Unverified Commit f8c2a240 authored by Björn Töpel's avatar Björn Töpel Committed by Palmer Dabbelt
Browse files

riscv: Enable memory hotplugging for RISC-V 



Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for
RISC-V.

Reviewed-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: default avatarBjörn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20240605114100.315918-9-bjorn@kernel.org


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 37992b7f

arch/riscv/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -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