* [obsolete] init-add-support-for-zstd-compressed-modules.patch removed from -mm tree
@ 2021-04-09 1:55 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2021-04-09 1:55 UTC (permalink / raw)
To: lucjan.lucjanov, masahiroy, mm-commits, oleksandr, terrelln
The patch titled
Subject: init: add support for zstd compressed modules
has been removed from the -mm tree. Its filename was
init-add-support-for-zstd-compressed-modules.patch
This patch was dropped because it is obsolete
------------------------------------------------------
From: Piotr Gorski <lucjan.lucjanov@gmail.com>
Subject: init: add support for zstd compressed modules
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
Requires this update to mkinitcpio:
https://github.com/archlinux/mkinitcpio/pull/43
Link: https://lkml.kernel.org/r/20210330113235.2767216-1-lucjan.lucjanov@gmail.com
Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
Reviewed-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Makefile | 7 +++++--
init/Kconfig | 9 ++++++---
2 files changed, 11 insertions(+), 5 deletions(-)
--- a/init/Kconfig~init-add-support-for-zstd-compressed-modules
+++ a/init/Kconfig
@@ -2222,8 +2222,8 @@ config MODULE_COMPRESS
bool "Compress modules on installation"
help
- Compresses kernel modules when 'make modules_install' is run; gzip or
- xz depending on "Compression algorithm" below.
+ Compresses kernel modules when 'make modules_install' is run; gzip,
+ xz, or zstd depending on "Compression algorithm" below.
module-init-tools MAY support gzip, and kmod MAY support gzip and xz.
@@ -2245,7 +2245,7 @@ choice
This determines which sort of compression will be used during
'make modules_install'.
- GZIP (default) and XZ are supported.
+ GZIP (default), XZ, and ZSTD are supported.
config MODULE_COMPRESS_GZIP
bool "GZIP"
@@ -2253,6 +2253,9 @@ config MODULE_COMPRESS_GZIP
config MODULE_COMPRESS_XZ
bool "XZ"
+config MODULE_COMPRESS_ZSTD
+ bool "ZSTD"
+
endchoice
config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS
--- a/Makefile~init-add-support-for-zstd-compressed-modules
+++ a/Makefile
@@ -1066,8 +1066,8 @@ endif # INSTALL_MOD_STRIP
export mod_strip_cmd
# CONFIG_MODULE_COMPRESS, if defined, will cause module to be compressed
-# after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP
-# or CONFIG_MODULE_COMPRESS_XZ.
+# after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP,
+# CONFIG_MODULE_COMPRESS_XZ, or CONFIG_MODULE_COMPRESS_ZSTD.
mod_compress_cmd = true
ifdef CONFIG_MODULE_COMPRESS
@@ -1077,6 +1077,9 @@ ifdef CONFIG_MODULE_COMPRESS
ifdef CONFIG_MODULE_COMPRESS_XZ
mod_compress_cmd = $(XZ) --lzma2=dict=2MiB -f
endif # CONFIG_MODULE_COMPRESS_XZ
+ ifdef CONFIG_MODULE_COMPRESS_ZSTD
+ mod_compress_cmd = $(ZSTD) -T0 --rm -f -q
+ endif # CONFIG_MODULE_COMPRESS_ZSTD
endif # CONFIG_MODULE_COMPRESS
export mod_compress_cmd
_
Patches currently in -mm which might be from lucjan.lucjanov@gmail.com are
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2021-04-09 1:55 [obsolete] init-add-support-for-zstd-compressed-modules.patch removed from -mm tree akpm
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