Commit 5125991c authored by Andy Lutomirski's avatar Andy Lutomirski Committed by Linus Torvalds

init: remove CONFIG_INIT_FALLBACK

CONFIG_INIT_FALLBACK adds config bloat without an obvious use case that
makes it worth keeping around.  Delete it.
Signed-off-by: default avatarAndy Lutomirski <luto@amacapital.net>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Chuck Ebbert <cebbert.lkml@gmail.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rob Landley <rob@landley.net>
Cc: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bebf56a1
......@@ -1287,22 +1287,6 @@ source "usr/Kconfig"
endif
config INIT_FALLBACK
bool "Fall back to defaults if init= parameter is bad"
default y
help
If enabled, the kernel will try the default init binaries if an
explicit request from the init= parameter fails.
This can have unexpected effects. For example, booting
with init=/sbin/kiosk_app will run /sbin/init or even /bin/sh
if /sbin/kiosk_app cannot be executed.
The default value of Y is consistent with historical behavior.
Selecting N is likely to be more appropriate for most uses,
especially on kiosks and on kernels that are intended to be
run under the control of a script.
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size"
help
......
......@@ -953,13 +953,8 @@ static int __ref kernel_init(void *unused)
ret = run_init_process(execute_command);
if (!ret)
return 0;
#ifndef CONFIG_INIT_FALLBACK
panic("Requested init %s failed (error %d).",
execute_command, ret);
#else
pr_err("Failed to execute %s (error %d). Attempting defaults...\n",
execute_command, ret);
#endif
}
if (!try_to_run_init_process("/sbin/init") ||
!try_to_run_init_process("/etc/init") ||
......
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