riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO

AT_VECTOR_SIZE_ARCH should be defined with the maximum number of NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined for RISC-V at all even though ARCH_DLINFO will contain one NEW_AUX_ENT for the VDSO address. Signed-off-by: Zong Li <[email protected]> Reviewed-by: Palmer Dabbelt <[email protected]> Reviewed-by: Pekka Enberg <[email protected]> Signed-off-by: Palmer Dabbelt <[email protected]>
niw · Sep 16, 2020 · b5fca7c · b5fca7c
1 parent baf7cbd
commit b5fca7c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h
@@ -10,4 +10,7 @@
 /* vDSO location */
 #define AT_SYSINFO_EHDR 33
 
+/* entries in ARCH_DLINFO */
+#define AT_VECTOR_SIZE_ARCH	1
+
 #endif /* _UAPI_ASM_RISCV_AUXVEC_H */