From: Ingo Molnar <mingo@elte.hu>
To: Mahesh Jagannath Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Suresh B Siddha <suresh.b.siddha@intel.com>,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
svaidy@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com,
dipankar@in.ibm.com, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH] Don't export sched_mc_power_savings on multi-socket single core system
Date: Wed, 8 Apr 2009 13:42:03 +0200 [thread overview]
Message-ID: <20090408114203.GA30441@elte.hu> (raw)
In-Reply-To: <49DC89A3.3090605@linux.vnet.ibm.com>
* Mahesh Jagannath Salgaonkar <mahesh@linux.vnet.ibm.com> wrote:
> Fix to prevent sched_mc_power_saving from being exported through
> sysfs for multi-scoket single core system. Max cores should be
> always greater than one (1). My earlier patch that introduced fix
> for not exporting 'sched_mc_power_saving' on laptops broke it on
> multi-socket single core system. This fix addresses issue on both
> laptop and multi-socket single core system. Below are the Test
> results:
> +#define mc_capable() (boot_cpu_data.x86_max_cores > 1) && \
> + (cpumask_weight(cpu_core_mask(0)) != nr_cpu_ids)
> #define smt_capable() (smp_num_siblings > 1)
patch looks good but is whitespace damaged (all tabs were converted
to spaces). See Documentation/email-clients.txt about how to set up
your client.
Ingo
prev parent reply other threads:[~2009-04-08 12:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 11:25 [PATCH] Don't export sched_mc_power_savings on multi-socket single core system Mahesh Jagannath Salgaonkar
2009-04-08 11:42 ` Ingo Molnar [this message]
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