build-scx-selftests: make repo-root a required argument

build-scx-selftests/action.yml

@@ -1,30 +1,30 @@
-name: 'build selftests'
-description: 'Build selftests/sched_ext'
+name: 'Build selftests/sched_ext'
 inputs:
   kbuild-output:
-    description: 'relative or absolute path to use for storing build artifacts'
+    description: 'Path to the kernel build output'
+    required: true
+  repo-root:
+    description: "Path to the root of the kernel repository"
     required: true
   arch:
     description: 'arch'
     required: true
   toolchain:
-    description: 'what toolchain to use'
+    description: 'gcc or llvm'
     default: 'gcc'
     required: true
-  repo-root:
-    description: "Path to the root of the kernel repository. Default: github.workspace"
-  max-make-jobs:
-    description: 'Maximum number of jobs to use when running make (e.g argument to -j). Default: 4*nproc'
-    default: ''
   llvm-version:
     description: 'llvm version'
     required: false
     default: '16'
+  max-make-jobs:
+    description: 'Maximum number of jobs to use when running make (e.g argument to -j). Default: 4*nproc'
+    default: ''
 
 runs:
   using: "composite"
   steps:
-    - name: build selftests/sched_ext
+    - name: Build selftests/sched_ext
       env:
         KBUILD_OUTPUT: ${{ inputs.kbuild-output }}
         MAX_MAKE_JOBS: ${{ inputs.max-make-jobs }}