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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-05 05:18:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-05 05:18:29 +0300 |
| commit | 886d7de631da71e30909980fdbf318f7caade262 (patch) | |
| tree | d79c741b609098ec8c8a3643ba52f26e6a2cd4d1 /init | |
| parent | 5bfea2d9b17f1034a68147a8b03b9789af5700f9 (diff) | |
| parent | 469cbd016157d28c27fda8da6ddc76b856f4e1b9 (diff) | |
| download | linux-886d7de631da71e30909980fdbf318f7caade262.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
- More MM work. 100ish more to go. Mike Rapoport's "mm: remove
__ARCH_HAS_5LEVEL_HACK" series should fix the current ppc issue
- Various other little subsystems
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (127 commits)
lib/ubsan.c: fix gcc-10 warnings
tools/testing/selftests/vm: remove duplicate headers
selftests: vm: pkeys: fix multilib builds for x86
selftests: vm: pkeys: use the correct page size on powerpc
selftests/vm/pkeys: override access right definitions on powerpc
selftests/vm/pkeys: test correct behaviour of pkey-0
selftests/vm/pkeys: introduce a sub-page allocator
selftests/vm/pkeys: detect write violation on a mapped access-denied-key page
selftests/vm/pkeys: associate key on a mapped page and detect write violation
selftests/vm/pkeys: associate key on a mapped page and detect access violation
selftests/vm/pkeys: improve checks to determine pkey support
selftests/vm/pkeys: fix assertion in test_pkey_alloc_exhaust()
selftests/vm/pkeys: fix number of reserved powerpc pkeys
selftests/vm/pkeys: introduce powerpc support
selftests/vm/pkeys: introduce generic pkey abstractions
selftests: vm: pkeys: use the correct huge page size
selftests/vm/pkeys: fix alloc_random_pkey() to make it really random
selftests/vm/pkeys: fix assertion in pkey_disable_set/clear()
selftests/vm/pkeys: fix pkey_disable_clear()
selftests: vm: pkeys: add helpers for pkey bits
...
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 10 | ||||
| -rw-r--r-- | init/main.c | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index fdb4f52609c6..2d12d38cdd88 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -260,6 +260,16 @@ config KERNEL_UNCOMPRESSED endchoice +config DEFAULT_INIT + string "Default init path" + default "" + help + This option determines the default init for the system if no init= + option is passed on the kernel command line. If the requested path is + not present, we will still then move on to attempting further + locations (e.g. /sbin/init, etc). If this is empty, we will just use + the fallback list when init= is not passed. + config DEFAULT_HOSTNAME string "Default hostname" default "(none)" diff --git a/init/main.c b/init/main.c index df32f67214d2..76df62fc3e2c 100644 --- a/init/main.c +++ b/init/main.c @@ -1433,6 +1433,16 @@ static int __ref kernel_init(void *unused) panic("Requested init %s failed (error %d).", execute_command, ret); } + + if (CONFIG_DEFAULT_INIT[0] != '\0') { + ret = run_init_process(CONFIG_DEFAULT_INIT); + if (ret) + pr_err("Default init %s failed (error %d)\n", + CONFIG_DEFAULT_INIT, ret); + else + return 0; + } + if (!try_to_run_init_process("/sbin/init") || !try_to_run_init_process("/etc/init") || !try_to_run_init_process("/bin/init") || |