Commit d207af2e authored Feb 14, 2018 by Michael Kelley Committed by Ingo Molnar Feb 16, 2018

cpumask: Make for_each_cpu_wrap() available on UP as well



for_each_cpu_wrap() was originally added in the #else half of a
large "#if NR_CPUS == 1" statement, but was omitted in the #if
half.  This patch adds the missing #if half to prevent compile
errors when NR_CPUS is 1.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Michael Kelley <mhkelley@outlook.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kys@microsoft.com
Cc: martin.petersen@oracle.com
Cc: mikelley@microsoft.com
Fixes: c743f0a5 ("sched/fair, cpumask: Export for_each_cpu_wrap()")
Link: http://lkml.kernel.org/r/SN6PR1901MB2045F087F59450507D4FCC17CBF50@SN6PR1901MB2045.namprd19.prod.outlook.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent e525de3a

include/linux/cpumask.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,8 @@ static inline unsigned int cpumask_local_spread(unsigned int i, int node)
		for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
		#define for_each_cpu_not(cpu, mask) \
		for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
		#define for_each_cpu_wrap(cpu, mask, start) \
		for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)(start))
		#define for_each_cpu_and(cpu, mask, and) \
		for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)and)
		#else

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