On Wed, Dec 11, 2024 at 10:59 AM Jeremy Linton <jeremy.linton@xxxxxxx> wrote: > > This set adds zstd compressed image support to the image decompression > logic. This enables kexec with PE-ZBOOT images compressed with > zstd. zstd is one of those algorithms which is better in most regards > than zlib because it both compresses data better an is at the same > time faster. This is in large part because its written for modern > machines and is less of a byte oriented compression algorithm which > optimizes well on modern 64-bit machines. > > Adding this logic to kexec allows distributions to ship zstd > compressed kernels without loss of kexec/kdump functionatlity. > > Jeremy Linton (2): > zstd: Add zstd decompression logic > kexec: Enable zstd in kexec decompression paths > > configure.ac | 10 +++ > kexec/Makefile | 4 +- > kexec/kexec-pe-zboot.c | 3 +- > kexec/kexec-zstd.h | 7 ++ > kexec/kexec.c | 10 ++- > kexec/zstd.c | 191 +++++++++++++++++++++++++++++++++++++++++ > 6 files changed, 220 insertions(+), 5 deletions(-) > create mode 100644 kexec/kexec-zstd.h > create mode 100644 kexec/zstd.c > > -- > 2.47.0 > > For this series, except some trivial format issue, Tested-by: Pingfan Liu <piliu@xxxxxxxxxx> Acked-by: Pingfan Liu <piliu@xxxxxxxxxx>
