diff --git a/arch/riscv/include/asm/set_memory.h b/arch/riscv/include/asm/set_memory.h index 620d81c372d9d..4c5bae7ca01c8 100644 --- a/arch/riscv/include/asm/set_memory.h +++ b/arch/riscv/include/asm/set_memory.h @@ -6,6 +6,7 @@ #ifndef _ASM_RISCV_SET_MEMORY_H #define _ASM_RISCV_SET_MEMORY_H +#ifndef __ASSEMBLY__ /* * Functions to change memory attributes. */ @@ -24,4 +25,16 @@ static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } int set_direct_map_invalid_noflush(struct page *page); int set_direct_map_default_noflush(struct page *page); +#endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_ARCH_HAS_STRICT_KERNEL_RWX +#ifdef CONFIG_64BIT +#define SECTION_ALIGN (1 << 21) +#else +#define SECTION_ALIGN (1 << 22) +#endif +#else /* !CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */ +#define SECTION_ALIGN L1_CACHE_BYTES +#endif /* CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */ + #endif /* _ASM_RISCV_SET_MEMORY_H */ diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 9e8adca9b20f5..4ad3c8eb241db 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -9,6 +9,7 @@ #include #include #include +#include OUTPUT_ARCH(riscv) ENTRY(_start) @@ -36,6 +37,7 @@ SECTIONS PERCPU_SECTION(L1_CACHE_BYTES) __init_end = .; + . = ALIGN(SECTION_ALIGN); .text : { _text = .; _stext = .; @@ -53,13 +55,14 @@ SECTIONS /* Start of data section */ _sdata = .; - RO_DATA(L1_CACHE_BYTES) + RO_DATA(SECTION_ALIGN) .srodata : { *(.srodata*) } EXCEPTION_TABLE(0x10) + . = ALIGN(SECTION_ALIGN); _data = .; RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)