On Sun, 11 Nov 2018 22:19:02 PST (-0800), [email protected] wrote:
On Mon, Nov 12, 2018 at 5:10 AM Zong Li <[email protected]> wrote:The stat64 family that is used on 32-bit architectures to replace newstat. Since commit 67314ec7b0250290cc85eaa7a2f88a8ddb9e8547 ("RISC-V: Request newstat syscalls"), the RV32 build fail with undeclared 'sys_fstatat64' Signed-off-by: Zong Li <[email protected]> --- arch/riscv/include/asm/unistd.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/include/asm/unistd.h b/arch/riscv/include/asm/unistd.h index eff7aa9..a4aade9 100644 --- a/arch/riscv/include/asm/unistd.h +++ b/arch/riscv/include/asm/unistd.h @@ -18,5 +18,6 @@ #define __ARCH_WANT_NEW_STAT #define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_STAT64 #include <uapi/asm/unistd.h> #include <uapi/asm/syscalls.h> --See: http://lists.infradead.org/pipermail/linux-riscv/2018-November/002087.html The plan is not to have old stat syscalls and support statx on riscv32, which is y2038 safe. The issue you see is a bug in include/uapi/asm-generic/unistd.h. Marcin (CC) already sent a patch to Arnd (CC) IIRC. Basically without __ARCH_WANT_NEW_STAT or __ARCH_WANT_STAT64 two macros are not defined: __NR3264_fstatat and __NR3264_fstat. Which is later used (without any guards): 763 #define __NR_newfstatat __NR3264_fstatat 764 #define __NR_fstat __NR3264_fstat
I agree. Thanks!

