ia64: make cpu_callin_map non-volatile.
cpumask_test_cpu() doesn't take volatile, unlike the obsoleted cpu_isset. The only place ia64 really cares is the spin waiting for a bit; udelay() is probably a barrier but insert barrier() to be sure. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Signed-off-by: NTony Luck <tony.luck@intel.com>
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