riscv: Enable memory hotplugging for RISC-V
Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for RISC-V. Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/20240605114100.315918-9-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -16,6 +16,8 @@ config RISCV
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select ACPI_REDUCED_HARDWARE_ONLY if ACPI
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select ACPI_REDUCED_HARDWARE_ONLY if ACPI
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select ARCH_DMA_DEFAULT_COHERENT
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select ARCH_DMA_DEFAULT_COHERENT
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select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
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select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
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select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM_VMEMMAP
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select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
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select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
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select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
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select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
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select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
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select ARCH_HAS_BINFMT_FLAT
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select ARCH_HAS_BINFMT_FLAT
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@ -46,6 +48,7 @@ config RISCV
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select ARCH_HAS_UBSAN
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select ARCH_HAS_UBSAN
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select ARCH_HAS_VDSO_DATA
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select ARCH_HAS_VDSO_DATA
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select ARCH_KEEP_MEMBLOCK if ACPI
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select ARCH_KEEP_MEMBLOCK if ACPI
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select ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE if 64BIT && MMU
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select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
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select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
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select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
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select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
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select ARCH_STACKWALK
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select ARCH_STACKWALK
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