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cpumask: add for_each_{possible,online}_cpu_wrap

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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: Yury Norov <yury.norov@gmail.com>
This commit is contained in:
Yury Norov
2025-02-18 11:51:22 -05:00
parent 158e9d2f33
commit 9ffa4b35a6
1 changed files with 10 additions and 0 deletions
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include/linux/cpumask.h
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@@ -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 */