[PATCH 02/34] net: mana: Assign interrupts to CPUs based on NUMA nodes
authorSaurabh Sengar <ssengar@linux.microsoft.com>
Tue, 1 Nov 2022 06:06:01 +0000 (23:06 -0700)
committerSalvatore Bonaccorso <carnil@debian.org>
Thu, 2 Jan 2025 13:31:22 +0000 (14:31 +0100)
commit24a17f94c8e0a423160a6712c09a359144df5514
tree8fa12da7d648155120baf0001d7366ef74d7a043
parentd1518704c86028f72fbfd4b678d325f1a2127727
[PATCH 02/34] net: mana: Assign interrupts to CPUs based on NUMA nodes

In large VMs with multiple NUMA nodes, network performance is usually
best if network interrupts are all assigned to the same virtual NUMA
node. This patch assigns online CPU according to a numa aware policy,
local cpus are returned first, followed by non-local ones, then it wraps
around.

Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://lore.kernel.org/r/1667282761-11547-1-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
(cherry picked from commit 71fa6887eeca7b631528f9c7a39815498de8028c)
Signed-off-by: Bastian Blank <waldi@debian.org>
Gbp-Pq: Topic features/all/ethernet-microsoft
Gbp-Pq: Name 0002-net-mana-Assign-interrupts-to-CPUs-based-on-NUMA-nod.patch
drivers/net/ethernet/microsoft/mana/gdma.h
drivers/net/ethernet/microsoft/mana/gdma_main.c