Files
linux-cryptodev-2.6/include/linux
Fengnan Chang d0c98769ee blk-mq: use array manage hctx map instead of xarray
After commit 4e5cc99e1e ("blk-mq: manage hctx map via xarray"), we use
an xarray instead of array to store hctx, but in poll mode, each time
in blk_mq_poll, we need use xa_load to find corresponding hctx, this
introduce some costs. In my test, xa_load may cost 3.8% cpu.

This patch revert previous change, eliminates the overhead of xa_load
and can result in a 3% performance improvement.

Signed-off-by: Fengnan Chang <changfengnan@bytedance.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-11-28 09:09:19 -07:00
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