From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Christoph Lameter <clameter@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
David Miller <davem@davemloft.net>,
Eric Dumazet <dada1@cosmosbay.com>,
Peter Zijlstra <peterz@infradead.org>,
Mike Travis <travis@sgi.com>
Subject: Re: [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations
Date: Thu, 12 Jun 2008 10:58:01 +1000 [thread overview]
Message-ID: <200806121058.02125.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0806111635350.27184@schroedinger.engr.sgi.com>
On Thursday 12 June 2008 09:39, Christoph Lameter wrote:
> On Wed, 11 Jun 2008, Rusty Russell wrote:
> > > 4. The modeling of local_t on atomic_t limits it to 32bit!
> >
> > Again wrong. And adding an exclamation mark doesn't make it true.
>
> Ewww ... Its atomic_long_t ahh. Ok then there no 32 bit support. What about
> pointers?
sizeof(long) == sizeof(void *) in Linux, right?
If you were to support just a single data type, long would probably
be the most useful. Still, it might be more consistent to support
int and long, same as atomic.
next prev parent reply other threads:[~2008-06-12 0:58 UTC|newest]
Thread overview: 163+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-30 3:56 [patch 00/41] cpu alloc / cpu ops v3: Optimize per cpu access Christoph Lameter
2008-05-30 3:56 ` [patch 01/41] cpu_alloc: Increase percpu area size to 128k Christoph Lameter
2008-06-02 17:58 ` Luck, Tony
2008-06-02 23:48 ` Rusty Russell
2008-06-10 17:22 ` Christoph Lameter
2008-06-10 17:22 ` Christoph Lameter
2008-06-10 19:54 ` Luck, Tony
2008-05-30 3:56 ` [patch 02/41] cpu alloc: The allocator Christoph Lameter
2008-05-30 4:58 ` Andrew Morton
2008-05-30 5:10 ` Christoph Lameter
2008-05-30 5:31 ` Andrew Morton
2008-06-02 9:29 ` Paul Jackson
2008-05-30 5:56 ` KAMEZAWA Hiroyuki
2008-05-30 6:16 ` Christoph Lameter
2008-06-04 14:48 ` Mike Travis
2008-05-30 5:04 ` Eric Dumazet
2008-05-30 5:20 ` Christoph Lameter
2008-05-30 5:52 ` Rusty Russell
2008-06-04 15:30 ` Mike Travis
2008-06-05 23:48 ` Rusty Russell
2008-05-30 5:54 ` Eric Dumazet
2008-06-04 14:58 ` Mike Travis
2008-06-04 15:11 ` Eric Dumazet
2008-06-06 0:32 ` Rusty Russell
2008-06-06 0:32 ` Rusty Russell
2008-06-10 17:33 ` Christoph Lameter
2008-06-10 18:05 ` Eric Dumazet
2008-06-10 18:28 ` Christoph Lameter
2008-05-30 5:46 ` Rusty Russell
2008-06-04 15:04 ` Mike Travis
2008-06-10 17:34 ` Christoph Lameter
2008-05-31 20:58 ` Pavel Machek
2008-05-30 3:56 ` [patch 03/41] cpu alloc: Use cpu allocator instead of the builtin modules per cpu allocator Christoph Lameter
2008-05-30 4:58 ` Andrew Morton
2008-05-30 5:14 ` Christoph Lameter
2008-05-30 5:34 ` Andrew Morton
2008-05-30 6:08 ` Rusty Russell
2008-05-30 6:21 ` Christoph Lameter
2008-05-30 3:56 ` [patch 04/41] cpu ops: Core piece for generic atomic per cpu operations Christoph Lameter
2008-05-30 4:58 ` Andrew Morton
2008-05-30 5:17 ` Christoph Lameter
2008-05-30 5:38 ` Andrew Morton
2008-05-30 6:12 ` Christoph Lameter
2008-05-30 7:08 ` Rusty Russell
2008-05-30 18:00 ` Christoph Lameter
