This patch set introduces a new helper function irq_setup(), to optimize IRQ distribution for MANA network devices. The patch set makes the driver working 15% faster than with cpumask_local_spread(). Souradeep Chakrabarti (1): net: mana: Assigning IRQ affinity on HT cores Yury Norov (3): cpumask: add cpumask_weight_andnot() cpumask: define cleanup function for cpumasks net: mana: add a function to spread IRQs per CPUs .../net/ethernet/microsoft/mana/gdma_main.c | 88 ++++++++++++++++--- include/linux/bitmap.h | 12 +++ include/linux/cpumask.h | 16 ++++ lib/bitmap.c | 7 ++ 4 files changed, 113 insertions(+), 10 deletions(-) -- Change: V1 -> V2: Added some details on the performance study on the patch 4/4. V2 -> V3: Commit message has been modified, fixed the table in patch 4/4. -- 2.34.1