linux-kernel - Re: [PATCH 00/35] cpumask: Replace cpumask

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Message-Id: <200810240953.15814.rusty@rustcorp.com.au>
Date:	Fri, 24 Oct 2008 09:53:15 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/35] cpumask: Replace cpumask_t with struct cpumask

On Thursday 23 October 2008 23:03:22 Ingo Molnar wrote:
> I also added "Impact:" lines to every commit - a one-line summary of the
> expected outcome of the change. (Please double-check those impact lines
> - if you see anything odd it means that i missed some detail in the
> commit - that will need to be fixed if it happens.)

Note that "removed" and "deprecated" are using the terms loosely.  No old API 
was removed, and I didn't actually mark anything __deprecated (I just 
documented it in the header).

Here are my revisions:

f1ad2eefc7644467a5b8bec38b540f40260f0f03:
cpumask: cpu_all_mask and cpu_none_mask
    
-Impact: introduce new constants, convert old usage to them
+Impact: introduce new constants, convert core files.


88e316949934e187e4f131d99bf156413632e56b
cpumask: deprecate any_online_cpu() in favour of cpumask_any/cpumask_any_and
    
-Impact: cleanup
+Impact: new API, deprecate old


4d57c437e6d239f46a881fdb04a57fb2664bfc97
cpumask: cpumask_first/cpumask_next
    
-Impact: remove old API, convert all users to new API
+Impact: new API, deprecate old 
(We convert one place only)


dfa1385db10e1b1d5a1687f0184d9c11735192aa
cpumask: for_each_cpu(): for_each_cpu_mask which takes a pointer
    
-Impact: remove old API, convert all users to new API
+Impact: remove old API, convert core trivial users

a55659d4f58eaacde2681298d003bbeeafb16436
cpumask: cpumask_of(): cpumask_of_cpu() which returns a pointer
    
-Impact: cleanup
+Impact: new API, deprecate old API.

Thanks,
Rusty.
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