leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

riscv: Align on L1_CACHE_BYTES when STRICT_KERNEL_RWX

Browse Source 
Allows the sections to be aligned on smaller boundaries and
therefore results in a smaller kernel image size.

Signed-off-by: Sebastien Van Cauwenberghe <svancau@gmail.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Sebastien Van Cauwenberghe
2021-01-29 11:00:37 -08:00
committed by Palmer Dabbelt
parent f105ea9890
commit eefb5f3ab2
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/riscv/include/asm/set_memory.h
View File

@@ -32,14 +32,14 @@ bool kernel_page_present(struct page *page);
#endif /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */
#ifdef CONFIG_ARCH_HAS_STRICT_KERNEL_RWX #ifdef CONFIG_STRICT_KERNEL_RWX
#ifdef CONFIG_64BIT #ifdef CONFIG_64BIT
#define SECTION_ALIGN (1 << 21) #define SECTION_ALIGN (1 << 21)
#else #else
#define SECTION_ALIGN (1 << 22) #define SECTION_ALIGN (1 << 22)
#endif #endif
#else /* !CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */ #else /* !CONFIG_STRICT_KERNEL_RWX */
#define SECTION_ALIGN L1_CACHE_BYTES #define SECTION_ALIGN L1_CACHE_BYTES
#endif /* CONFIG_ARCH_HAS_STRICT_KERNEL_RWX */ #endif /* CONFIG_STRICT_KERNEL_RWX */
#endif /* _ASM_RISCV_SET_MEMORY_H */ #endif /* _ASM_RISCV_SET_MEMORY_H */