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percpu: fix percpu accessors to potentially !cpu_possible() cpus: m32r
Impact: CPU iterator bugfixes Percpu areas are only allocated for possible cpus. In general, you shouldn't access random cpu's percpu areas. Signed-off-by: Rusty Russell <[email protected]> Signed-off-by: Mike Travis <[email protected]> Acked-by: Ingo Molnar <[email protected]> Acked-by: Hirokazu Takata <[email protected]>
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