From 04420b2509c334c152a35acdaf9039d49190776c Mon Sep 17 00:00:00 2001
From: Joe Zheng <joe.zheng@intel.com>
Date: Thu, 8 May 2025 14:49:47 +0800
Subject: [PATCH] extract the .zst kernal modules

the latest Ubuntu use .zst compressed kernel modules, but the modprobe
in busybox doesn't support this, so extract them first
---
 initramfs/initramfs_create | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/initramfs/initramfs_create b/initramfs/initramfs_create
index 9a82361c..0843605b 100755
--- a/initramfs/initramfs_create
+++ b/initramfs/initramfs_create
@@ -135,8 +135,9 @@ copy_including_deps /$LMK/modules.*
 copy_including_deps /usr/share/terminfo/l/linux
 
 
-find $INITRAMFS -name "*.ko.gz" -exec gunzip {} \;
-find $INITRAMFS -name "*.ko.xz" -exec xz -d {} \;
+find $INITRAMFS \(   -name '*.gz'  -exec gunzip {} \; \
+                  -o -name '*.xz'  -exec unxz {} \; \
+                  -o -name '*.zst' -exec unzstd --rm {} \; \)
 
 # trim modules.order file. Perhaps we could remove it entirely
 MODULEORDER="$(cd "$INITRAMFS/$LMK/"; find -name "*.ko" | sed -r "s:^./::g" | tr "\n" "|" | sed -r "s:[.]:.:g")"