linux-kernel - Re: FRV build failure with latest kernel

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Message-ID: <20140806224356.GA5111@roeck-us.net>
Date:	Wed, 6 Aug 2014 15:43:56 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	"Bueso, Davidlohr" <davidlohr@...com>
Cc:	David Howells <dhowells@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: FRV build failure with latest kernel

On Wed, Aug 06, 2014 at 08:37:14PM +0000, Bueso, Davidlohr wrote:
> 
> ________________________________________
> From: Guenter Roeck [linux@...ck-us.net]
> Sent: Wednesday, August 06, 2014 6:59 AM
> To: David Howells
> Cc: linux-kernel@...r.kernel.org; Bueso, Davidlohr
> Subject: FRV build failure with latest kernel
> 
> Building frv:defconfig ... failed
> --------------
> Error log:
> In file included from kernel/locking/mutex.c:28:0:
> kernel/locking/mcs_spinlock.h: In function 'mcs_spin_lock':
> kernel/locking/mcs_spinlock.h:87:2: error: implicit declaration of function 'cpu_relax_lowlatency' [-Werror=implicit-function-declaration]https://lkml.org/lkml/2014/8/5/442
> cc1: some warnings being treated as errors
> make[2]: *** [kernel/locking/mutex.o] Error 1
> 
> Due to commit 3a6bfbc91d (arch, locking: Ciao arch_mutex_cpu_relax()), which missed frv.
> 
> Yeah, I sent out the fix yesterday: https://lkml.org/lkml/2014/8/5/442
> 
Looks like Geert was faster than me, as usual ;-).

Thanks, hope this will make it upstream soon.

Guenter
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