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Andrew Halaney acdc5065d9 init: make unknown command line param message clearer 
[ Upstream commit 8bc2b3dca7 ]

The prior message is confusing users, which is the exact opposite of the
goal.  If the message is being seen, one of the following situations is
happening:

 1. the param is misspelled
 2. the param is not valid due to the kernel configuration
 3. the param is intended for init but isn't after the '--'
    delineator on the command line

To make that more clear to the user, explicitly mention "kernel command
line" and also note that the params are still passed to user space to
avoid causing any alarm over params intended for init.

Link: https://lkml.kernel.org/r/20211013223502.96756-1-ahalaney@redhat.com
Fixes: 86d1919a4f ("init: print out unknown kernel parameters")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-11-18 19:17:11 +01:00
..
Kconfig kbuild: Only default to -Werror if COMPILE_TEST 2021-09-07 18:47:04 -07:00
Makefile init: use $(call cmd,) for generating include/generated/compile.h 2021-05-27 04:01:50 +09:00
calibrate.c
…
do_mounts.c init: don't panic if mount_nodev_root failed 2021-09-19 22:24:52 -04:00
do_mounts.h init: add an init_mknod helper 2020-07-31 08:17:54 +02:00
do_mounts_initrd.c Merge branch 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 09:40:34 -07:00
do_mounts_rd.c init: add an init_unlink helper 2020-07-31 08:17:52 +02:00
init_task.c sched: Introduce task_struct::user_cpus_ptr to track requested affinity 2021-08-20 12:33:00 +02:00
initramfs.c init: move usermodehelper_enable() to populate_rootfs() 2021-09-08 11:50:27 -07:00
main.c init: make unknown command line param message clearer 2021-11-18 19:17:11 +01:00
noinitramfs.c init: move usermodehelper_enable() to populate_rootfs() 2021-09-08 11:50:27 -07:00
version.c kbuild: add an elfnote for whether vmlinux is built with lto 2021-04-25 05:25:42 +09:00