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| author | Nick Terrell <terrelln@fb.com> | 2020-07-30 12:08:36 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-07-31 11:49:08 +0200 |
| commit | 48f7ddf785af24aa380f3282d8d4400883d0099e (patch) | |
| tree | 2966f60c6983ba2e09c0972da2c3cca51eecf140 /Makefile | |
| parent | 4963bb2b89884bbdb7e33e6a09c159551e9627aa (diff) | |
| download | lwn-48f7ddf785af24aa380f3282d8d4400883d0099e.tar.gz lwn-48f7ddf785af24aa380f3282d8d4400883d0099e.zip | |
init: Add support for zstd compressed kernel
- Add the zstd and zstd22 cmds to scripts/Makefile.lib
- Add the HAVE_KERNEL_ZSTD and KERNEL_ZSTD options
Architecture specific support is still needed for decompression.
Signed-off-by: Nick Terrell <terrelln@fb.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200730190841.2071656-4-nickrterrell@gmail.com
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -464,6 +464,7 @@ KLZOP = lzop LZMA = lzma LZ4 = lz4c XZ = xz +ZSTD = zstd CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ -Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF) @@ -512,7 +513,7 @@ CLANG_FLAGS := export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE LEX YACC AWK INSTALLKERNEL export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX -export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ +export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS |