Messages in this thread | | | From | Thiago Jung Bauermann <> | Subject | Re: [RFC] arm64: kexec_file_load support | Date | Fri, 08 Jul 2016 11:48:44 -0300 |
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Am Donnerstag, 07 Juli 2016, 14:12:45 schrieb Dave Young: > If so maybe change a bit from your precious mentioned 7 args proposal like > below? > > struct kexec_file_fd { > enum kexec_file_type; > int fd; > } > > struct kexec_fdset { > int nr_fd; > struct kexec_file_fd fd[0]; > } > > int kexec_file_load(int kernel_fd, int initrd_fd, > unsigned long cmdline_len, const char *cmdline_ptr, > unsigned long flags, struct kexec_fdset *extra_fds);
Is there a way for the kernel to distinguish whether the process passed 5 or 6 arguments? How can it know whether extra_fds is a valid argument or just garbage? I think we have to define a new flag KEXEC_FILE_EXTRA_FDS so that the process can signal that it is using the new interface.
-- []'s Thiago Jung Bauermann IBM Linux Technology Center
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