linux-kernel - Re: [PATCH 5/5] nohz: add stub context_tracking_is

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Message-ID: <20150205235641.GT5370@linux.vnet.ibm.com>
Date:	Thu, 5 Feb 2015 15:56:41 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	riel@...hat.com
Cc:	kvm@...r.kernel.org, borntraeger@...ibm.com,
	linux-kernel@...r.kernel.org, mtosatti@...hat.com,
	mingo@...nel.orgm, ak@...ux.intel.com, oleg@...hat.com,
	masami.hiramatsu.pt@...achi.com, fweisbec@...il.com,
	lcapitulino@...hat.com, pbonzini@...hat.com
Subject: Re: [PATCH 5/5] nohz: add stub context_tracking_is_enabled

On Thu, Feb 05, 2015 at 03:23:52PM -0500, riel@...hat.com wrote:
> From: Rik van Riel <riel@...hat.com>
> 
> With code elsewhere doing something conditional on whether or not
> context tracking is enabled, we want a stub function that tells us
> context tracking is not enabled, when CONFIG_CONTEXT_TRACKING is
> not set.
> 
> Signed-off-by: Rik van Riel <riel@...hat.com>

Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

> ---
>  include/linux/context_tracking_state.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
> index f3ef027af749..90a7bab8779e 100644
> --- a/include/linux/context_tracking_state.h
> +++ b/include/linux/context_tracking_state.h
> @@ -40,6 +40,8 @@ static inline bool context_tracking_in_user(void)
>  #else
>  static inline bool context_tracking_in_user(void) { return false; }
>  static inline bool context_tracking_active(void) { return false; }
> +static inline bool context_tracking_is_enabled(void) { return false; }
> +static inline bool context_tracking_cpu_is_enabled(void) { return false; }
>  #endif /* CONFIG_CONTEXT_TRACKING */
> 
>  #endif
> -- 
> 1.9.3
> 

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