linux-kernel - Re: [PATCH 2/2] jump label: introduce static

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Message-ID: <4D24BDD5.5090803@zytor.com>
Date:	Wed, 05 Jan 2011 10:52:05 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	Jason Baron <jbaron@...hat.com>, peterz@...radead.org,
	mathieu.desnoyers@...ymtl.ca, mingo@...e.hu, tglx@...utronix.de,
	andi@...stfloor.org, roland@...hat.com, rth@...hat.com,
	masami.hiramatsu.pt@...achi.com, avi@...hat.com,
	davem@...emloft.net, sam@...nborg.org, ddaney@...iumnetworks.com,
	michael@...erman.id.au, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] jump label: introduce static_branch()

On 01/05/2011 09:46 AM, Steven Rostedt wrote:
> On Wed, 2011-01-05 at 18:15 +0100, Frederic Weisbecker wrote:
>> On Wed, Jan 05, 2011 at 10:43:12AM -0500, Jason Baron wrote:
>>> diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
>>> index 152f7de..0ad9c2e 100644
>>> --- a/include/linux/jump_label.h
>>> +++ b/include/linux/jump_label.h
>>> @@ -22,6 +22,11 @@ struct module;
>>>  
>>>  #ifdef HAVE_JUMP_LABEL
>>>  
>>> +static __always_inline bool static_branch(struct jump_label_key *key)
>>> +{
>>> +	return __static_branch(key);
>>
>> Not very important, but __static_branch() would be more self-explained
>> if it was called arch_static_branch().
> 
> I disagree, I think it is very important ;-)
> 
> Yes, the kernel has been moving to adding "arch_" to functions that are
> implemented dependently by different archs. Please change this to
> "arch_static_branch()".
> 

Indeed.  This hugely simplifies knowing where to look and whose
responsibility it is.

	-hpa
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