2008-06-02 2:00 ` Rusty Russell
2008-06-04 18:18 ` Mike Travis
2008-06-05 23:59 ` Rusty Russell
2008-06-09 19:00 ` Christoph Lameter
2008-06-09 23:27 ` Rusty Russell
2008-06-09 23:54 ` Christoph Lameter
2008-06-10 2:56 ` Rusty Russell
2008-06-10 3:18 ` Christoph Lameter
2008-06-11 0:03 ` Rusty Russell
2008-06-11 0:15 ` Christoph Lameter
2008-06-09 23:09 ` Christoph Lameter
2008-06-10 17:42 ` Christoph Lameter
2008-06-11 11:10 ` Rusty Russell
2008-06-11 23:39 ` Christoph Lameter
2008-06-12 0:58 ` Nick Piggin [this message]
2008-06-12 2:44 ` Rusty Russell
2008-06-12 3:40 ` Nick Piggin
2008-06-12 9:37 ` Martin Peschke
2008-06-12 11:21 ` Nick Piggin
2008-06-12 17:19 ` Christoph Lameter
2008-06-13 0:38 ` Rusty Russell
2008-06-13 2:27 ` Christoph Lameter
2008-06-15 10:33 ` Rusty Russell
2008-06-15 10:33 ` Rusty Russell
2008-06-16 14:52 ` Christoph Lameter
2008-06-17 0:24 ` Rusty Russell
2008-06-17 2:29 ` Christoph Lameter
2008-06-17 14:21 ` Mike Travis
2008-05-30 7:05 ` Rusty Russell
2008-05-30 6:32 ` Rusty Russell
2008-05-30 3:56 ` [patch 05/41] cpu alloc: Percpu_counter conversion Christoph Lameter
2008-05-30 6:47 ` Rusty Russell
2008-05-30 17:54 ` Christoph Lameter
2008-05-30 3:56 ` [patch 06/41] cpu alloc: crash_notes conversion Christoph Lameter
2008-05-30 3:56 ` [patch 07/41] cpu alloc: Workqueue conversion Christoph Lameter
2008-05-30 3:56 ` [patch 08/41] cpu alloc: ACPI cstate handling conversion Christoph Lameter
2008-05-30 3:56 ` [patch 09/41] cpu alloc: Genhd statistics conversion Christoph Lameter
2008-05-30 3:56 ` [patch 10/41] cpu alloc: blktrace conversion Christoph Lameter
2008-05-30 3:56 ` [patch 11/41] cpu alloc: SRCU cpu alloc conversion Christoph Lameter
2008-05-30 3:56 ` [patch 12/41] cpu alloc: XFS counter conversion Christoph Lameter
2008-05-30 3:56 ` [patch 13/41] cpu alloc: NFS statistics Christoph Lameter
2008-05-30 3:56 ` [patch 14/41] cpu alloc: Neigbour statistics Christoph Lameter
2008-05-30 3:56 ` [patch 15/41] cpu_alloc: Convert ip route statistics Christoph Lameter
2008-05-30 3:56 ` [patch 16/41] cpu alloc: Tcp statistics conversion Christoph Lameter
2008-05-30 3:56 ` [patch 17/41] cpu alloc: Convert scratches to cpu alloc Christoph Lameter
2008-05-30 3:56 ` [patch 18/41] cpu alloc: Dmaengine conversion Christoph Lameter
2008-05-30 3:56 ` [patch 19/41] cpu alloc: Convert loopback statistics Christoph Lameter
2008-05-30 3:56 ` [patch 20/41] cpu alloc: Veth conversion Christoph Lameter
2008-05-30 3:56 ` [patch 21/41] cpu alloc: Chelsio statistics conversion Christoph Lameter
2008-05-30 3:56 ` [patch 22/41] cpu alloc: Convert network sockets inuse counter Christoph Lameter
2008-05-30 3:56 ` [patch 23/41] cpu alloc: Use it for infiniband Christoph Lameter
2008-05-30 3:56 ` [patch 24/41] cpu alloc: Use in the crypto subsystem Christoph Lameter
2008-05-30 3:56 ` [patch 25/41] cpu alloc: scheduler: Convert cpuusage to cpu_alloc Christoph Lameter
2008-05-30 3:56 ` [patch 26/41] cpu alloc: Convert mib handling to cpu alloc Christoph Lameter
2008-05-30 6:47 ` Eric Dumazet
2008-05-30 18:01 ` Christoph Lameter
