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[Qemu-devel] [RFC 0/4] numa, spapr: add thread-id in the possible_cpus l
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [RFC 0/4] numa, spapr: add thread-id in the possible_cpus list |
Date: |
Tue, 12 Feb 2019 22:48:23 +0100 |
There are inconsistencies between the command line using
"-numa node,cpus=XX" and what is checked internally:
the XX is supposed to be a CPU number, but for SPAPR
it's taken as a core number, ignoring the threads.
(See the description message of PATCH 1 for more details)
This series fixes this problem by introducing the threads
in the possible_cpus list instead of only the cores.
To avoid inconsistent topology, it doesn't allow anymore to
have an incomplete CPU NUMA config on the command line
(there was already a message announcing it will be absoleted
for 2 years).
Laurent Vivier (4):
numa,spapr: add thread-id in the possible_cpus list
numa: exit on incomplete CPU mapping
numa: move cpu_slot_to_string() upper in the function
numa: check threads of the same core are on the same node
hw/core/machine.c | 115 ++++++++++++++++++++++++++--------------------
hw/ppc/spapr.c | 33 ++++++-------
tests/numa-test.c | 24 +---------
3 files changed, 81 insertions(+), 91 deletions(-)
--
2.20.1
- [Qemu-devel] [RFC 0/4] numa, spapr: add thread-id in the possible_cpus list,
Laurent Vivier <=
[Qemu-devel] [RFC 2/4] numa: exit on incomplete CPU mapping, Laurent Vivier, 2019/02/12
[Qemu-devel] [RFC 3/4] numa: move cpu_slot_to_string() upper in the function, Laurent Vivier, 2019/02/12
[Qemu-devel] [RFC 4/4] numa: check threads of the same core are on the same node, Laurent Vivier, 2019/02/12