From: Tejun Heo <tj@kernel.org>
To: Christoph Lameter <cl@linux.com>
Cc: akpm@linux-foundation.org, Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel@vger.kernel.org,
Eric Dumazet <eric.dumazet@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [cpuops cmpxchg V2 2/5] x86: this_cpu_cmpxchg and this_cpu_xchg operations
Date: Fri, 17 Dec 2010 16:22:11 +0100 [thread overview]
Message-ID: <4D0B8023.1070009@kernel.org> (raw)
In-Reply-To: <20101214162853.636123666@linux.com>
On 12/14/2010 05:28 PM, Christoph Lameter wrote:
> Provide support as far as the hardware capabilities of the x86 cpus
> allow.
>
> Define CONFIG_CMPXCHG_LOCAL in Kconfig.cpu to allow core code to test for
> fast cpuops implementations.
>
> V1->V2:
> - Take out the definition for this_cpu_cmpxchg_8 and move it into
> a separate patch.
>
> Signed-off-by: Christoph Lameter <cl@linux.com>
I reorderd ops so that it follow the organization better. I'll soon
post the updated patch. Thanks.
--
tejun
next prev parent reply other threads:[~2010-12-17 15:22 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 16:28 [cpuops cmpxchg V2 0/5] Cmpxchg and xchg operations Christoph Lameter
2010-12-14 16:28 ` [cpuops cmpxchg V2 1/5] percpu: Generic this_cpu_cmpxchg() and this_cpu_xchg support Christoph Lameter
2010-12-17 14:55 ` Tejun Heo
2010-12-14 16:28 ` [cpuops cmpxchg V2 2/5] x86: this_cpu_cmpxchg and this_cpu_xchg operations Christoph Lameter
2010-12-17 15:22 ` Tejun Heo [this message]
2010-12-14 16:28 ` [cpuops cmpxchg V2 3/5] irq_work: Use per cpu atomics instead of regular atomics Christoph Lameter
2010-12-15 16:32 ` Tejun Heo
2010-12-15 16:34 ` H. Peter Anvin
2010-12-15 16:50 ` Peter Zijlstra
2010-12-15 17:04 ` Christoph Lameter
2010-12-15 17:18 ` Peter Zijlstra
2010-12-15 17:31 ` H. Peter Anvin
2010-12-15 17:32 ` Christoph Lameter
2010-12-18 15:32 ` Tejun Heo
2010-12-14 16:28 ` [cpuops cmpxchg V2 4/5] vmstat: User per cpu atomics to avoid interrupt disable / enable Christoph Lameter
2010-12-15 16:45 ` Tejun Heo
2010-12-15 17:01 ` Christoph Lameter
2010-12-14 16:28 ` [cpuops cmpxchg V2 5/5] cpuops: Use cmpxchg for xchg to avoid lock semantics Christoph Lameter
2010-12-14 16:35 ` Mathieu Desnoyers
2010-12-14 16:44 ` Eric Dumazet
2010-12-14 16:55 ` Christoph Lameter
2010-12-14 17:00 ` H. Peter Anvin
2010-12-14 17:19 ` Christoph Lameter
2010-12-14 17:22 ` H. Peter Anvin
2010-12-14 17:29 ` Tejun Heo
2010-12-14 17:35 ` Christoph Lameter
2010-12-15 1:06 ` H. Peter Anvin
2010-12-15 16:29 ` Tejun Heo
2010-12-15 16:35 ` H. Peter Anvin
2010-12-15 16:39 ` Tejun Heo
2010-12-16 16:14 ` Tejun Heo
2010-12-16 18:13 ` x86: Use this_cpu_has for thermal_interrupt Christoph Lameter
2010-12-18 15:35 ` Tejun Heo
2010-12-21 0:56 ` H. Peter Anvin
2010-12-30 11:29 ` Tejun Heo
2010-12-30 18:19 ` H. Peter Anvin
2010-12-31 12:43 ` Tejun Heo
2010-12-16 18:14 ` x86: udelay: Use this_cpu_read to avoid address calculation Christoph Lameter
2010-12-16 18:15 ` gameport: use this_cpu_read instead of lookup Christoph Lameter
2010-12-18 15:34 ` Tejun Heo
2010-12-16 18:16 ` acpi throttling: Use this_cpu_has and simplify code Christoph Lameter
2010-12-18 15:50 ` Tejun Heo
2010-12-21 1:52 ` ykzhao
2010-12-21 22:43 ` Christoph Lameter
2010-12-21 4:28 ` Len Brown
2010-12-16 18:19 ` [cpuops cmpxchg V2 5/5] cpuops: Use cmpxchg for xchg to avoid lock semantics H. Peter Anvin
2010-12-16 18:55 ` Tejun Heo
2010-12-16 20:42 ` H. Peter Anvin
2010-12-15 16:47 ` Tejun Heo
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