From: Rusty Russell <rusty@rustcorp.com.au>
Date: Sat, 31 Jan 2009 12:51:24 +0000 (+1030)
Subject: sched_rt: don't use first_cpu on cpumask created with cpumask_and
X-Git-Tag: v2.6.29-rc4~68^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d398703ef06fd97b4c28c86b580546d5b57e7b7;p=pandora-kernel.git

sched_rt: don't use first_cpu on cpumask created with cpumask_and

cpumask_and() only initializes nr_cpu_ids bits, so the (deprecated)
first_cpu() might find one of those uninitialized bits if nr_cpu_ids
is less than NR_CPUS (as it can be for CONFIG_CPUMASK_OFFSTACK).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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