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| author | Damien Le Moal <damien.lemoal@wdc.com> | 2020-02-12 19:34:24 +0900 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-03-04 10:38:17 -0800 |
| commit | aa2734202acc506d09c8e641db4da161f902df27 (patch) | |
| tree | 70a20d2fbc3959883cff145d8e097a2c96ba0b98 /arch/riscv/Kconfig | |
| parent | aad15bc85c189261b0554a7dc8e053641dd4025c (diff) | |
| download | lwn-aa2734202acc506d09c8e641db4da161f902df27.tar.gz lwn-aa2734202acc506d09c8e641db4da161f902df27.zip | |
riscv: Force flat memory model with no-mmu
Compilation errors trigger if ARCH_SPARSEMEM_ENABLE is enabled for
a nommu kernel. Since the sparsemem model does not make sense anyway
for the nommu case, do not allow selecting this option to always use
the flatmem model.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 73f029eae0cc..1a3b5a5276be 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -121,6 +121,7 @@ config ARCH_FLATMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool y + depends on MMU select SPARSEMEM_VMEMMAP_ENABLE config ARCH_SELECT_MEMORY_MODEL |