[PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Arnd Bergmann
2016-04-28T20:43:59Z

On Thursday 28 April 2016 22:19:14 Yury Norov wrote:
>
> Yes, we need. Otherwise we have circular dependency like this:
> arch/arm64/kernel/sys_ilp32.c:60:0: warning: "__SC_WRAP" redefined
> #define __SC_WRAP(nr, sym) [nr] = compat_##sym,
> ^
> In file included from include/asm-generic/unistd.h:1:0,
> from ./arch/arm64/include/uapi/asm/unistd.h:16,
> from ./arch/arm64/include/asm/unistd.h:62,
> from ./include/uapi/linux/unistd.h:7,
> from include/linux/syscalls.h:23,
> from arch/arm64/kernel/sys_ilp32.c:30:
> include/uapi/asm-generic/unistd.h:33:0: note: this is the location of the previous definition
> #define __SC_WRAP __SYSCALL
>
> Defining __SYSCALL_COMPAT at the top of the file does not help much.

Hmm, this sounds like something that we should fix in the asm-generic/unistd.h
file. Is it just for __SC_WRAP, or also the other macros?

Arnd