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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul Jackson <pj@sgi.com>,
	lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>, Andi Kleen <ak@muc.de>,
	Ashok Raj <ashok.raj@intel.com>,
	Christoph Hellwig <hch@infradead.org>,
	Jesse Barnes <jbarnes@sgi.com>, Joe Korty <joe.korty@ccur.com>,
	Manfred Spraul <manfred@colorfullife.com>,
	Matthew Dobson <colpatch@us.ibm.com>,
	Mikael Pettersson <mikpe@csd.uu.se>,
	Simon Derr <Simon.Derr@bull.net>,
	William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [PATCH] cpumask 5/10 rewrite cpumask.h - single bitmap based implementation
Date: Fri, 04 Jun 2004 12:02:33 +1000	[thread overview]
Message-ID: <40BFD839.7060101@yahoo.com.au> (raw)
In-Reply-To: <1086313667.29381.897.camel@bach>

Rusty Russell wrote:

> We've discussed this before when talking about whether it'd be easier to
> just make people use raw bitop functions directly, so I know we have
> philosophical differences here.
> 
> So, opinion alert: if I were doing this, I'd probably live without this
> macro; in my mind it crosses the "too much abstraction" line.  I did
> momentarily wonder what this macro did when I saw it used in the
> succeeding patches.
> 

I think if you don't like that abstraction, there should be no
cpumask type at all, just use the bitmap.

I don't see what you gain from having the cpumask type but having
to get at its internals with the bitop functions.


