From: Ma Wupeng mawupeng1@huawei.com
Add support for l3t & l0.
Last Level Cache driver for platforms such Kunpeng 920. This provides interfaces to enable LLC cache lockdown.
L0 driver for platforms such Kunpeng 920. This provides interfaces to for user to alloc and lock memory.
Changelog since v1: - return -EINVAL if sccl_to_node_id return err. - code refactoring in hisi_lockdown.c
Changelog since v2: - code cleanup in hisi_lockdown.c
Changelog since v3: - adjusting the patch order - cleanup in l3t.c - rename get_page_policy_node to get_vma_policy_node - export symbol cpu_logical_map without GPL
Ma Wupeng (6): export symbol alloc_contig_pages arm64: export cpu_logical_map mm/mempolicy: Add and export get_page_policy_node hisi: l3t: Add L3 cache driver for hisi hisi: l0: Add support for l0 arm64: config: Enable hisi l3t & l0 by default
arch/arm64/configs/openeuler_defconfig | 2 + arch/arm64/kernel/setup.c | 1 + drivers/soc/hisilicon/Kconfig | 18 ++ drivers/soc/hisilicon/Makefile | 3 + drivers/soc/hisilicon/hisi_l0.c | 172 ++++++++++++++++ drivers/soc/hisilicon/hisi_l3t.h | 45 +++++ drivers/soc/hisilicon/hisi_lockdown.c | 140 +++++++++++++ drivers/soc/hisilicon/l3t.c | 263 +++++++++++++++++++++++++ include/linux/mempolicy.h | 4 + mm/mempolicy.c | 23 +++ mm/page_alloc.c | 1 + 11 files changed, 672 insertions(+) create mode 100644 drivers/soc/hisilicon/hisi_l0.c create mode 100644 drivers/soc/hisilicon/hisi_l3t.h create mode 100644 drivers/soc/hisilicon/hisi_lockdown.c create mode 100644 drivers/soc/hisilicon/l3t.c