From: Jiri Pirko <jiri@resnulli.us>
To: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
sthemmin@microsoft.com, dsahern@gmail.com, mlxsw@mellanox.com
Subject: Re: [patch net-next v2 1/3] net: devlink: allow to change namespaces
Date: Wed, 31 Jul 2019 21:26:27 +0200 [thread overview]
Message-ID: <20190731192627.GB2324@nanopsycho> (raw)
In-Reply-To: <20190730153952.73de7f00@cakuba.netronome.com>
Wed, Jul 31, 2019 at 12:39:52AM CEST, jakub.kicinski@netronome.com wrote:
>On Tue, 30 Jul 2019 10:57:32 +0200, Jiri Pirko wrote:
>> From: Jiri Pirko <jiri@mellanox.com>
>>
>> All devlink instances are created in init_net and stay there for a
>> lifetime. Allow user to be able to move devlink instances into
>> namespaces.
>>
>> Signed-off-by: Jiri Pirko <jiri@mellanox.com>
>
>I'm no namespace expert, but seems reasonable, so FWIW:
>
>Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
>
>If I read things right we will only send the devlink instance
>notification to other namespaces when it moves, but not
>notifications for sub-objects like ports. Is the expectation
>that the user space dumps the objects it cares about or will
>the other notifications be added as needed (or option 3 - I
>misread the code).
You are correct. I plan to take care of the notifications of all objects
in the follow-up patchset. But I can do it in this one if needed. Up to
you.
>
>I was also wondering it moving the devlink instance during a
>multi-part transaction could be an issue. But AFAIU it should
>be fine - the flashing doesn't release the instance lock, and
>health stuff should complete correctly even if devlink is moved
>half way through?
Yes, I don't see any issue there as well.
next prev parent reply other threads:[~2019-07-31 19:26 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 8:57 [patch net-next v2 0/3] net: devlink: Finish network namespace support Jiri Pirko
2019-07-30 8:57 ` [patch net-next v2 1/3] net: devlink: allow to change namespaces Jiri Pirko
2019-07-30 22:39 ` Jakub Kicinski
2019-07-31 19:26 ` Jiri Pirko [this message]
2019-07-31 19:41 ` David Ahern
2019-07-31 19:45 ` Jiri Pirko
2019-07-31 19:46 ` David Ahern
2019-07-31 19:58 ` David Ahern
2019-07-31 20:20 ` David Ahern
2019-08-02 7:48 ` Jiri Pirko
2019-08-02 15:45 ` David Ahern
2019-08-05 5:54 ` Jiri Pirko
2019-08-05 14:10 ` David Ahern
2019-08-05 14:49 ` Jiri Pirko
2019-08-05 14:51 ` David Ahern
2019-08-05 15:20 ` Jiri Pirko
2019-08-06 17:34 ` David Ahern
2019-08-06 17:53 ` Jiri Pirko
2019-08-06 17:55 ` David Ahern
2019-08-06 18:07 ` Jiri Pirko
2019-08-02 7:43 ` Jiri Pirko
2019-07-30 8:57 ` [patch net-next v2 2/3] net: devlink: export devlink net set/get helpers Jiri Pirko
2019-07-30 22:40 ` Jakub Kicinski
2019-07-30 8:57 ` [patch net-next v2 3/3] netdevsim: create devlink and netdev instances in namespace Jiri Pirko
2019-07-30 22:40 ` Jakub Kicinski
2019-07-30 8:59 ` [patch iproute2-next v2 1/2] devlink: introduce cmdline option to switch to a different namespace Jiri Pirko
2019-07-30 8:59 ` [patch iproute2-next v2 2/2] devlink: add support for network namespace change Jiri Pirko
2019-07-31 22:59 ` [patch net-next v2 0/3] net: devlink: Finish network namespace support David Miller
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