tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git device_h_splitup head: 3faaa7db6e6cb1d64da7778d1a4076b923277558 commit: c0ff8d9b83c875831cb030576dc9a087202c3f41 [3/7] device.h: move devtmpfs prototypes out of the file config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout c0ff8d9b83c875831cb030576dc9a087202c3f41 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): init/do_mounts.c: In function 'prepare_namespace': >> init/do_mounts.c:689:2: error: too few arguments to function 'devtmpfs_mount' devtmpfs_mount(); ^~~~~~~~~~~~~~ In file included from include/linux/cdev.h:8:0, from include/linux/tty_driver.h:245, from include/linux/tty.h:9, from init/do_mounts.c:6: include/linux/device.h:1667:12: note: declared here extern int devtmpfs_mount(const char *mntdir); ^~~~~~~~~~~~~~ vim +/devtmpfs_mount +689 init/do_mounts.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 632 ^1da177e4c3f41 Linus Torvalds 2005-04-16 633 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 634 * Prepare the namespace - decide what/where to mount, load ramdisks, etc. ^1da177e4c3f41 Linus Torvalds 2005-04-16 635 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 636 void __init prepare_namespace(void) ^1da177e4c3f41 Linus Torvalds 2005-04-16 637 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 638 int is_floppy; ^1da177e4c3f41 Linus Torvalds 2005-04-16 639 ^1da177e4c3f41 Linus Torvalds 2005-04-16 640 if (root_delay) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 641 printk(KERN_INFO "Waiting %d sec before mounting root device...\n", ^1da177e4c3f41 Linus Torvalds 2005-04-16 642 root_delay); ^1da177e4c3f41 Linus Torvalds 2005-04-16 643 ssleep(root_delay); ^1da177e4c3f41 Linus Torvalds 2005-04-16 644 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 645 216773a787c3c4 Arjan van de Ven 2009-02-14 646 /* 216773a787c3c4 Arjan van de Ven 2009-02-14 647 * wait for the known devices to complete their probing 216773a787c3c4 Arjan van de Ven 2009-02-14 648 * 216773a787c3c4 Arjan van de Ven 2009-02-14 649 * Note: this is a potential source of long boot delays. 216773a787c3c4 Arjan van de Ven 2009-02-14 650 * For example, it is not atypical to wait 5 seconds here 216773a787c3c4 Arjan van de Ven 2009-02-14 651 * for the touchpad of a laptop to initialize. 216773a787c3c4 Arjan van de Ven 2009-02-14 652 */ 216773a787c3c4 Arjan van de Ven 2009-02-14 653 wait_for_device_probe(); d779249ed4cb3b Greg Kroah-Hartman 2006-07-18 654 ^1da177e4c3f41 Linus Torvalds 2005-04-16 655 md_run_setup(); ^1da177e4c3f41 Linus Torvalds 2005-04-16 656 ^1da177e4c3f41 Linus Torvalds 2005-04-16 657 if (saved_root_name[0]) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 658 root_device_name = saved_root_name; 2d62f488585405 Adrian Hunter 2008-01-31 659 if (!strncmp(root_device_name, "mtd", 3) || 2d62f488585405 Adrian Hunter 2008-01-31 660 !strncmp(root_device_name, "ubi", 3)) { e9482b4374e259 Joern Engel 2006-05-30 661 mount_block_root(root_device_name, root_mountflags); e9482b4374e259 Joern Engel 2006-05-30 662 goto out; e9482b4374e259 Joern Engel 2006-05-30 663 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 664 ROOT_DEV = name_to_dev_t(root_device_name); ^1da177e4c3f41 Linus Torvalds 2005-04-16 665 if (strncmp(root_device_name, "/dev/", 5) == 0) ^1da177e4c3f41 Linus Torvalds 2005-04-16 666 root_device_name += 5; ^1da177e4c3f41 Linus Torvalds 2005-04-16 667 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 668 ^1da177e4c3f41 Linus Torvalds 2005-04-16 669 if (initrd_load()) ^1da177e4c3f41 Linus Torvalds 2005-04-16 670 goto out; ^1da177e4c3f41 Linus Torvalds 2005-04-16 671 cc1ed7542c8c26 Pierre Ossman 2007-07-15 672 /* wait for any asynchronous scanning to complete */ cc1ed7542c8c26 Pierre Ossman 2007-07-15 673 if ((ROOT_DEV == 0) && root_wait) { cc1ed7542c8c26 Pierre Ossman 2007-07-15 674 printk(KERN_INFO "Waiting for root device %s...\n", cc1ed7542c8c26 Pierre Ossman 2007-07-15 675 saved_root_name); cc1ed7542c8c26 Pierre Ossman 2007-07-15 676 while (driver_probe_done() != 0 || cc1ed7542c8c26 Pierre Ossman 2007-07-15 677 (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) 39a0e975c37dee Jungseung Lee 2016-12-12 678 msleep(5); 216773a787c3c4 Arjan van de Ven 2009-02-14 679 async_synchronize_full(); cc1ed7542c8c26 Pierre Ossman 2007-07-15 680 } cc1ed7542c8c26 Pierre Ossman 2007-07-15 681 cc1ed7542c8c26 Pierre Ossman 2007-07-15 682 is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR; cc1ed7542c8c26 Pierre Ossman 2007-07-15 683 ^1da177e4c3f41 Linus Torvalds 2005-04-16 684 if (is_floppy && rd_doload && rd_load_disk(0)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 685 ROOT_DEV = Root_RAM0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 686 ^1da177e4c3f41 Linus Torvalds 2005-04-16 687 mount_root(); ^1da177e4c3f41 Linus Torvalds 2005-04-16 688 out: 5e787dbf659fe7 Dominik Brodowski 2018-10-23 @689 devtmpfs_mount(); cccaa5e33525fc Dominik Brodowski 2018-10-23 690 do_mount(".", "/", NULL, MS_MOVE, NULL); a16fe33ab5572e Dominik Brodowski 2018-03-11 691 ksys_chroot("."); ^1da177e4c3f41 Linus Torvalds 2005-04-16 692 } 57f150a58c40cd Rob Landley 2013-09-11 693 :::::: The code at line 689 was first introduced by commit :::::: 5e787dbf659fe77d56215be74044f85e01b3920f devtmpfs: use do_mount() instead of ksys_mount() :::::: TO: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> :::::: CC: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
Attachment:
.config.gz
Description: application/gzip
_______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
