Commit 9ffa4b35 authored by Yury Norov's avatar Yury Norov
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cpumask: add for_each_{possible,online}_cpu_wrap 



The iterators are trivial extensions of for_each_cpu_wrap(). They
are used in the following patches of the series to replace
cpumask_next_wrap().

Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
parent 158e9d2f

include/linux/cpumask.h

+10 −0
Original line number Diff line number Diff line
@@ -1033,11 +1033,21 @@ extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS); 
#define for_each_possible_cpu(cpu)	for ((cpu) = 0; (cpu) < 1; (cpu)++)

#define for_each_online_cpu(cpu)	for ((cpu) = 0; (cpu) < 1; (cpu)++)

#define for_each_present_cpu(cpu)	for ((cpu) = 0; (cpu) < 1; (cpu)++)



#define for_each_possible_cpu_wrap(cpu, start)	\

	for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)

#define for_each_online_cpu_wrap(cpu, start)	\

	for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)

#else

#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)

#define for_each_online_cpu(cpu)   for_each_cpu((cpu), cpu_online_mask)

#define for_each_enabled_cpu(cpu)   for_each_cpu((cpu), cpu_enabled_mask)

#define for_each_present_cpu(cpu)  for_each_cpu((cpu), cpu_present_mask)



#define for_each_possible_cpu_wrap(cpu, start)	\

	for_each_cpu_wrap((cpu), cpu_possible_mask, (start))

#define for_each_online_cpu_wrap(cpu, start)	\

	for_each_cpu_wrap((cpu), cpu_online_mask, (start))

#endif



/* Wrappers for arch boot code to manipulate normally-constant masks */