diff options
Diffstat (limited to 'arch/riscv/include/asm/vdso.h')
| -rw-r--r-- | arch/riscv/include/asm/vdso.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h index 893e47195e30..208e31bc5d1c 100644 --- a/arch/riscv/include/asm/vdso.h +++ b/arch/riscv/include/asm/vdso.h @@ -16,18 +16,24 @@ #ifdef CONFIG_MMU #include <linux/types.h> -#include <generated/vdso-offsets.h> +/* + * All systems with an MMU have a VDSO, but systems without an MMU don't + * support shared libraries and therefor don't have one. + */ +#ifdef CONFIG_MMU + +#define __VVAR_PAGES 1 -#ifndef CONFIG_GENERIC_TIME_VSYSCALL -struct vdso_data { -}; -#endif +#ifndef __ASSEMBLY__ +#include <generated/vdso-offsets.h> #define VDSO_SYMBOL(base, name) \ (void __user *)((unsigned long)(base) + __vdso_##name##_offset) #endif /* CONFIG_MMU */ -asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); +#endif /* !__ASSEMBLY__ */ + +#endif /* CONFIG_MMU */ #endif /* _ASM_RISCV_VDSO_H */ |