From: Björn Töpel Date: Wed, 5 Jun 2024 11:40:51 +0000 (+0200) Subject: riscv: Enable memory hotplugging for RISC-V X-Git-Tag: v6.11-rc1~94^2~7^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f8c2a240556eb4fcfcd3ee8e5ececce5be1ae734;p=thirdparty%2Fkernel%2Flinux.git riscv: Enable memory hotplugging for RISC-V Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for RISC-V. Reviewed-by: Alexandre Ghiti Signed-off-by: Björn Töpel Link: https://lore.kernel.org/r/20240605114100.315918-9-bjorn@kernel.org Signed-off-by: Palmer Dabbelt --- diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index b94176e25be18..676377e3f7f7b 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -16,6 +16,8 @@ config RISCV select ACPI_REDUCED_HARDWARE_ONLY if ACPI select ARCH_DMA_DEFAULT_COHERENT select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION + select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM_VMEMMAP + select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_BINFMT_FLAT @@ -46,6 +48,7 @@ config RISCV select ARCH_HAS_UBSAN select ARCH_HAS_VDSO_DATA select ARCH_KEEP_MEMBLOCK if ACPI + select ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE if 64BIT && MMU select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT select ARCH_STACKWALK