---
id: pr-vllm-37475
repo: vllm-project/vllm
pr: 37475
title: '[BugFix] Allow qk_nope_head_dim=192 in FlashInfer MLA backend checks'
author: kjiang249
date: '2026-03-20'
url: https://github.com/vllm-project/vllm/pull/37475
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-17'
status: merged
merge_sha: e5ed6c6c134ffac42fde5299943dbe3af1821be2
inclusion_reason: kernel file changes
changed_paths:
- vllm/v1/attention/backends/mla/flashinfer_mla.py
- vllm/v1/attention/backends/mla/flashinfer_mla_sparse.py
head_ref_oid: ccecf28675ff0beb7fd6f85bdcec46a3d5d2902c
artifact_dir: evidence/pull-bundles/vllm/gh-37475
---
# [BugFix] Allow qk_nope_head_dim=192 in FlashInfer MLA backend checks

- Repository: `vllm-project/vllm`
- PR: [37475](https://github.com/vllm-project/vllm/pull/37475)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/v1/attention/backends/mla/flashinfer_mla.py`
- `vllm/v1/attention/backends/mla/flashinfer_mla_sparse.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-37475`
