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 <l...@intel.com>
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 <li...@dominikbrodowski.net>
:::::: CC: Dominik Brodowski <li...@dominikbrodowski.net>
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