We already do this for PCI mappings, and the higher level code now expects that CPU on/offlining doesn't have an affect on the queue mappings.
Signed-off-by: Christoph Hellwig <[email protected]> Tested-by: Max Gurtovoy <[email protected]> Reviewed-by: Max Gurtovoy <[email protected]> --- block/blk-mq-cpumap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index 4891f042a22f..9f8cffc8a701 100644 --- a/block/blk-mq-cpumap.c +++ b/block/blk-mq-cpumap.c @@ -17,9 +17,9 @@ static int cpu_to_queue_index(unsigned int nr_queues, const int cpu) { /* - * Non online CPU will be mapped to queue index 0. + * Non present CPU will be mapped to queue index 0. */ - if (!cpu_online(cpu)) + if (!cpu_present(cpu)) return 0; return cpu % nr_queues; } -- 2.11.0
