i386: simplify smp_call_function_single() call sequence in msr-on-cpu
smp_call_function_single() now knows how to call the function on the current cpu. [ tglx: arch/x86 adaptation ] Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NAvi Kivity <avi@qumranet.com> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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