arm64 build broken on linux next 20201021 - include/uapi/asm-generic/unistd.h:862:26: error: array index in initializer exceeds array bounds

[Naresh Kamboju]

arm64 build broken while building linux next 20201021 tag.

include/uapi/asm-generic/unistd.h:862:26: error: array index in
initializer exceeds array bounds
#define __NR_watch_mount 441
                         ^

Reported-by: Naresh Kamboju <naresh.kamboju at linaro.org>

build error log on arm64:
--------------------------------
include/uapi/asm-generic/unistd.h:862:26: error: array index in
initializer exceeds array bounds
#define __NR_watch_mount 441
                         ^
arch/arm64/kernel/sys.c:56:29: note: in definition of macro '__SYSCALL'
#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
                            ^~
include/uapi/asm-generic/unistd.h:863:11: note: in expansion of macro
'__NR_watch_mount'
__SYSCALL(__NR_watch_mount, sys_watch_mount)
          ^~~~~~~~~~~~~~~~
include/uapi/asm-generic/unistd.h:862:26: note: (near initialization
for 'sys_call_table')
#define __NR_watch_mount 441
                         ^
arch/arm64/kernel/sys.c:56:29: note: in definition of macro '__SYSCALL'
#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
                            ^~
include/uapi/asm-generic/unistd.h:863:11: note: in expansion of macro
'__NR_watch_mount'
__SYSCALL(__NR_watch_mount, sys_watch_mount)
          ^~~~~~~~~~~~~~~~
arch/arm64/kernel/sys.c:56:35: warning: excess elements in array initializer
#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
                                  ^
include/uapi/asm-generic/unistd.h:863:1: note: in expansion of macro '__SYSCALL'
__SYSCALL(__NR_watch_mount, sys_watch_mount)
^~~~~~~~~
arch/arm64/kernel/sys.c:56:35: note: (near initialization for 'sys_call_table')
#define __SYSCALL(nr, sym) [nr] = __arm64_##sym,
                                  ^
include/uapi/asm-generic/unistd.h:863:1: note: in expansion of macro '__SYSCALL'
__SYSCALL(__NR_watch_mount, sys_watch_mount)
^~~~~~~~~
scripts/Makefile.build:283: recipe for target 'arch/arm64/kernel/sys.o' failed
| make[3]: *** [arch/arm64/kernel/sys.o] Error 1
scripts/Makefile.build:500: recipe for target 'arch/arm64/kernel' failed
| make[2]: *** [arch/arm64/kernel] Error 2

full test log,
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=hikey,label=docker-lkft/882/consoleText


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