> +/* helper function to call adjtimex command in user mode */ > +static void run_adjtimex_cmd(s64 tickvalue) > +{ > + char *argv[4], *envp[3]; > + char str_tickvalue[20]; > + > + sprintf(str_tickvalue, "%lld", tickvalue); > + > + argv[0] = "/sbin/adjtimex"; > + argv[1] = "-t"; > + argv[2] = str_tickvalue; > + argv[3] = NULL; > + > + envp[0] = "HOME=/"; > + envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; > + envp[2] = NULL; > + > + call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC); > +}
What happens when adjtimex is not present? Is there no kernel space function for that? Does this patch affect "not setting correct time on restore" or "not setting correct time on live migration" bug? Thanks Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/