linux-kernel - cpu hotplug: possible_cpus broken (again?) next-20130607

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Message-ID: <51B79BE5.80804@sr71.net>
Date:	Tue, 11 Jun 2013 14:51:33 -0700
From:	Dave Hansen <dave@...1.net>
To:	Toshi Kani <toshi.kani@...com>,
	LKML <linux-kernel@...r.kernel.org>, rjw@...k.pl
Subject: cpu hotplug:  possible_cpus broken (again?) next-20130607

possible_cpus looks broken again.  I'm booting with:

 maxcpus=10 possible_cpus=160

But I only get 0-9 in sysfs:

> # ls /sys/devices/system/cpu/
> cpu0  cpu2  cpu4  cpu6  cpu8  cpufreq  kernel_max  offline  possible  probe    uevent
> cpu1  cpu3  cpu5  cpu7  cpu9  cpuidle  modalias    online   present   release



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