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174bcd581d
In the new aggsum counters the CPU_SEQID macro should be surrounded by kpreempt_disable)() and kpreempt_enable() calls to prevent a Linux kernel BUG warning. The addsum_add() function use the cpuid to minimize lock contention when selecting a bucket, after selection the bucket is protected by a mutex and it is safe to reschedule the process to a different processor at any time. Reviewed-by: Matthew Thode <prometheanfire@gentoo.org> Reviewed-by: Paul Dagnelie <pcd@delphix.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #7609 Closes #7610 |
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