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Groups > linux.kernel > #1492144
| From | klondike <klondike@klondike.es> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 1/2] initramfs: Select builtin initram compression algorithm on KConfig instead of Makefile |
| Date | 2016-09-27 22:40 +0200 |
| Message-ID | <sm7kt-5JY-3@gated-at.bofh.it> (permalink) |
| References | <o49a9-8kJ-5@gated-at.bofh.it> <sm6oq-58G-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This patch moves the current builtin initram compression algorithm selection from the Makefile into the INITRAMFS_COMPRESSION variable. This makes deciding algorithm precedence easier and would allow for overrides if new algorithms want to be tested. Signed-off-by: Francisco Blas Izquierdo Riera (klondike) <klondike@klondike.es> Cc: P J P <ppandit@redhat.com> Cc: Paul Bolle <pebolle@tiscali.nl> Cc: Andrew Morton <akpm@linux-foundation.org> --- I'm sorry for the noise. I'm resending this as a new version because Thunderbird likes to word wrap things it shouldn't be word wrapping. diff --git a/usr/Kconfig b/usr/Kconfig index 572dcf7..bf8e8f1 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -98,3 +98,13 @@ config RD_LZ4 help Support loading of a LZ4 encoded initial ramdisk or cpio buffer If unsure, say N. + +config INITRAMFS_COMPRESSION + string + default ".gz" if RD_GZIP + default ".lz4" if RD_LZ4 + default ".lzo" if RD_LZO + default ".xz" if RD_XZ + default ".lzma" if RD_LZMA + default ".bz2" if RD_BZIP2 + default "" diff --git a/usr/Makefile b/usr/Makefile index e767f01..17a5132 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -5,25 +5,7 @@ klibcdirs:; PHONY += klibcdirs - -# Bzip2 -suffix_$(CONFIG_RD_BZIP2) = .bz2 - -# Lzma -suffix_$(CONFIG_RD_LZMA) = .lzma - -# XZ -suffix_$(CONFIG_RD_XZ) = .xz - -# Lzo -suffix_$(CONFIG_RD_LZO) = .lzo - -# Lz4 -suffix_$(CONFIG_RD_LZ4) = .lz4 - -# Gzip -suffix_$(CONFIG_RD_GZIP) = .gz - +suffix_y = $(CONFIG_INITRAMFS_COMPRESSION) AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)" # Generate builtin.o based on initramfs_data.o
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[PATCH v2 1/2] initramfs: allow again choice of the embedded compression algorithm klondike <klondike@klondike.es> - 2016-09-27 21:40 +0200 [PATCH v2 2/2] initramfs: allow again choice of the embedded compression algorithm klondike <klondike@klondike.es> - 2016-09-27 21:40 +0200 [PATCH v3 1/2] initramfs: Select builtin initram compression algorithm on KConfig instead of Makefile klondike <klondike@klondike.es> - 2016-09-27 22:40 +0200 [PATCH v3 2/2] initramfs: Allow again choice of the embedded initram compression algorithm klondike <klondike@klondike.es> - 2016-09-27 22:40 +0200
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