---
id: pr-vllm-19067
repo: vllm-project/vllm
pr: 19067
title: '[BugFix][V1][ROCm] Triton MLA uses V0 backend on V1 engine'
author: tywuAMD
date: '2025-07-01'
url: https://github.com/vllm-project/vllm/pull/19067
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 96453cfa831340788ef72c42bc2a1a2b4496a27f
inclusion_reason: defer
changed_paths:
- tests/kernels/attention/test_attention_selector.py
- tests/kernels/attention/test_rocm_attention_selector.py
- vllm/platforms/rocm.py
- vllm/v1/attention/backends/mla/common.py
- vllm/v1/attention/backends/mla/triton_mla.py
artifact_dir: evidence/pull-bundles/vllm/gh-19067
head_ref_oid: f7dda74ad67c28af5815b1d77e431c451c5bc59b
---
# [BugFix][V1][ROCm] Triton MLA uses V0 backend on V1 engine

- Repository: `vllm-project/vllm`
- PR: [19067](https://github.com/vllm-project/vllm/pull/19067)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `tests/kernels/attention/test_attention_selector.py`
- `tests/kernels/attention/test_rocm_attention_selector.py`
- `vllm/platforms/rocm.py`
- `vllm/v1/attention/backends/mla/common.py`
- `vllm/v1/attention/backends/mla/triton_mla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-19067`