2008-05-30 3:56 ` [patch 27/41] cpu alloc: Remove the allocpercpu functionality Christoph Lameter
2008-05-30 4:58 ` Andrew Morton
2008-05-30 3:56 ` [patch 28/41] Module handling: Use CPU_xx ops to dynamically allocate counters Christoph Lameter
2008-05-30 3:56 ` [patch 29/41] x86_64: Use CPU ops for nmi alert counter Christoph Lameter
2008-05-30 3:56 ` [patch 30/41] Remove local_t support Christoph Lameter
2008-05-30 3:56 ` [patch 31/41] VM statistics: Use CPU ops Christoph Lameter
2008-05-30 3:56 ` [patch 32/41] cpu alloc: Use in slub Christoph Lameter
2008-05-30 3:56 ` [patch 33/41] cpu alloc: Remove slub fields Christoph Lameter
2008-05-30 3:56 ` [patch 34/41] cpu alloc: Page allocator conversion Christoph Lameter
2008-05-30 3:56 ` [patch 35/41] Support for CPU ops Christoph Lameter
2008-05-30 4:58 ` Andrew Morton
2008-05-30 5:18 ` Christoph Lameter
2008-05-30 3:56 ` [patch 36/41] Zero based percpu: Infrastructure to rebase the per cpu area to zero Christoph Lameter
2008-05-30 3:56 ` [patch 37/41] x86_64: Fold pda into per cpu area Christoph Lameter
2008-05-30 3:56 ` [patch 38/41] x86: Extend percpu ops to 64 bit Christoph Lameter
2008-05-30 3:56 ` [patch 39/41] x86: Replace cpu_pda() using percpu logic and get rid of _cpu_pda() Christoph Lameter
2008-05-30 3:57 ` [patch 40/41] x86: Replace xxx_pda() operations with x86_xx_percpu() Christoph Lameter
2008-05-30 3:57 ` [patch 41/41] x86_64: Support for cpu ops Christoph Lameter
2008-05-30 4:58 ` [patch 00/41] cpu alloc / cpu ops v3: Optimize per cpu access Andrew Morton
2008-05-30 5:03 ` Christoph Lameter
2008-05-30 5:21 ` Andrew Morton
2008-05-30 5:27 ` Christoph Lameter
2008-05-30 5:49 ` Andrew Morton
2008-05-30 6:16 ` Christoph Lameter
2008-05-30 6:51 ` KAMEZAWA Hiroyuki
2008-05-30 14:38 ` Mike Travis
2008-05-30 17:50 ` Christoph Lameter
2008-05-30 18:00 ` Matthew Wilcox
2008-05-30 18:12 ` Christoph Lameter
2008-05-30 6:01 ` Eric Dumazet
2008-05-30 6:16 ` Andrew Morton
2008-05-30 6:22 ` Christoph Lameter
2008-05-30 6:37 ` Andrew Morton
2008-05-30 11:32 ` Matthew Wilcox
2008-06-04 15:07 ` Mike Travis
2008-06-06 5:33 ` Eric Dumazet
2008-06-06 13:08 ` Mike Travis
2008-06-08 6:00 ` Rusty Russell
2008-06-09 18:44 ` Christoph Lameter
2008-06-09 19:11 ` Andi Kleen
2008-06-09 20:15 ` Eric Dumazet
2008-05-30 9:12 ` Peter Zijlstra
2008-05-30 9:18 ` Ingo Molnar
2008-05-30 18:11 ` Christoph Lameter
2008-05-30 18:40 ` Peter Zijlstra
2008-05-30 18:56 ` Christoph Lameter
2008-05-30 19:13 ` Peter Zijlstra
2008-06-01 3:25 ` Christoph Lameter
2008-06-01 8:19 ` Peter Zijlstra
2008-05-30 18:06 ` Christoph Lameter
2008-05-30 18:19 ` Peter Zijlstra
2008-05-30 18:26 ` Christoph Lameter
2008-05-30 18:47 ` Peter Zijlstra
2008-05-30 19:10 ` Christoph Lameter
2008-05-30 19:21 ` Peter Zijlstra
2008-05-30 19:35 ` Peter Zijlstra
2008-06-01 3:27 ` Christoph Lameter
2008-05-30 18:08 ` Christoph Lameter
2008-05-30 18:39 ` Peter Zijlstra
2008-05-30 18:51 ` Christoph Lameter
2008-05-30 19:00 ` Peter Zijlstra
2008-05-30 19:11 ` Christoph Lameter
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