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riscv: Force flat memory model with no-mmu

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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>
This commit is contained in:
Damien Le Moal 2020-02-12 19:34:24 +09:00 committed by Palmer Dabbelt
parent aad15bc85c
commit aa2734202a
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arch/riscv/Kconfig
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@ -121,6 +121,7 @@ config ARCH_FLATMEM_ENABLE
config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_ENABLE
def_bool y def_bool y
depends on MMU
select SPARSEMEM_VMEMMAP_ENABLE select SPARSEMEM_VMEMMAP_ENABLE
config ARCH_SELECT_MEMORY_MODEL config ARCH_SELECT_MEMORY_MODEL