linux/arch/um/kernel
Christian Lamparter 782b1f70f8 um: fix default console kernel parameter
OpenWrt's UML with 5.15 was producing odd errors/warnings during preinit
part of the early userspace portion:

|[    0.000000] Kernel command line: ubd0=root.img root=98:0 console=tty
|[...]
|[    0.440000] random: jshn: uninitialized urandom read (4 bytes read)
|[    0.460000] random: jshn: uninitialized urandom read (4 bytes read)
|/etc/preinit: line 47: can't create /dev/tty: No such device or address
|/etc/preinit: line 48: can't create /dev/tty: No such device or address
|/etc/preinit: line 58: can't open /dev/tty: No such device or address
|[...] repeated many times

That "/dev/tty" came from the command line (which is automatically
added if no console= parameter was specified for the uml binary).

The TLDP project tells the following about the /dev/tty:
<https://tldp.org/HOWTO/Text-Terminal-HOWTO-7.html#ss7.3>
| /dev/tty stands for the controlling terminal (if any) for the current
| process.[...]
| /dev/tty is something like a link to the actually terminal device[..]

The "(if any)" is important here, since it's possible for processes to
not have a controlling terminal.

I think this was a simple typo and the author wanted tty0 there.

CC: Thomas Meyer <thomas@m3y3r.de>
Fixes: d7ffac3363 ("um: stdio_console: Make preferred console")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2022-09-19 22:38:44 +02:00
..
skas Peter Zijlstra says: 2022-01-11 17:24:45 -08:00
asm-offsets.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
config.c.in um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
dtb.c um: Fix order of dtb unflatten/early init 2022-03-11 10:44:43 +01:00
dyn.lds.S UML: add support for KASAN under x86_64 2022-07-17 23:35:22 +02:00
early_printk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
exec.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-05-11 14:33:33 -05:00
exitcode.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
gprof_syms.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
initrd.c um: Extract load file helper from initrd.c 2021-12-22 20:32:36 +01:00
ioport.c um: add PCI over virtio emulation driver 2021-06-17 21:45:43 +02:00
irq.c um: add PCI over virtio emulation driver 2021-06-17 21:45:43 +02:00
kmsg_dump.c printk: introduce a kmsg_dump iterator 2021-03-08 11:43:27 +01:00
ksyms.c um: rename set_signals() to um_set_signals() 2021-12-21 21:13:44 +01:00
load_file.c um: Extract load file helper from initrd.c 2021-12-22 20:32:36 +01:00
maccess.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
Makefile um: Add devicetree support 2021-12-22 20:35:01 +01:00
mem.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
physmem.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
process.c While looking at the ptrace problems with PREEMPT_RT and the problems 2022-06-03 16:13:25 -07:00
ptrace.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-05-11 14:33:33 -05:00
reboot.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
sigio.c um: Support dynamic IRQ allocation 2020-12-13 22:22:08 +01:00
signal.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-05-11 14:33:33 -05:00
stacktrace.c UML: add support for KASAN under x86_64 2022-07-17 23:35:22 +02:00
sysrq.c um: Clean up stacktrace dump 2020-10-11 23:25:07 +02:00
time.c um: time-travel/signals: fix ndelay() in interrupt 2021-06-17 21:44:52 +02:00
tlb.c um: remove process stub VMA 2021-02-12 21:37:38 +01:00
trap.c mm: avoid unnecessary page fault retires on shared memory types 2022-06-16 19:48:27 -07:00
um_arch.c um: fix default console kernel parameter 2022-09-19 22:38:44 +02:00
um_arch.h um: Add devicetree support 2021-12-22 20:35:01 +01:00
umid.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
uml.lds.S arch: um: Fix build for statically linked UML w/ constructors 2022-07-17 23:14:34 +02:00
vmlinux.lds.S arm, cris, mips, sparc, powerpc, um, xtensa: fix build with bash 4.0 2009-09-20 12:28:22 +02:00