Thread (19 messages) 19 messages, 5 authors, 2024-01-16

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

From: Paolo Abeni <pabeni@redhat.com>
Date: 2024-01-09 11:57:32
Also in: linux-rdma, lkml, netdev

On Tue, 2024-01-09 at 02:51 -0800, Souradeep Chakrabarti wrote:
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   | 87 ++++++++++++++++---
 include/linux/bitmap.h                        | 12 +++
 include/linux/cpumask.h                       | 16 ++++
 lib/bitmap.c                                  |  7 ++
 4 files changed, 112 insertions(+), 10 deletions(-)
net-next is closed for the merge window period, please repost when it
will re-open in ~2 weeks.

Cheers,

Paolo
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