diff --git a/.github/workflows/pr-test-amd.yml b/.github/workflows/pr-test-amd.yml
index a2e8e9988bfd..769775cee53a 100644
--- a/.github/workflows/pr-test-amd.yml
+++ b/.github/workflows/pr-test-amd.yml
@@ -99,6 +99,19 @@ jobs:
             sgl_kernel:
               - "sgl-kernel/**"
               - ".github/workflows/pr-test-amd.yml"
+              # Exclude non-ROCm platform configs and code
+              - "!sgl-kernel/pyproject_cpu.toml"
+              - "!sgl-kernel/pyproject.toml"
+              - "!sgl-kernel/pyproject_musa.toml"
+              - "!sgl-kernel/setup_musa.py"
+              - "!sgl-kernel/csrc/cpu/**"
+              # Exclude documentation and non-functional files
+              - "!sgl-kernel/README.md"
+              - "!sgl-kernel/LICENSE"
+              - "!sgl-kernel/THIRDPARTYNOTICES.txt"
+              - "!sgl-kernel/.clang-format"
+              - "!sgl-kernel/analyze_whl_kernel_sizes.py"
+              - "!sgl-kernel/rename_wheels.sh"
             multimodal_gen:
               - "python/sglang/multimodal_gen/**"
               - "python/sglang/cli/**"
diff --git a/.github/workflows/pr-test-xeon.yml b/.github/workflows/pr-test-xeon.yml
index 021a1308593c..aa093e933131 100644
--- a/.github/workflows/pr-test-xeon.yml
+++ b/.github/workflows/pr-test-xeon.yml
@@ -58,7 +58,12 @@ jobs:
               - "python/sglang/!(multimodal_gen)/**"
               - "python/pyproject_cpu.toml"
               - "test/**"
-              - "sgl-kernel/**"
+              # Only trigger on CPU-specific sgl-kernel changes
+              - "sgl-kernel/pyproject_cpu.toml"
+              - "sgl-kernel/csrc/cpu/**"
+              - "sgl-kernel/python/**"
+              - "sgl-kernel/include/**"
+              - "sgl-kernel/tests/**"
               - ".github/workflows/pr-test-xeon.yml"
               - "docker/xeon.Dockerfile"
 
diff --git a/.github/workflows/pr-test-xpu.yml b/.github/workflows/pr-test-xpu.yml
index 38b89762a75a..b1bc41c00a6e 100644
--- a/.github/workflows/pr-test-xpu.yml
+++ b/.github/workflows/pr-test-xpu.yml
@@ -58,6 +58,20 @@ jobs:
               - "python/pyproject_xpu.toml"
               - "test/**"
               - "sgl-kernel/**"
+              # Exclude non-XPU platform configs and code
+              - "!sgl-kernel/pyproject_cpu.toml"
+              - "!sgl-kernel/pyproject_rocm.toml"
+              - "!sgl-kernel/pyproject_musa.toml"
+              - "!sgl-kernel/setup_rocm.py"
+              - "!sgl-kernel/setup_musa.py"
+              - "!sgl-kernel/csrc/cpu/**"
+              # Exclude documentation and non-functional files
+              - "!sgl-kernel/README.md"
+              - "!sgl-kernel/LICENSE"
+              - "!sgl-kernel/THIRDPARTYNOTICES.txt"
+              - "!sgl-kernel/.clang-format"
+              - "!sgl-kernel/analyze_whl_kernel_sizes.py"
+              - "!sgl-kernel/rename_wheels.sh"
               - ".github/workflows/pr-test-xpu.yml"
               - "docker/xpu.Dockerfile"
 
diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index ca8c6ea9f28b..97c0950fb9f7 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -114,6 +114,20 @@ jobs:
               - ".github/workflows/pr-test.yml"
             sgl_kernel:
               - "sgl-kernel/**"
+              # Exclude non-CUDA platform configs and code
+              - "!sgl-kernel/pyproject_cpu.toml"
+              - "!sgl-kernel/pyproject_rocm.toml"
+              - "!sgl-kernel/pyproject_musa.toml"
+              - "!sgl-kernel/setup_rocm.py"
+              - "!sgl-kernel/setup_musa.py"
+              - "!sgl-kernel/csrc/cpu/**"
+              # Exclude documentation and non-functional files
+              - "!sgl-kernel/README.md"
+              - "!sgl-kernel/LICENSE"
+              - "!sgl-kernel/THIRDPARTYNOTICES.txt"
+              - "!sgl-kernel/.clang-format"
+              - "!sgl-kernel/analyze_whl_kernel_sizes.py"
+              - "!sgl-kernel/rename_wheels.sh"
             jit_kernel:
               - "python/sglang/jit_kernel/**"
               - "python/pyproject.toml"