linux-kernel - [PATCH 0/2] nvmet: support polling task for RDMA and TCP

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Date: Wed, 26 Jun 2024 16:28:21 +0800
From: Ping Gan <jacky_gam_2001@....com>
To: hch@....de,
	sagi@...mberg.me,
	kch@...dia.com,
	linux-nvme@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: ping.gan@...l.com,
	Ping Gan <jacky_gam_2001@....com>
Subject: [PATCH 0/2] nvmet: support polling task for RDMA and TCP

When running nvmf on SMP platform, current nvme target's RDMA and
TCP use kworker to handle IO. But if there is other high workload 
in the system(eg: on kubernetes), the competition between the 
kworker and other workload is very radical. And since the kworker
is scheduled by OS randomly, it's difficult to control OS resource 
and also tune the performance. If target support to use delicated 
polling task to handle IO, it's useful to control OS resource and 
gain good performance. So it makes sense to add polling task in
rdma-rdma and rdma-tcp modules.

Ping Gan (2):
  nvmet-rdma: add polling cq task for nvmet-rdma
  nvmet-tcp: add polling task for nvmet-tcp

 drivers/nvme/target/rdma.c | 331 +++++++++++++++++++++++++++++++++-
 drivers/nvme/target/tcp.c  | 356 +++++++++++++++++++++++++++++++++++--
 2 files changed, 665 insertions(+), 22 deletions(-)

-- 
2.26.2