> But it's a minor nit; thanks for doing these.
> 

Yeah it looks quite good

  reply	other threads:[~2004-06-04  2:02 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-03 16:43 [PATCH] Bitmap and Cpumask Cleanup - Overview Paul Jackson
2004-06-03 17:05 ` [PATCH] cpumask 1/10 cpu_present_map real even on non-smp Paul Jackson
2004-06-03 17:09 ` [PATCH] cpumask 2/10 bitmap cleanup preparation for cpumask overhaul Paul Jackson
2004-06-03 17:09 ` [PATCH] cpumask 3/10 bitmap inlining and optimizations Paul Jackson
2004-06-03 17:09 ` [PATCH] cpumask 4/10 uninline find_next_bit on ia64 Paul Jackson
2004-06-03 17:10 ` [PATCH] cpumask 5/10 rewrite cpumask.h - single bitmap based implementation Paul Jackson
2004-06-04  0:07   ` Andrew Morton
2004-06-04  0:25     ` Andrew Morton
2004-06-04  2:58       ` Paul Jackson
2004-06-04  2:47     ` Paul Jackson
2004-06-04  2:54       ` David S. Miller
2004-06-04  5:02         ` Paul Jackson
2004-06-04  5:01           ` David S. Miller
2004-06-04  1:47   ` Rusty Russell
2004-06-04  2:02     ` Nick Piggin [this message]
2004-06-04  2:19       ` Rusty Russell
2004-06-04  5:18       ` Paul Jackson
2004-06-04  5:22         ` David S. Miller
2004-06-04  6:57           ` Paul Jackson
2004-06-04  9:31         ` Mikael Pettersson
2004-06-04  9:37           ` William Lee Irwin III
2004-06-04  9:46             ` Mikael Pettersson
2004-06-04  9:59               ` William Lee Irwin III
2004-06-04 11:16                 ` Mikael Pettersson
2004-06-04 11:27                   ` William Lee Irwin III
2004-06-04 11:32                     ` William Lee Irwin III
2004-06-04 16:23                       ` Paul Jackson
2004-06-04 16:28                         ` William Lee Irwin III
2004-06-04 17:47                           ` Paul Jackson
2004-06-04 18:12                             ` William Lee Irwin III
2004-06-04 18:20                               ` William Lee Irwin III
2004-06-04 18:27                               ` Andrew Morton
2004-06-04 18:38                                 ` William Lee Irwin III
2004-06-05  2:51                                   ` William Lee Irwin III
2004-06-05  3:29                                     ` William Lee Irwin III
2004-06-04 18:42                               ` Paul Jackson
2004-06-04 18:42                                 ` William Lee Irwin III
2004-06-05  6:48                                   ` Paul Jackson
2004-06-06  2:07                               ` Rusty Russell
2004-06-06 12:16                                 ` Paul Jackson
2004-06-06 12:13                                   ` William Lee Irwin III
2004-06-06 12:28                                     ` Paul Jackson
2004-06-06 12:36                                       ` William Lee Irwin III
2004-06-06 13:42                                         ` Paul Jackson
2004-06-06 23:20                                   ` Rusty Russell
2004-06-07  6:44                                     ` Paul Jackson
2004-06-04  9:41           ` Andrew Morton
2004-06-05  7:01             ` Paul Jackson
2004-06-04 16:03           ` Paul Jackson
2004-06-04 16:56             ` William Lee Irwin III
2004-06-04 17:29               ` Paul Jackson
2004-06-04 17:52                 ` William Lee Irwin III
2004-06-04 19:01                   ` Paul Jackson
2004-06-04 19:08               ` Anton Blanchard
2004-06-04 19:17                 ` William Lee Irwin III
2004-06-04 20:28                 ` Andrew Morton
2004-06-07  7:55                   ` Anton Blanchard
2004-06-05  7:28                 ` Paul Jackson
2004-06-06  8:07                   ` Paul Jackson
2004-06-06  8:16                     ` William Lee Irwin III
2004-06-05  0:05               ` Paul Jackson
2004-06-05  1:31                 ` William Lee Irwin III
2004-06-05  8:04                   ` Paul Jackson
2004-06-05  8:26                     ` William Lee Irwin III
2004-06-06  8:40                       ` Paul Jackson
2004-06-06 12:34                         ` Paul Jackson
2004-06-07 16:54                       ` fix up compat_sched_[get/set]affinity Joe Korty
2004-06-07 17:07                         ` William Lee Irwin III
2004-06-04  5:30       ` [PATCH] cpumask 5/10 rewrite cpumask.h - single bitmap based implementation Paul Jackson
2004-06-04  5:35         ` Nick Piggin
2004-06-04  5:40           ` Andrew Morton
2004-06-04  5:53             ` Nick Piggin
2004-06-04  6:47             ` Paul Jackson
2004-06-04  4:31     ` Paul Jackson
2004-06-04  8:19   ` William Lee Irwin III
2004-06-04  8:43     ` Keith Owens
2004-06-04  9:54       ` William Lee Irwin III
2004-06-04 17:08         ` Paul Jackson
2004-06-09 16:38         ` William Lee Irwin III
2004-06-04  9:14     ` Paul Jackson
2004-06-03 17:10 ` [PATCH] cpumask 6/10 remove 26 no longer used cpumask*.h files Paul Jackson
2004-06-03 17:10 ` [PATCH] cpumask 7/10 remove obsolete cpumask macro uses - i386 arch Paul Jackson
2004-06-03 17:10 ` [PATCH] cpumask 8/10 remove obsolete cpumask macro uses - other archs Paul Jackson
2004-06-03 17:11 ` [PATCH] cpumask 9/10 Remove no longer used obsolete macro emulation Paul Jackson
2004-06-03 17:11 ` [PATCH] cpumask 10/10 optimize various uses of new cpumasks Paul Jackson
2004-06-04  4:27   ` Rusty Russell
2004-06-04  4:40     ` Nick Piggin
2004-06-04  4:51     ` Paul Jackson
2004-06-09  0:09   ` PATCH] cpumask 11/10 comment, spacing tweaks Paul Jackson
  -- strict thread matches above, loose matches on Subject: below --
2004-06-06 15:07 [PATCH] cpumask 5/10 rewrite cpumask.h - single bitmap based implementation Mikael Pettersson
2004-06-06 16:44 ` William Lee Irwin III
2004-06-06 17:46   ` Paul Jackson

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