Re: linux-next: build failure after merge of the rcu tree

From	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups	linux.kernel
Subject	Re: linux-next: build failure after merge of the rcu tree
Date	2017-08-28 20:00 +0200
Message-ID	<ujwul-6V-7@gated-at.bofh.it> (permalink)
References	<ujjQt-Pw-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, Aug 28, 2017 at 02:25:48PM +1000, Stephen Rothwell wrote:
> Hi Paul,
> 
> After merging the rcu tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> In file included from arch/arm/kernel/asm-offsets.c:14:0:
> include/linux/sched.h: In function 'membarrier_sched_out':
> include/linux/sched.h:1680:3: error: implicit declaration of function 'sync_core' [-Werror=implicit-function-declaration]
>    sync_core();
>    ^
> 
> Caused by commit
> 
>   0d6eb99818da ("membarrier: Provide register sync core cmd")
> 
> I have used the rcu tree from next-20170825 for today.

I have dropped this, and will likely re-add with the facility provided
or with an ARCH_ kconfig option.

Sorry for the hassle!

							Thanx, Paul

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linux-next: build failure after merge of the rcu tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-08-28 06:30 +0200
  Re: linux-next: build failure after merge of the rcu tree "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-08-28 20:00 +0200

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