linux-kernel - Re: Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch

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Date:	Fri, 17 Jun 2016 16:39:42 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Vineet Gupta <vgupta@...opsys.com>,
	linux-snps-arc@...ts.infradead.org, Ingo Molnar <mingo@...nel.org>
Subject: Re: Build failures in -next due to 'locking/atomic, arch/arc:
 Implement atomic_fetch_{add,sub,and,andnot,or,xor}()'

On Fri, Jun 17, 2016 at 07:36:56AM -0700, Guenter Roeck wrote:
> Hi Peter,
> 
> I am seeing build failures in -next when trying to build arc / arcv2 targets.
> 
> arch/arc/include/asm/atomic.h:74:2: error: ‘SCOND_FAIL_RETRY_VAR_DEF’ undeclared
> arch/arc/include/asm/atomic.h:87:2: error: expected ‘:’ or ‘)’ before ‘SCOND_FAIL_RETRY_ASM’
> 
> Problems seem to be caused by 'locking/atomic, arch/arc: Implement
> atomic_fetch_{add,sub,and,andnot,or,xor}()'. Both SCOND_FAIL_RETRY_VAR_DEF and
> SCOND_FAIL_RETRY_ASM are undefined.

Crud, I messed up the rebase against the backoff reverts. Lemme go do
fixups.