Re: [Qemu-devel] [PULL v3 47/55] linux headers: update against Linux 5.2-rc1

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 5/21/19 5:28 PM, Cornelia Huck wrote:
> commit a188339ca5a396acc588e5851ed7e19f66b0ebd9
> 
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
[...]
>  #define __NR_mq_notify 184
>  __SC_COMP(__NR_mq_notify, sys_mq_notify, compat_sys_mq_notify)
>  #define __NR_mq_getsetattr 185
> @@ -536,8 +567,10 @@ __SC_COMP(__NR_msgsnd, sys_msgsnd, compat_sys_msgsnd)
>  __SYSCALL(__NR_semget, sys_semget)
>  #define __NR_semctl 191
>  __SC_COMP(__NR_semctl, sys_semctl, compat_sys_semctl)
> +#if defined(__ARCH_WANT_TIME32_SYSCALLS) || __BITS_PER_LONG != 32
>  #define __NR_semtimedop 192
> -__SC_COMP(__NR_semtimedop, sys_semtimedop, compat_sys_semtimedop)
> +__SC_COMP(__NR_semtimedop, sys_semtimedop, sys_semtimedop_time32)
> +#endif
>  #define __NR_semop 193
>  __SYSCALL(__NR_semop, sys_semop)
[...]

https://app.shippable.com/github/qemu/qemu/runs/1703/summary/console

It seems this commit introduce a regression on mips32:

  CC      mipsel-linux-user/linux-user/syscall.o
./linux-user/syscall.c: In function 'safe_semtimedop':
./linux-user/syscall.c:697:25: error: '__NR_semtimedop' undeclared
(first use in this function)
     return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
                         ^
./linux-user/syscall.c:769:1: note: in expansion of macro 'safe_syscall4'
 safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
 ^~~~~~~~~~~~~
./linux-user/syscall.c:697:25: note: each undeclared identifier is
reported only once for each function it appears in
     return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \
                         ^
./linux-user/syscall.c:769:1: note: in expansion of macro 'safe_syscall4'
 safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops,
 ^~~~~~~~~~~~~
./linux-user/syscall.c:770:45: error: control reaches end of non-void
function [-Werror=return-type]
               unsigned, nsops, const struct timespec *, timeout)
                                             ^
./linux-user/syscall.c:695:61: note: in definition of macro 'safe_syscall4'
 static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
                                                             ^~~~~
cc1: all warnings being treated as errors
./rules.mak:69: recipe for target 'linux-user/syscall.o' failed
make[1]: *** [linux-user/syscall.o] Error 1
Makefile:458: recipe for target 'subdir-mipsel-linux-user' failed
make: *** [subdir-mipsel-linux-user] Error 2