linux-kernel - Re: [PATCH v7 4/4] nmi_backtrace: generate one-line reports for idle cpus

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Message-ID: <20160811153645.GX30192@twins.programming.kicks-ass.net>
Date:	Thu, 11 Aug 2016 17:36:45 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Petr Mladek <pmladek@...e.com>
Cc:	Chris Metcalf <cmetcalf@...lanox.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Russell King <linux@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Aaron Tomlin <atomlin@...hat.com>,
	Ingo Molnar <mingo@...hat.com>, Andrew Morton <akpm@...l.org>,
	Daniel Thompson <daniel.thompson@...aro.org>, x86@...nel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH v7 4/4] nmi_backtrace: generate one-line reports for idle
 cpus

On Thu, Aug 11, 2016 at 05:25:38PM +0200, Petr Mladek wrote:
> diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
> index b77f5edb03b0..e31d50acd491 100644
> --- a/arch/x86/include/asm/irqflags.h
> +++ b/arch/x86/include/asm/irqflags.h
> @@ -44,7 +44,7 @@ static inline void native_irq_enable(void)
>  	asm volatile("sti": : :"memory");
>  }
>  
> -static inline void native_safe_halt(void)
> +static inline __attribute__((__section__(".cpuidle.text"))) void native_safe_halt(void)
>  {
>  	asm volatile("sti; hlt": : :"memory");
>  }

An alternative is to use __always_inline I suppose.