Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Yury Norov <yury.norov@gmail.com>
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+10
include/linux/cpumask.h
+10
include/linux/cpumask.h
···
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#define for_each_possible_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++)
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#define for_each_online_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++)
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#define for_each_present_cpu(cpu) for ((cpu) = 0; (cpu) < 1; (cpu)++)
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+
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#define for_each_possible_cpu_wrap(cpu, start) \
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for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)
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#define for_each_online_cpu_wrap(cpu, start) \
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for ((void)(start), (cpu) = 0; (cpu) < 1; (cpu)++)
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#else
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#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
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#define for_each_online_cpu(cpu) for_each_cpu((cpu), cpu_online_mask)
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#define for_each_enabled_cpu(cpu) for_each_cpu((cpu), cpu_enabled_mask)
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#define for_each_present_cpu(cpu) for_each_cpu((cpu), cpu_present_mask)
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#define for_each_possible_cpu_wrap(cpu, start) \
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for_each_cpu_wrap((cpu), cpu_possible_mask, (start))
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#define for_each_online_cpu_wrap(cpu, start) \
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for_each_cpu_wrap((cpu), cpu_online_mask, (start))
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#endif
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/* Wrappers for arch boot code to manipulate normally-constant masks */