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| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-02-04 01:47:08 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 17:31:43 +0000 |
| commit | d4e9056daedca3891414fe3c91de3449a5dad0f2 (patch) | |
| tree | f1231c630ab175d67f0c7ef10a995812f7638614 /usr | |
| parent | ad801428366ebbd541a5b8a1bf4d8b57ee7a8200 (diff) | |
| download | lwn-d4e9056daedca3891414fe3c91de3449a5dad0f2.tar.gz lwn-d4e9056daedca3891414fe3c91de3449a5dad0f2.zip | |
initramfs: do not show compression mode choice if INITRAMFS_SOURCE is empty
Since commit ddd09bcc899f ("initramfs: make compression options not
depend on INITRAMFS_SOURCE"), Kconfig asks the compression mode for
the built-in initramfs regardless of INITRAMFS_SOURCE.
It is technically simpler, but pointless from a UI perspective,
Linus says [1].
When INITRAMFS_SOURCE is empty, usr/Makefile creates a tiny default
cpio, which is so small that nobody cares about the compression.
This commit hides the Kconfig choice in that case. The default cpio
is embedded without compression, which was the original behavior.
[1]: https://lkml.org/lkml/2020/2/1/160
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'usr')
| -rw-r--r-- | usr/Kconfig | 1 | ||||
| -rw-r--r-- | usr/Makefile | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/usr/Kconfig b/usr/Kconfig index 529caab1a328..bdf5bbd40727 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -102,6 +102,7 @@ config RD_LZ4 choice prompt "Built-in initramfs compression mode" + depends on INITRAMFS_SOURCE != "" help This option allows you to decide by which algorithm the builtin initramfs will be compressed. Several compression algorithms are diff --git a/usr/Makefile b/usr/Makefile index 244862bfb765..b6081bb2cc72 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -8,7 +8,7 @@ # with unpack_to_rootfs(). Make size_append no-op. override size_append := : -compress-$(CONFIG_INITRAMFS_COMPRESSION_NONE) := shipped +compress-y := shipped compress-$(CONFIG_INITRAMFS_COMPRESSION_GZIP) := gzip compress-$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) := bzip2 compress-$(CONFIG_INITRAMFS_COMPRESSION_LZMA) := lzma |