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

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Date:	Thu, 21 Feb 2013 13:04:58 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Clark Williams <williams@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: linux-next: build failure after merge of the tip tree

Hi all,

On Thu, 14 Feb 2013 13:30:16 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> drivers/thermal/intel_powerclamp.c: In function 'clamp_thread':
> drivers/thermal/intel_powerclamp.c:360:21: error: 'MAX_USER_RT_PRIO' undeclared (first use in this function)
> 
> Caused by commit 8bd75c77b7c6 ("sched/rt: Move rt specific bits into new
> header file") interacting with commit d6d71ee4a14a ("PM: Introduce Intel
> PowerClamp Driver") from the thermal tree.
> 
> I applied this merge fix patch and can carry it as necessary:
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Thu, 14 Feb 2013 13:26:22 +1100
> Subject: [PATCH] sched/rt: fix PowerClamp Driver for define move
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/thermal/intel_powerclamp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
> index ab3ed90..b40b37c 100644
> --- a/drivers/thermal/intel_powerclamp.c
> +++ b/drivers/thermal/intel_powerclamp.c
> @@ -50,6 +50,7 @@
>  #include <linux/tick.h>
>  #include <linux/debugfs.h>
>  #include <linux/seq_file.h>
> +#include <linux/sched/rt.h>
>  
>  #include <asm/nmi.h>
>  #include <asm/msr.h>

The above fix is now needed when the thermal tree is merged with Linus'
tree ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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