From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yang Shi <yang.shi@windriver.com>
Subject: Re: regression in rt patches
Date: Mon, 7 Mar 2016 15:55:06 -0800
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To: Henning Schild <henning.schild@siemens.com>,
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On 3/7/2016 9:28 AM, Henning Schild wrote:
> Hey,
>
> this patch out of the current 4.4.3-rt9 series
> "trace: Use rcuidle version for preemptoff_hist trace point"
> introduces a regression where the kernel wont compile for a
> configuration without trace histograms

Thanks for finding it. Yes, it was missed by me.

Yang

>
> Ammend to following to the patch to fix it:
>
> --- a/include/trace/events/hist.h
> +++ b/include/trace/events/hist.h
> @@ -9,6 +9,7 @@
>   
>   #if !defined(CONFIG_PREEMPT_OFF_HIST) && !defined(CONFIG_INTERRUPT_OFF_HIST)
>   #define trace_preemptirqsoff_hist(a, b)
> +#define trace_preemptirqsoff_hist_rcuidle(a, b)
>   #else
>   TRACE_EVENT(preemptirqsoff_hist,
>
>
> Henning