From: Kefeng Wang <wangkefeng.w...@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.w...@huawei.com>
Cc: sta...@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabb...@google.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 arch/riscv/Kconfig |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -87,7 +87,6 @@ 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
@@ -148,7 +147,8 @@ 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


Reply via email to