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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: "Richardson, Bruce" <bruce.richardson@intel.com>,
	"Wiles, Keith" <keith.wiles@intel.com>,
	Stephen Hemminger <stephen@networkplumber.org>,
	dev <dev@dpdk.org>, "Mcnamara, John" <john.mcnamara@intel.com>,
	"De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
	"Hunt, David" <david.hunt@intel.com>,
	"Awal, Mohammad Abdul" <mohammad.abdul.awal@intel.com>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [RFC v2 1/9] usertools: add DPDK config lib python library
Date: Fri, 16 Nov 2018 15:43:57 +0000	[thread overview]
Message-ID: <31bc1c07-0c41-1a53-445b-3f56302e35a9@intel.com> (raw)
In-Reply-To: <2017620.fyvpj9GtK5@xps>

On 16-Nov-18 2:55 PM, Thomas Monjalon wrote:
> 16/11/2018 15:37, Burakov, Anatoly:
>> On 16-Nov-18 2:13 PM, Richardson, Bruce wrote:
>>> From: Wiles, Keith
>>>>> On Nov 16, 2018, at 5:49 AM, Burakov, Anatoly
>>>>> On 16-Nov-18 12:45 AM, Stephen Hemminger wrote:
>>>>>> Anatoly Burakov <anatoly.burakov@intel.com> wrote:
>>>>>>> This is a placeholder for Python library abstracting away many of
>>>>>>> mundane details DPDK configuration scripts have to deal with. We
>>>>>>> need __init__.py file to make the subdirectory a package so that
>>>>>>> Python scripts in usertools/ can find their dependencies.
>>>>>>>
>>>>>>> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
>>>>>>
>>>>>> Doing this a better than current code, but can we go farther?
>>>>>> I would like DPDK to get out of doing binds directly and switch to
>>>>>> using driverctl which also handles persistent rebind on reboot.
>>>>>
>>>>> Wasn't the objection that it's not available everywhere? (for the
>>>>> record, i have no horse in the race - i don't much care exactly how
>>>>> it's done)
>>>>
>>>> If it works on FreeBSD and Linux then I am all for it. On windows does it
>>>> support this method too?
>>>
>>> Binding and unbinding is completely different on each OS. FreeBSD has no overlap
>>> of scripts with Linux, so replacing some of our tools with driverctl won't affect
>>> that OS.
>>>
>>> /Bruce
>>
>> ...however, we could abstract that away in our tools, and use
>> OS-appropriate tools independently of what we're running on. There could
>> still be value in fixing devbind everyone knows and love to work on all
>> OS's without too much hassle :)
> 
> Yes, easier script is always better.
> 
> Another thought, I would like we think about integrating binding/unbinding
> code inside EAL and bus drivers, and manage it via the PMDs.
> There could be an option to bind on scan and unbind on rte_dev_remove.
> 

I didn't like it back when it was a thing, and i don't particularly like 
this idea now, to be honest. Port binding should not be under purview of 
the application, but is firmly in the domain of system administrator 
IMO. I don't think it's our place to change system configuration while 
we're running.

-- 
Thanks,
Anatoly

  parent reply	other threads:[~2018-11-16 15:44 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-25 15:59 [dpdk-dev] [RFC 0/9] Modularize and enhance DPDK Python scripts Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 1/9] usertools: add DPDK config lib python library Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 2/9] usertools/lib: add platform info library Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 3/9] usertools/cpu_layout: rewrite to use DPDKConfigLib Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 4/9] usertools/lib: support FreeBSD for platform info Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 5/9] usertools/lib: add device information library Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 6/9] usertools/devbind: switch to using DPDKConfigLib Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 7/9] usertools/lib: add hugepage information library Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 8/9] usertools: add hugepage info script Anatoly Burakov
2018-06-25 15:59 ` [dpdk-dev] [RFC 9/9] usertools/lib: add GRUB utility library for hugepage config Anatoly Burakov
2018-06-26  1:09   ` Kevin Wilson
2018-06-26  9:05     ` Burakov, Anatoly
2018-08-14 10:11 ` [dpdk-dev] [RFC 0/9] Modularize and enhance DPDK Python scripts Burakov, Anatoly
2018-08-28  8:16   ` Burakov, Anatoly
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 " Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 1/9] usertools: add DPDK config lib python library Anatoly Burakov
2018-11-16  0:45   ` Stephen Hemminger
2018-11-16 11:49     ` Burakov, Anatoly
2018-11-16 14:09       ` Wiles, Keith
2018-11-16 14:13         ` Richardson, Bruce
2018-11-16 14:37           ` Burakov, Anatoly
2018-11-16 14:55             ` Thomas Monjalon
2018-11-16 15:41               ` Wiles, Keith
2018-11-16 15:43               ` Burakov, Anatoly [this message]
2018-11-16 15:58                 ` Thomas Monjalon
2018-11-16 16:10                   ` Bruce Richardson
2018-11-16 16:08                 ` Bruce Richardson
2018-11-16 15:38             ` Wiles, Keith
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 2/9] usertools/lib: add platform info library Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 3/9] usertools/cpu_layout: rewrite to use DPDKConfigLib Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 4/9] usertools/lib: support FreeBSD for platform info Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 5/9] usertools/lib: add device information library Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 6/9] usertools/devbind: switch to using DPDKConfigLib Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 7/9] usertools/lib: add hugepage information library Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 8/9] usertools: add hugepage info script Anatoly Burakov
2018-11-15 15:47 ` [dpdk-dev] [RFC v2 9/9] usertools/lib: add GRUB utility library for hugepage config Anatoly Burakov

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