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authorDamien Le Moal <damien.lemoal@wdc.com>2020-04-13 12:04:49 +0300
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-04-24 21:40:40 +0300
commita5fe13c7b49478c95e74f31f5b8b8347735684a7 (patch)
tree603c6682c5eb85b70bce186e0968bc156ad0c47b /arch
parent7d0ce3b2b483480cc2784e25ae00fddcf815f803 (diff)
downloadlinux-a5fe13c7b49478c95e74f31f5b8b8347735684a7.tar.xz
riscv: select ARCH_HAS_STRICT_KERNEL_RWX only if MMU
ARCH_HAS_STRICT_KERNEL_RWX is not useful for NO-MMU systems. Furthermore, has this option leads to very large boot image files on 64bits architectures, do not enable this option to allow supporting no-mmu platforms such as the Kendryte K210 SoC based boards. Fixes: 00cb41d5ad31 ("riscv: add alignment for text, rodata and data sections") Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Anup Patel <anup@brainfault.org> Reviewed-by: Wladimir J. van der Laan <laanwj@gmail.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 62f7bfeb709e..74f82cf4f781 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -60,7 +60,7 @@ config RISCV
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_SET_DIRECT_MAP
select ARCH_HAS_SET_MEMORY
- select ARCH_HAS_STRICT_KERNEL_RWX
+ select ARCH_HAS_STRICT_KERNEL_RWX if MMU
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
select SPARSEMEM_STATIC if 32BIT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU