[PATCH 0/2] Add complex scheduler level for arm64

From: Qing Wang
Date: Thu Apr 21 2022 - 10:56:28 EST


From: Wang Qing <wangqing@xxxxxxxx>

The DSU-110 DynamIQ™ cluster supports blocks that are called complexes
which contain up to two cores of the same type and some shared logic.
Sharing some logic between the cores can make a complex area efficient.

This patch adds complex level for complexs by parsing cache topology
form DT. It will directly benefit a lot of workload which loves more
resources such as memory bandwidth, caches.

Note this patch only handle the DT case.

wangqing (2):
arch_topology: support for describing cache topology from DT
arm64: Add complex scheduler level for arm64

arch/arm64/Kconfig | 13 ++++++++++
arch/arm64/kernel/smp.c | 48 ++++++++++++++++++++++++++++++++++-
drivers/base/arch_topology.c | 47 +++++++++++++++++++++++++++++++++-
include/linux/arch_topology.h | 3 +++
4 files changed, 109 insertions(+), 2 deletions(-)

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2.7.4