linux-kernel - Re: [RFC PATCH 4/5] RCU: Add TASK_RCU

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Message-ID: <4D924FEE.8040804@linux.intel.com>
Date:	Tue, 29 Mar 2011 14:32:30 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	paulmck@...ux.vnet.ibm.com
CC:	Jan Beulich <JBeulich@...ell.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Ingo Molnar <mingo@...e.hu>,
	Alexander van Heukelum <heukelum@...tmail.fm>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	David Howells <dhowells@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Roland McGrath <roland@...hat.com>,
	Serge Hallyn <serue@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 4/5] RCU: Add TASK_RCU_OFFSET

On 03/29/2011 02:31 PM, Paul E. McKenney wrote:
>>
>> I have to say that if we have to use hardcoded offsets in C then we have
>> bigger problems.
> 
> In this case, the offsets are mechanically generated from the structure
> definitions.
> 
> Or am I missing your point?
> 

Yes.  The point is if we have to pull out these kinds of hacks in *C*
code, we are doing it wrong.  Not just a little wrong, but completely
and totally bonkers wrong.

	-hpa
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