linux-kernel - Re: [PATCH v6 7/7] jump_label: use defined macros instead of hard-coding for better readability

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Date:	Wed, 18 Dec 2013 10:55:42 -0500
From:	Jason Baron <jbaron@...mai.com>
To:	Jiang Liu <liuj97@...il.com>, Steven Rostedt <rostedt@...dmis.org>
CC:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Sandeepa Prabhu <sandeepa.prabhu@...aro.org>,
	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Andrew Jones <drjones@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 7/7] jump_label: use defined macros instead of hard-coding
 for better readability

On 12/15/2013 06:10 AM, Jiang Liu wrote:
> On 12/14/2013 12:20 AM, Steven Rostedt wrote:
>> On Wed, 11 Dec 2013 00:03:53 +0800
>> Jiang Liu <liuj97@...il.com> wrote:
>>
>>> Use macro JUMP_LABEL_TRUE_BRANCH instead of hard-coding for better
>>> readability.
>> Looks good, just a little nit. (see below)
>>
>>> Signed-off-by: Jiang Liu <liuj97@...il.com>
>>> ---
>>>  include/linux/jump_label.h | 15 ++++++++++-----
> ...
>>> @@ -123,9 +126,11 @@ extern void static_key_slow_dec(struct static_key *key);
>>>  extern void jump_label_apply_nops(struct module *mod);
>>>  
>>>  #define STATIC_KEY_INIT_TRUE ((struct static_key) \
>>> -	{ .enabled = ATOMIC_INIT(1), .entries = (void *)1 })
>>> +	{ .enabled = ATOMIC_INIT(1), \
>>> +	  .entries = (void *)JUMP_LABEL_TYPE_TRUE_BRANCH })
>>>  #define STATIC_KEY_INIT_FALSE ((struct static_key) \
>>> -	{ .enabled = ATOMIC_INIT(0), .entries = (void *)0 })
>>> +	{ .enabled = ATOMIC_INIT(0), \
>>> +	  .entries = (void *)JUMP_LABEL_TYPE_FALSE_BRANCH })
>> Can we prettify the backslashes like:
>>
>> #define STATIC_KEY_INIT_TRUE ((struct static_key)		\
>> 	{ .enabled = ATOMIC_INIT(1),				\
>> 	  .entries = (void *)JUMP_LABEL_TYPE_TRUE_BRANCH })
>> #define STATIC_KEY_INIT_FALSE ((struct static_key)		\
>> 	{ .enabled = ATOMIC_INIT(0),				\
>> 	  .entries = (void *)JUMP_LABEL_TYPE_FALSE_BRANCH })
>>
>>
>> Other than that.
>>
>> Acked-by: Steven Rostedt <rostedt@...dmis.org>
> Thanks Steve.
> Will make this change.

Works for me too, feel free to add:

Acked-by: Jason Baron <jbaron@...mai.com>

Thanks,

-Jason

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