linux-kernel - Re: [PATCH] kernel: context_tracking: use extern function instead of static inline function for user

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Date:	Wed, 23 Oct 2013 19:31:04 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>, khilman@...aro.org,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kernel: context_tracking: use extern function instead
 of static inline function for user_enter/exit()

On 10/23/2013 07:15 PM, Steven Rostedt wrote:
> On Wed, 2013-10-23 at 19:01 +0800, Chen Gang wrote:
> 
>>> void arch_user_enter(void)
>>> {
>>> 	user_enter();
>>> }
>>>
>>
>> OK, thanks. That sounds reasonable to me. I will send related patch to
>> arm guys. :-)
> 
> If you do so, don't call it "arch_user_enter()", maybe call it
> "asm_user_enter()", as "arch_*" is something used to be called by the
> generic code.  My mistake in using that as an example.
> 

Oh, yes, what you said is an example, I need reference it, but should
not depend on it.

Hmm... for me "asm_user_enter" seems still a little 'generic' (e.g.
"asm-generic", "arch/*/include/asm/"), maybe just use common extern
functions' name is enough (e.g. "wrap_user_enter").

But all together, I feel your original fix patch is well enough to me,
it seems don't need additional trying.  :-)

> -- Steve
> 
> 
> 
> 

Thanks.
-- 
Chen Gang
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