From: Kefeng Wang wangkefeng.wang@huawei.com
commit a5406a7ff56e63376c210b06072aa0ef23473366 upstream.
There are two issues for RV32, 1) if use FLATMEM, it is useless to enable SPARSEMEM_STATIC. 2) if use SPARSMEM, both SPARSEMEM_VMEMMAP and SPARSEMEM_STATIC is enabled.
Fixes: d95f1a542c3d ("RISC-V: Implement sparsemem") Signed-off-by: Kefeng Wang wangkefeng.wang@huawei.com Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt palmerdabbelt@google.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/riscv/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -84,7 +84,6 @@ config RISCV select PCI_MSI if PCI select RISCV_INTC select RISCV_TIMER if RISCV_SBI - select SPARSEMEM_STATIC if 32BIT select SPARSE_IRQ select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK @@ -145,7 +144,8 @@ config ARCH_FLATMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool y depends on MMU - select SPARSEMEM_VMEMMAP_ENABLE + select SPARSEMEM_STATIC if 32BIT && SPARSMEM + select SPARSEMEM_VMEMMAP_ENABLE if 64BIT
config ARCH_SELECT_MEMORY_MODEL def_bool ARCH_SPARSEMEM_ENABLE