From: Peter Zijlstra <peterz@infradead.org>
To: Henrik Austad <henrik@austad.us>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Henrik Austad <haustad@cisco.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
John Stultz <john.stultz@linaro.org>
Subject: Re: [PATCH Resend] Expose do_timer CPU via sysctl to userspace as R/W
Date: Wed, 19 Feb 2014 20:50:44 +0100 [thread overview]
Message-ID: <20140219195044.GZ14089@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <20140219194355.GA23228@austad.us>
On Wed, Feb 19, 2014 at 08:43:55PM +0100, Henrik Austad wrote:
> The online-part should be taken care of by the cpu_present(), no?
No, cpu_present() only means there is a physical CPU present. It might
be offline.
See the comment in include/linux/cpumask.h
prev parent reply other threads:[~2014-02-19 19:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-19 12:32 [PATCH Resend] Expose do_timer CPU via sysctl to userspace as R/W henrik
2014-02-19 16:42 ` Thomas Gleixner
2014-02-19 19:43 ` Henrik Austad
2014-02-19 19:50 ` Peter Zijlstra [this message]
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