From: Ingo Molnar <mingo@elte.hu>
To: Mike Travis <travis@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Christoph Lameter <cl@linux-foundation.org>,
Jack Steiner <steiner@sgi.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/8] cpumask: Replace/optimize cpumask_of_cpu & cpumask_t operations
Date: Fri, 18 Jul 2008 22:04:58 +0200 [thread overview]
Message-ID: <20080718200458.GA27176@elte.hu> (raw)
In-Reply-To: <20080715211429.454823000@polaris-admin.engr.sgi.com>
* Mike Travis <travis@sgi.com> wrote:
> * Patch 1 replaces the dangerous lvalue version of cpumask_of_cpu
> with new cpumask_of_cpu_ptr macros. These are patterned after the
> node_to_cpumask_ptr macros.
>
> * Patches 2..6 optimizes various places where a pointer to the cpumask_of_cpu
> value will result in reducing stack pressure.
>
> * Patch 7 provides a generic set of CPUMASK_ALLOC macros patterned after
> the SCHED_CPUMASK_ALLOC macros. This is used where multiple cpumask_t
> variables are declared on the stack to reduce the amount of stack space
> required.
>
> * Patch 8 uses the CPUMASK_ALLOC macros in the centrino_target() function.
applied to tip/cpus4096 for more testing, thanks Mike.
Ingo
prev parent reply other threads:[~2008-07-18 20:05 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-15 21:14 Mike Travis
2008-07-15 21:14 ` [PATCH 1/8] cpumask: Replace cpumask_of_cpu with cpumask_of_cpu_ptr Mike Travis
2008-07-18 5:30 ` Rusty Russell
2008-07-18 13:43 ` Mike Travis
2008-07-20 10:03 ` Rusty Russell
2008-07-23 11:20 ` Ingo Molnar
2008-07-23 11:23 ` Ingo Molnar
2008-07-23 14:26 ` Mike Travis
2008-07-24 0:46 ` Rusty Russell
2008-07-23 14:16 ` Mike Travis
2008-07-23 17:45 ` Mike Travis
2008-07-15 21:14 ` [PATCH 2/8] cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/io_apic_64.c Mike Travis
2008-07-15 21:14 ` [PATCH 3/8] cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/ldt.c Mike Travis
2008-07-15 21:14 ` [PATCH 4/8] cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c Mike Travis
2008-07-16 11:17 ` Dean Nelson
2008-07-15 21:14 ` [PATCH 5/8] cpumask: Optimize cpumask_of_cpu in kernel/time/tick-common.c Mike Travis
2008-07-15 21:14 ` [PATCH 6/8] cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c Mike Travis
2008-07-18 20:33 ` Ingo Molnar
2008-07-18 20:35 ` Ingo Molnar
2008-07-18 22:36 ` Mike Travis
2008-07-15 21:14 ` [PATCH 7/8] cpumask: Provide a generic set of CPUMASK_ALLOC macros Mike Travis
2008-07-16 6:41 ` Bert Wesarg
2008-07-16 12:25 ` Mike Travis
2008-07-16 13:01 ` Mike Travis
2008-07-15 21:14 ` [PATCH 8/8] cpumask: Use optimized CPUMASK_ALLOC macros in the centrino_target Mike Travis
2008-07-18 20:04 ` Ingo Molnar [this message]
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