Merge pull request #4439 from amshinde/update-kernel-to-5.15.46

versions: Update kernel to latest LTS version 5.15.48

tools/packaging/kernel/README.md

@@ -47,7 +47,7 @@ Options:
 	-g <vendor> 	: GPU vendor, intel or nvidia.
 	-h          	: Display this help.
 	-k <path>   	: Path to kernel to build.
-	-p <path>   	: Path to a directory with patches to apply to kernel.
+	-p <path>   	: Path to a directory with patches to apply to kernel, only patches in top-level directory are applied.
 	-t <hypervisor>	: Hypervisor_target.
 	-v <version>	: Kernel version to use if kernel path not provided.
 ```
@@ -76,7 +76,7 @@ $ ./build-kernel.sh setup
 The script `./build-kernel.sh` tries to apply the patches from
 `${GOPATH}/src/github.com/kata-containers/kata-containers/tools/packaging/kernel/patches/` when it
 sets up a kernel. If you want to add a source modification, add a patch on this
-directory.
+directory. Patches present in the top-level directory are applied, with subdirectories being ignored.
 
 The script also adds a kernel config file from
 `${GOPATH}/src/github.com/kata-containers/kata-containers/tools/packaging/kernel/configs/` to `.config`

tools/packaging/scripts/apply_patches.sh

@@ -36,7 +36,7 @@ fi
 
 echo "INFO: Apply patches from $patches_dir"
 if [ -d "$patches_dir" ]; then
-	patches=($(find "$patches_dir" -name '*.patch'|sort -t- -k1,1n))
+	patches=($(find "$patches_dir" -maxdepth 1 -name '*.patch'|sort -t- -k1,1n))
 	echo "INFO: Found ${#patches[@]} patches"
 	for patch in ${patches[@]}; do
 		echo "INFO: Apply $patch"

versions.yaml

@@ -153,7 +153,7 @@ assets:
   kernel:
     description: "Linux kernel optimised for virtual machines"
     url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/"
-    version: "v5.15.26"
+    version: "v5.15.48"
     tdx:
       description: "Linux kernel that supports TDX"
       url: "https://github.com/intel/tdx/archive/refs/tags"