[PATCH 0/4 V3 net-next] net: mana: Assigning IRQ affinity on HT cores

From: Souradeep Chakrabarti
Date: Mon Jan 29 2024 - 01:21:46 EST


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.
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2.34.1