diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2021-03-15 20:03:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-24 11:26:39 +0100 |
| commit | 1f925558e3f170c815eb796ed7ce72151c1e43f7 (patch) | |
| tree | 9b98747e0c8d2bbe86982c9b01625be61d99db31 /arch/riscv | |
| parent | 7db8f3be034d5d2dbdc53d5cb65ba92594ec2b9f (diff) | |
riscv: Correct SPARSEMEM configuration
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>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a0fa4be94a68..6b23a0cb2b35 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -58,7 +58,6 @@ config RISCV select EDAC_SUPPORT select ARCH_HAS_GIGANTIC_PAGE select ARCH_WANT_HUGE_PMD_SHARE if 64BIT - select SPARSEMEM_STATIC if 32BIT select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select HAVE_ARCH_MMAP_RND_BITS select HAVE_COPY_THREAD_TLS @@ -102,7 +101,8 @@ 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 |