diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-04-29 18:10:04 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-05-06 19:40:15 +0300 |
| commit | 8d91b097335892bfbc9fd5783e80e25f0fb5bb2b (patch) | |
| tree | 89b20f1deb2665fb4c8f91d58c2de524a7f1ed52 /arch/riscv/kernel/setup.c | |
| parent | 0e0d4992517fba81ecbceb5b71d2851f1208a02b (diff) | |
| download | linux-8d91b097335892bfbc9fd5783e80e25f0fb5bb2b.tar.xz | |
riscv: Consistify protect_kernel_linear_mapping_text_rodata() use
The various uses of protect_kernel_linear_mapping_text_rodata() are
not consistent:
- Its definition depends on "64BIT && !XIP_KERNEL",
- Its forward declaration depends on MMU,
- Its single caller depends on "STRICT_KERNEL_RWX && 64BIT && MMU &&
!XIP_KERNEL".
Fix this by settling on the dependencies of the caller, which can be
simplified as STRICT_KERNEL_RWX depends on "MMU && !XIP_KERNEL".
Provide a dummy definition, as the caller is protected by
"IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)" instead of "#ifdef
CONFIG_STRICT_KERNEL_RWX".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/kernel/setup.c')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 7b31779101f6..03901d3a8b02 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -293,9 +293,7 @@ void __init setup_arch(char **cmdline_p) if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) { protect_kernel_text_data(); -#if defined(CONFIG_64BIT) && defined(CONFIG_MMU) && !defined(CONFIG_XIP_KERNEL) protect_kernel_linear_mapping_text_rodata(); -#endif } #ifdef CONFIG_SWIOTLB |