On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote: [..] > -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, > +SYSCALL_DEFINE6(kexec_file_load, int, kernel_fd, int, initrd_fd, > unsigned long, cmdline_len, const char __user *, cmdline_ptr, > - unsigned long, flags) > + unsigned long, flags, const struct kexec_fdset __user *, ufdset) Can one add more parameters to existing syscall. Can it break existing programs with new kernel? I was of the impression that one can't do that. But may be I am missing something. Vivek
