linux-kernel - Re: [PATCH 2/3] arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: Use DO

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Date:	Thu, 21 May 2009 16:34:01 -0700
From:	Joe Perches <joe@...ches.com>
To:	Dave Jones <davej@...hat.com>
Cc:	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...e.de>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	x86@...r.kernel.org, Len Brown <len.brown@...el.com>,
	Mike Travis <travis@....com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: Re: [PATCH 2/3] arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: Use
 DO_ONCE & spelling fix

On Thu, 2009-05-21 at 19:26 -0400, Dave Jones wrote:
> On Thu, May 21, 2009 at 04:00:23PM -0700, Joe Perches wrote:
>  > diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
>  > index 208ecf6..f569cff 100644
>  > --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
>  > +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
>  > @@ -693,8 +693,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
>  >  	if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
>  >  	    policy->cpuinfo.transition_latency > 20 * 1000) {
>  >  		policy->cpuinfo.transition_latency = 20 * 1000;
>  > -			printk_once(KERN_INFO "Capping off P-state tranision"
>  > -				    " latency at 20 uS\n");
>  > +		DO_ONCE(printk(KERN_INFO
>  > +			       "P-state transition latency capped at 20 uS\n"));
>  
> ewww. This looks pretty ugly to me. Anyone else?

What look ugly?

The macro use or the newline between KERN_INFO and "P-"
or the reformatting of the quoted string?

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