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From: Mike Travis <travis@sgi.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: [PATCH 3/4] cpumask: use maxcpus=NUM to extend the cpu limit as well as restrict the limit
Date: Fri, 12 Dec 2008 07:38:34 -0800	[thread overview]
Message-ID: <4942857A.8050909@sgi.com> (raw)
In-Reply-To: <200812122211.36590.rusty@rustcorp.com.au>

Rusty Russell wrote:
> On Thursday 11 December 2008 21:58:09 Mike Travis wrote:
>> Impact: allow adding additional cpus.
>>
>> Use maxcpus=NUM kernel parameter to extend the number of possible cpus as well
>> as (currently) limit them.  Any cpus >= number of present cpus will disabled.
> ...
> 
> These two bits of logic are very similar: can we merge them?
> 
...

Since there's already precedence for "possible_cpus=XXX" might that be a better
alternative?  In which case maxcpus does not need to change at all.

Thanks,
Mike

  reply	other threads:[~2008-12-12 15:38 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-11 11:28 [PATCH 0/4] cpumask: fixups and additions Mike Travis
2008-12-11 11:28 ` [PATCH 1/4] x86: fix assign_irq_vector boot up problem Mike Travis
2008-12-12  8:27   ` Rusty Russell
2008-12-12  9:20     ` Ingo Molnar
2008-12-12 18:10       ` Mike Travis
2008-12-12 19:06         ` Mike Travis
2008-12-11 11:28 ` [PATCH 2/4] x86: fix cpu_mask_to_apicid_and to include cpu_online_mask Mike Travis
2008-12-12 11:06   ` Rusty Russell
2008-12-12 16:37     ` Mike Travis
2008-12-13 12:03       ` Rusty Russell
2008-12-11 11:28 ` [PATCH 3/4] cpumask: use maxcpus=NUM to extend the cpu limit as well as restrict the limit Mike Travis
2008-12-11 13:41   ` Heiko Carstens
2008-12-11 18:19     ` Mike Travis
2008-12-12 10:03       ` Heiko Carstens
2008-12-12 11:41   ` Rusty Russell
2008-12-12 15:38     ` Mike Travis [this message]
2008-12-11 11:28 ` [PATCH 4/4] cpumask: add sysfs displays for configured and disabled cpu maps Mike Travis
2008-12-12 11:44   ` Rusty Russell

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