From: Tejun Heo <tj@kernel.org>
Date: Tue, 12 Mar 2013 18:30:04 +0000 (-0700)
Subject: cpumask: implement cpumask_parse()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~125^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba630e4940924ad1962883c207a62890778ced63;p=pandora-kernel.git

cpumask: implement cpumask_parse()

We have cpulist_parse() but not cpumask_parse().  Implement it using
bitmap_parse().

bitmap_parse() is weird in that it takes @len for a string in
kernel-memory which also is inconsistent with bitmap_parselist().
Make cpumask_parse() calculate the length and don't expose the
inconsistency to cpumask users.  Maybe we can fix up bitmap_parse()
later.

This will be used to expose workqueue cpumask knobs to userland via
sysfs.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
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