From f8c2a240556eb4fcfcd3ee8e5ececce5be1ae734 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Bj=C3=B6rn=20T=C3=B6pel?= Date: Wed, 5 Jun 2024 13:40:51 +0200 Subject: [PATCH] riscv: Enable memory hotplugging for RISC-V MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- arch/riscv/Kconfig | 3 +++ 1 file changed, 3 insertions(+) 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 -- 2.50.1