3:56 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
sched/wip-freezer
head: 9ddb4cc740408e85babad7482f50e1b4d2490759
commit: 6b4cee97b0cda639bfd51c2ad7d6b1f6fe617013 [2/3] freezer,umh: Clean up
freezer/initrd interaction
config: x86_64-randconfig-a001-20210614 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
64720f57bea6a6bf033feef4a5751ab9c0c3b401)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?...
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/wip-freezer
git checkout 6b4cee97b0cda639bfd51c2ad7d6b1f6fe617013
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
> init/do_mounts_initrd.c:86:47: error: use of undeclared
identifier 'UMH_WAIT_FREEZABLE'
call_usermodehelper_exec(info,
UMH_WAIT_PROC|UMH_WAIT_FREEZABLE);
^
1 error generated.
vim +/UMH_WAIT_FREEZABLE +86 init/do_mounts_initrd.c
65
66 static void __init handle_initrd(void)
67 {
68 struct subprocess_info *info;
69 static char *argv[] = { "linuxrc", NULL, };
70 extern char *envp_init[];
71 int error;
72
73 pr_warn("using deprecated initrd support, will be removed in 2021.\n");
74
75 real_root_dev = new_encode_dev(ROOT_DEV);
76 create_dev("/dev/root.old", Root_RAM0);
77 /* mount initrd on rootfs' /root */
78 mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
79 init_mkdir("/old", 0700);
80 init_chdir("/old");
81
82 info = call_usermodehelper_setup("/linuxrc", argv, envp_init,
83 GFP_KERNEL, init_linuxrc, NULL, NULL);
84 if (!info)
85 return;
86 call_usermodehelper_exec(info, UMH_WAIT_PROC|UMH_WAIT_FREEZABLE);
87
88 /* move initrd to rootfs' /old */
89 init_mount("..", ".", NULL, MS_MOVE, NULL);
90 /* switch root and cwd back to / of rootfs */
91 init_chroot("..");
92
93 if (new_decode_dev(real_root_dev) == Root_RAM0) {
94 init_chdir("/old");
95 return;
96 }
97
98 init_chdir("/");
99 ROOT_DEV = new_decode_dev(real_root_dev);
100 mount_root();
101
102 printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
103 error = init_mount("/old", "/root/initrd", NULL, MS_MOVE,
NULL);
104 if (!error)
105 printk("okay\n");
106 else {
107 if (error == -ENOENT)
108 printk("/initrd does not exist. Ignored.\n");
109 else
110 printk("failed\n");
111 printk(KERN_NOTICE "Unmounting old root\n");
112 init_umount("/old", MNT_DETACH);
113 }
114 }
115
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org