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From: Thomas Monjalon <thomas@monjalon.net>
To: anatoly.burakov@intel.com, Yunjian Wang <wangyunjian@huawei.com>
Cc: stable@dpdk.org, dev@dpdk.org, david.marchand@redhat.com,
	jerry.lilijun@huawei.com, xudingke@huawei.com,
	bruce.richardson@intel.com, john.mcnamara@intel.com,
	asafp@nvidia.com
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v3] eal: fix create user mem map repeatedly when it exists
Date: Sun, 22 Nov 2020 19:20:07 +0100	[thread overview]
Message-ID: <11688709.CXgpgmMZx0@thomas> (raw)
In-Reply-To: <6957254.HVmevjuWZl@thomas>

15/11/2020 15:23, Thomas Monjalon:
> 20/10/2020 16:09, Thomas Monjalon:
> > 16/10/2020 11:28, wangyunjian:
> > > From: Yunjian Wang <wangyunjian@huawei.com>
> > > 
> > > Currently, a issue that a container has many devices and the
> > > application will map the same memory many times. The kernel
> > > driver returns EEXIST as long as there are overlapping memory
> > > areas. As a result, we repeatedly create new user mem map entry
> > > for the same memory segment and this will lead to no more space
> > > for other user mem maps.
> > > 
> > > To resolve the issue, add support to remove the same entry in
> > > the function compact_user_maps().
> > 
> > Sorry I don't understand the explanations above.
> > Anatoly, please could you help in rewording?
> 
> Ping for rewording please.

What is the conclusion? This fix is not worth the effort?



  reply	other threads:[~2020-11-22 18:20 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-16 13:38 [dpdk-stable] [PATCH 1/1] eal/linux: do not " wangyunjian
2020-07-17 14:19 ` [dpdk-stable] [dpdk-dev] " Burakov, Anatoly
2020-07-17 14:23   ` Burakov, Anatoly
2020-07-20  2:00     ` wangyunjian
2020-07-20 11:46       ` Burakov, Anatoly
2020-07-22 12:47         ` wangyunjian
2020-07-23 14:48 ` [dpdk-stable] [dpdk-dev] [PATCH v2] " wangyunjian
2020-07-24 13:25   ` Burakov, Anatoly
2020-07-25  9:59     ` wangyunjian
2020-07-27  9:24       ` Burakov, Anatoly
2020-07-30 13:16         ` wangyunjian
2020-07-31 11:55           ` Burakov, Anatoly
2020-08-05 12:58             ` wangyunjian
2020-09-17 11:33               ` Burakov, Anatoly
2020-09-17 11:35   ` Burakov, Anatoly
2020-10-15 12:46     ` wangyunjian
2020-10-15 12:54       ` David Marchand
2020-10-16  9:48         ` wangyunjian
2020-10-16  9:28   ` [dpdk-stable] [dpdk-dev] [PATCH v3] eal: fix " wangyunjian
2020-10-20 14:09     ` Thomas Monjalon
2020-11-15 14:23       ` Thomas Monjalon
2020-11-22 18:20         ` Thomas Monjalon [this message]
2020-11-23  7:40           ` wangyunjian
2020-11-27 12:54       ` Burakov, Anatoly
2020-12-07 11:08     ` [dpdk-stable] [dpdk-dev] [PATCH v4] " wangyunjian
2021-03-25 13:38       ` wangyunjian
2021-03-25 14:30       ` Thomas Monjalon
2021-03-25 16:45         ` Kevin Traynor
2021-04-10  9:37     ` [dpdk-stable] [dpdk-dev] [PATCH v5] " wangyunjian
2021-04-19 11:47       ` Thomas Monjalon

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