Re: [PATCH v1 2/2] signal: add procfd_signal() syscall

[Eugene Syromiatnikov]

On Mon, Nov 19, 2018 at 11:32:39AM +0100, Christian Brauner wrote:
> +/**
> + *  sys_procfd_signal - send a signal to a process through a process file
> + *                      descriptor
> + *  @fd: the file descriptor of the process
> + *  @sig: signal to be sent
> + *  @info: the signal info
> + *  @flags: future flags to be passed
> + */
> +SYSCALL_DEFINE4(procfd_signal, int, fd, int, sig, siginfo_t __user *, info,
> +		int, flags)

It could be considered better to use an unsigned type for the "flags"
argument.