linux-kernel - Re: [GIT PULL] workqueue changes for v4.2-rc1

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Message-ID: <20150626160152.GH15805@mtj.duckdns.org>
Date:	Fri, 26 Jun 2015 12:01:52 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Lai Jiangshan <laijs@...fujitsu.com>
Subject: Re: [GIT PULL] workqueue changes for v4.2-rc1

On Fri, Jun 26, 2015 at 11:35:52AM -0400, Tejun Heo wrote:
> Hello, Linus.
> 
> Most of the changes are around implementing and fixing fallouts from
> sysfs and internal interface to limit the CPUs available to all
> unbound workqueues to help isolating CPUs.  It needs more work as
> ordered workqueues can roam unrestricted but still is a significant
> improvement.

Ooh, it isn't in mainline yet but pulling rcu tree will cause a silent
conflict with this pull request which leads to build failure.  The two
colliding commits are.

 5b95e1af8d17 ("workqueue: wq_pool_mutex protects the attrs-installation")
 eeacf8982637 ("rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN()")

The former adds rcu_lockdep_assert() usage and the latter renames and
flips it.  It can be resolved by renaming and negating the conditions
in the new usage.

Thanks.

-- 
tejun
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