linux-kernel - Re: [PATCH v3 0/4] kmod: help make deterministic

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Date:   Tue, 20 Jun 2017 22:56:22 +0200
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     "Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:     akpm@...ux-foundation.org, jeyu@...hat.com, shuah@...nel.org,
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Subject: Re: [PATCH v3 0/4] kmod: help make deterministic

On Fri, May 26, 2017 at 02:12:24PM -0700, Luis R. Rodriguez wrote:
> This v3 nukes the proc sysctl interface in favor for just letting userspace
> just check kernel revision. Prior to whenever this is merged userspace should
> try to avoid hammering more than 50 kmod threads as they can fail and it'd
> get -ENOMEM.
> 
> We do away with the old heuristics on assuming you could end up with
> less than max_threads/2 < 50 threads as Dmitry notes this would mean having
> a system with 16 MiB of RAM with modules enabled. It simplifies our patch
> "kmod: reduce atomic operations on kmod_concurrent" considerbly.
> 
> Since the sysctl interface is gone, this no longer depends on any
> other patches, the series is independent. As usual the series is
> available on my linux-next 20170526-kmod-only branch which is based
> on next-20170526.
> 
> [0] https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/log/?h=20170526-kmod-only
> 
>   Luis
> 
> Luis R. Rodriguez (4):
>   module: use list_for_each_entry_rcu() on find_module_all()
>   kmod: reduce atomic operations on kmod_concurrent and simplify
>   kmod: add test driver to stress test the module loader
>   kmod: throttle kmod thread limit

About a month now with no further nitpicks. What tree should these changes
go through if there are no issues? Andrew's, Jessica's ?

  Luis