[PATCH v3 0/3] LoongArch: CPU parallel bring up

From: Jiaxun Yang
Date: Tue Jul 16 2024 - 10:15:19 EST


Hi all,

This series implemented CPU parallel bring up for LoongArch.

Being the first non-x86 arch enabling that we need to fix some
infra in patch 1 and 2, then implement everything in patch 3.

Please review.
Thanks

Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
Changes in v3:
- Commit message improvemente
- Remove unnecessary indirection
- Link to v2: https://lore.kernel.org/r/20240715-loongarch-hotplug-v2-0-7d18b3d46b11@xxxxxxxxxxx

Changes in v2:
- Use stub functions (tglx)
- Link to v1: https://lore.kernel.org/r/20240705-loongarch-hotplug-v1-0-67d9c4709aa9@xxxxxxxxxxx

---
Jiaxun Yang (3):
cpu/hotplug: Make HOTPLUG_PARALLEL independent of HOTPLUG_SMT
cpu/hotplug: Weak fallback for arch_cpuhp_init_parallel_bringup
LoongArch: SMP: Implement parallel CPU bring up

arch/loongarch/Kconfig | 1 +
arch/loongarch/include/asm/smp.h | 6 -----
arch/loongarch/kernel/asm-offsets.c | 10 ---------
arch/loongarch/kernel/head.S | 7 +++---
arch/loongarch/kernel/smp.c | 44 ++++++++-----------------------------
kernel/cpu.c | 16 ++++++++++++++
6 files changed, 30 insertions(+), 54 deletions(-)
---
base-commit: 82e4255305c554b0bb18b7ccf2db86041b4c8b6e
change-id: 20240704-loongarch-hotplug-3f8826b88a43

Best regards,
--
Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>