Build KernelSU as LKM (#1254)

Co-authored-by: weishu <twsxtd@gmail.com>

.github/workflows/ksud.yml

@@ -5,19 +5,27 @@ on:
       target:
         required: true
         type: string
+      os:
+        required: false
+        type: string
+        default: ubuntu-latest
       use_cache:
         required: false
         type: boolean
         default: true
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ inputs.os }}
     steps:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     # cross build failed after Rust 1.68, see https://github.com/cross-rs/cross/issues/1222
-    - run: rustup default 1.67.0
+    - name: Setup rustup
+      run: |
+        rustup default 1.67.0
+        rustup target add x86_64-apple-darwin
+        rustup target add aarch64-apple-darwin
     - uses: Swatinem/rust-cache@v2
       with:
         workspaces: userspace/ksud
@@ -33,4 +41,4 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: ksud-${{ inputs.target }}
-        path: userspace/ksud/target/**/release/ksud
+        path: userspace/ksud/target/**/release/ksud*