diff options
Diffstat (limited to 'arch/riscv/include/asm/vdso.h')
-rw-r--r-- | arch/riscv/include/asm/vdso.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h index 1453a2f563bc..d8d003c2b5a3 100644 --- a/arch/riscv/include/asm/vdso.h +++ b/arch/riscv/include/asm/vdso.h @@ -9,25 +9,15 @@ #define _ASM_RISCV_VDSO_H #include <linux/types.h> +#include <generated/vdso-offsets.h> #ifndef CONFIG_GENERIC_TIME_VSYSCALL struct vdso_data { }; #endif -/* - * The VDSO symbols are mapped into Linux so we can just use regular symbol - * addressing to get their offsets in userspace. The symbols are mapped at an - * offset of 0, but since the linker must support setting weak undefined - * symbols to the absolute address 0 it also happens to support other low - * addresses even when the code model suggests those low addresses would not - * otherwise be availiable. - */ #define VDSO_SYMBOL(base, name) \ -({ \ - extern const char __vdso_##name[]; \ - (void __user *)((unsigned long)(base) + __vdso_##name); \ -}) + (void __user *)((unsigned long)(base) + __vdso_##name##_offset) asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); |