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profiling: fix broken profiling regression
Impact: fix broken /proc/profile on UP machines Commit c309b91 "cpumask: convert kernel/profile.c" broke profiling. prof_cpu_mask was previously initialized to CPU_MASK_ALL, but left uninitialized in that commit. We need to copy cpu_possible_mask (cpu_online_mask is not enough). Signed-off-by: Hugh Dickins <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
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