---
id: pr-vllm-14255
repo: vllm-project/vllm
pr: 14255
title: '[BugFix] Fix prefix caching V0 MLA'
author: LucasWilkinson
date: '2025-03-06'
url: https://github.com/vllm-project/vllm/pull/14255
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 4dacaa4a8346b1ecd8bf24ec43e0fe5af8d91048
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/mla/common.py
head_ref_oid: e3baabdc79cc9e1c5e7c899f92136fe0ca4e94e3
artifact_dir: evidence/pull-bundles/vllm/gh-14255
---
# [BugFix] Fix prefix caching V0 MLA

- Repository: `vllm-project/vllm`
- PR: [14255](https://github.com/vllm-project/vllm/pull/14255)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-14255`
