411 #define FDS_IN(fds, n)		(fds->in + n)  argument
412 #define FDS_OUT(fds, n)		(fds->out + n)  argument
413 #define FDS_EX(fds, n)		(fds->ex + n)  argument
415 #define BITS(fds, n)	(*FDS_IN(fds, n)|*FDS_OUT(fds, n)|*FDS_EX(fds, n))  argument
417 static int max_select_fd(unsigned long n, fd_set_bits *fds)  in max_select_fd()  argument
431 		set &= BITS(fds, n);  in max_select_fd()
441 		set = BITS(fds, n);  in max_select_fd()
476 static noinline_for_stack int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)  in do_select()  argument
487 	retval = max_select_fd(n, fds);  in do_select()
509 		inp = fds->in; outp = fds->out; exp = fds->ex;  in do_select()
510 		rinp = fds->res_in; routp = fds->res_out; rexp = fds->res_ex;  in do_select()
625 	fd_set_bits fds;  in core_sys_select()  local
663 	fds.in      = bits;  in core_sys_select()
664 	fds.out     = bits +   size;  in core_sys_select()
665 	fds.ex      = bits + 2*size;  in core_sys_select()
666 	fds.res_in  = bits + 3*size;  in core_sys_select()
667 	fds.res_out = bits + 4*size;  in core_sys_select()
668 	fds.res_ex  = bits + 5*size;  in core_sys_select()
670 	if ((ret = get_fd_set(n, inp, fds.in)) ||  in core_sys_select()
671 	    (ret = get_fd_set(n, outp, fds.out)) ||  in core_sys_select()
672 	    (ret = get_fd_set(n, exp, fds.ex)))  in core_sys_select()
674 	zero_fd_set(n, fds.res_in);  in core_sys_select()
675 	zero_fd_set(n, fds.res_out);  in core_sys_select()
676 	zero_fd_set(n, fds.res_ex);  in core_sys_select()
678 	ret = do_select(n, &fds, end_time);  in core_sys_select()
689 	if (set_fd_set(n, inp, fds.res_in) ||  in core_sys_select()
690 	    set_fd_set(n, outp, fds.res_out) ||  in core_sys_select()
691 	    set_fd_set(n, exp, fds.res_ex))  in core_sys_select()
1022 		struct pollfd *fds = walk->entries;  in do_sys_poll()  local
1025 		for (j = walk->len; j; fds++, ufds++, j--)  in do_sys_poll()
1026 			unsafe_put_user(fds->revents, &ufds->revents, Efault);  in do_sys_poll()
1198 	fd_set_bits fds;  in compat_core_sys_select()  local
1228 	fds.in      = (unsigned long *)  bits;  in compat_core_sys_select()
1229 	fds.out     = (unsigned long *) (bits +   size);  in compat_core_sys_select()
1230 	fds.ex      = (unsigned long *) (bits + 2*size);  in compat_core_sys_select()
1231 	fds.res_in  = (unsigned long *) (bits + 3*size);  in compat_core_sys_select()
1232 	fds.res_out = (unsigned long *) (bits + 4*size);  in compat_core_sys_select()
1233 	fds.res_ex  = (unsigned long *) (bits + 5*size);  in compat_core_sys_select()
1235 	if ((ret = compat_get_fd_set(n, inp, fds.in)) ||  in compat_core_sys_select()
1236 	    (ret = compat_get_fd_set(n, outp, fds.out)) ||  in compat_core_sys_select()
1237 	    (ret = compat_get_fd_set(n, exp, fds.ex)))  in compat_core_sys_select()
1239 	zero_fd_set(n, fds.res_in);  in compat_core_sys_select()
1240 	zero_fd_set(n, fds.res_out);  in compat_core_sys_select()
1241 	zero_fd_set(n, fds.res_ex);  in compat_core_sys_select()
1243 	ret = do_select(n, &fds, end_time);  in compat_core_sys_select()
1254 	if (compat_set_fd_set(n, inp, fds.res_in) ||  in compat_core_sys_select()
1255 	    compat_set_fd_set(n, outp, fds.res_out) ||  in compat_core_sys_select()
1256 	    compat_set_fd_set(n, exp, fds.res_ex))  in compat_core_sys_select()