky
2021-05-19 11:56 ` Dennis Dalessandro
2021-05-19 18:29 ` Jason Gunthorpe
2021-05-19 19:49 ` Dennis Dalessandro
2021-05-19 20:26 ` Jason Gunthorpe
2021-05-20 22:02 ` Dennis Dalessandro
2021-05-21 6:29 ` Leon Romanovsky
2021-05-25 13:13 ` Jason Gunthorpe
2021-05-25 14:10 ` Dennis Dalessandro
2021-05-25 14:20 ` Jason Gunthorpe
2021-05-25 14:29 ` Dennis Dalessandro
2021-06-28 21:59 ` Marciniszyn, Mike
2021-06-28 23:19 ` Jason Gunthorpe
2021-07-04 6:34 ` Leon Romanovsky
2021-06-02 4:33 ` Leon Romanovsky
2021-05-16 10:56 ` Leon Romanovsky
2021-05-12 12:23 ` Marciniszyn, Mike [this message]
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