linux-kernel - Re: [GIT PULL v2 rcu/next] RCU commits for v5.7

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Date:   Tue, 24 Mar 2020 10:11:20 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
        colin.king@...onical.com, edumazet@...gle.com, frextrite@...il.com,
        jbi.octave@...il.com, joel@...lfernandes.org,
        madhuparnabhowmik04@...il.com, sjpark@...zon.de, urezki@...il.com
Subject: Re: [GIT PULL v2 rcu/next] RCU commits for v5.7


* Paul E. McKenney <paulmck@...nel.org> wrote:

> Hello, Ingo!
> 
> As discussed off-list, my earlier RCU pull request contained a commit with
> KCSAN dependencies, which caused build failures in the absence of KCSAN.
> These dependencies went undetected due to a flaw in my testing process
> that erroneously included the KCSAN commits.  This revised pull request
> removes those dependencies by pushing them to the post-v5.7 of the
> -rcu tree.  Non-KCSAN builds are unaffected.
> 
> As before, this pull request contains the following changes:
> 
> 1.	Documentation updates.
> 
> 	https://lore.kernel.org/lkml/20200214233848.GA12744@paulmck-ThinkPad-P72
> 
> 2.	Miscellaneous fixes.
> 
> 	https://lore.kernel.org/lkml/20200214235536.GA13364@paulmck-ThinkPad-P72
> 
> 3.	Make kfree_rcu() use kfree_bulk() for added performance.
> 
> 	https://lore.kernel.org/lkml/20200215000031.GA14315@paulmck-ThinkPad-P72
> 
> 4.	Locking torture-test updates.
> 
> 	https://lore.kernel.org/lkml/20200215000312.GA14585@paulmck-ThinkPad-P72
> 
> 5.	Callback-overload handling updates.
> 
> 	https://lore.kernel.org/lkml/20200215001816.GA15284@paulmck-ThinkPad-P72
> 
> 6.	Tasks-RCU KCSAN and sparse updates.
> 
> 	https://lore.kernel.org/lkml/20200215002446.GA15663@paulmck-ThinkPad-P72
> 
> 7.	SRCU updates.
> 
> 	https://lore.kernel.org/lkml/20200215002907.GA15895@paulmck-ThinkPad-P72
> 
> 8.	Torture-test updates.
> 
> 	https://lore.kernel.org/lkml/20200215003634.GA16227@paulmck-ThinkPad-P72
> 
> All of these have been subjected to the kbuild test robot testing,
> will get -next testing in the next -next, and are available in the git
> repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git for-mingo
> 
> for you to fetch changes up to aa93ec620be378cce1454286122915533ff8fa48:
> 
>   Merge branches 'doc.2020.02.27a', 'fixes.2020.03.21a', 'kfree_rcu.2020.02.20a', 'locktorture.2020.02.20a', 'ovld.2020.02.20a', 'rcu-tasks.2020.02.20a', 'srcu.2020.02.20a' and 'torture.2020.02.20a' into HEAD (2020-03-21 17:15:11 -0700)
> 
> There is a modest increase in code size of about 700 lines.  About 300
> of these added lines were documentation, almost 200 more from adding
> kfree_bulk() support to kfree_rcu(), about 150 from torture-test
> improvements, and about 80 lines from improved callback-overload handling.
> All in all, good value from this expansion.

>  34 files changed, 1015 insertions(+), 294 deletions(-)

Pulled, thanks a lot Paul!

	Ingo