Latest GCC version emit the following warnings
As arch/powerpc code is built with -Werror, this breaks build with
GCC 8.1
This patch inhibits those warnings
CC arch/powerpc/kernel/syscalls.o
In file included from arch/powerpc/kernel/syscalls.c:24:
./include/linux/syscalls.h:233:18: error: 'sys_mmap2' alias between functions
of incompatible types 'long int(long unsigned int, size_t, long unsigned int,
long unsigned int, long unsigned int, long unsigned int)' {aka 'long
int(long unsigned int, long unsigned int, long unsigned int, long unsigned
int, long unsigned int, long unsigned int)'} and 'long int(long int, long
int, long int, long int, long int, long int)' [-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:216:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/syscalls.c:65:1: note: in expansion of macro
'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len,
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:216:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/syscalls.c:65:1: note: in expansion of macro
'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len,
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:233:18: error: 'sys_mmap' alias between functions of
incompatible types 'long int(long unsigned int, size_t, long unsigned int,
long unsigned int, long unsigned int, off_t)' {aka 'long int(long unsigned
int, long unsigned int, long unsigned int, long unsigned int, long unsigned
int, long int)'} and 'long int(long int, long int, long int, long int,
long int, long int)' [-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:216:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/syscalls.c:72:1: note: in expansion of macro
'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:216:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/syscalls.c:72:1: note: in expansion of macro
'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
^~~~~~~~~~~~~~~
CC arch/powerpc/kernel/signal_32.o
In file included from arch/powerpc/kernel/signal_32.c:31:
./include/linux/compat.h:74:18: error: 'compat_sys_swapcontext' alias between
functions of incompatible types 'long int(struct ucontext32 *, struct
ucontext32 *, int)' and 'long int(long int, long int, long int)'
[-Werror=attribute-alias]
asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~~~~~~~~
./include/linux/compat.h:58:2: note: in expansion of macro
'COMPAT_SYSCALL_DEFINEx'
COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/signal_32.c:1041:1: note: in expansion of macro
'COMPAT_SYSCALL_DEFINE3'
COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
^~~~~~~~~~~~~~~~~~~~~~
./include/linux/compat.h:79:18: note: aliased declaration here
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~~~~~~~~
./include/linux/compat.h:58:2: note: in expansion of macro
'COMPAT_SYSCALL_DEFINEx'
COMPAT_SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/signal_32.c:1041:1: note: in expansion of macro
'COMPAT_SYSCALL_DEFINE3'
COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
^~~~~~~~~~~~~~~~~~~~~~
CC arch/powerpc/kernel/signal_64.o
In file included from arch/powerpc/kernel/signal_64.c:27:
./include/linux/syscalls.h:233:18: error: 'sys_swapcontext' alias between
functions of incompatible types 'long int(struct ucontext *, struct ucontext *,
long int)' and 'long int(long int, long int, long int)'
[-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/signal_64.c:628:1: note: in expansion of macro
'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/signal_64.c:628:1: note: in expansion of macro
'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
^~~~~~~~~~~~~~~
CC arch/powerpc/kernel/rtas.o
In file included from arch/powerpc/kernel/rtas.c:29:
./include/linux/syscalls.h:233:18: error: 'sys_rtas' alias between functions of
incompatible types 'long int(struct rtas_args *)' and 'long int(long int)'
[-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:211:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/rtas.c:1054:1: note: in expansion of macro 'SYSCALL_DEFINE1'
SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:211:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/rtas.c:1054:1: note: in expansion of macro 'SYSCALL_DEFINE1'
SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
^~~~~~~~~~~~~~~
CC arch/powerpc/kernel/pci_64.o
In file included from arch/powerpc/kernel/pci_64.c:23:
./include/linux/syscalls.h:233:18: error: 'sys_pciconfig_iobase' alias between
functions of incompatible types 'long int(long int, long unsigned int, long
unsigned int)' and 'long int(long int, long int, long int)'
[-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/pci_64.c:206:1: note: in expansion of macro
'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
^~~~~~~~~~~~~~~
./include/linux/syscalls.h:238:18: note: aliased declaration here
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
^~~~~~~~
./include/linux/syscalls.h:222:2: note: in expansion of macro
'__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
./include/linux/syscalls.h:213:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
^~~~~~~~~~~~~~~
arch/powerpc/kernel/pci_64.c:206:1: note: in expansion of macro
'SYSCALL_DEFINE3'
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
^~~~~~~~~~~~~~~
Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
