linux-kernel - Re: h8300 build failures in linux-next (in rcu code, gcc 5.x related, not limited to h8300)

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Message-ID: <20150825173413.GA11853@redhat.com>
Date:	Tue, 25 Aug 2015 19:34:13 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	Mark Salter <msalter@...hat.com>,
	uclinux-h8-devel@...ts.sourceforge.jp,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Josh Triplett <josh@...htriplett.org>
Subject: Re: h8300 build failures in linux-next (in rcu code, gcc 5.x
	related, not limited to h8300)

On 08/26, Yoshinori Sato wrote:
>
> Yes.
> gcc bug #67055.
> Already fixed in trunk.

Yes, thanks a lot.

Paul, it seems that gcc actually dislikes your ec90a194a "rcu:
Create a synchronize_rcu_mult()" commit ;) rcu/sync.c was just
lucky enough to trigger the problem.

I'll try to make the fix today...

Oleg.

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