---
id: pr-vllm-34052
repo: vllm-project/vllm
pr: 34052
title: 'fix(cpu): fix mla_decode compilation on x86 without AVX512'
author: ihb2032
date: '2026-02-09'
url: https://github.com/vllm-project/vllm/pull/34052
source_category: upstream-code
architectures:
- sm100
tags:
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- decode
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 5a5c43511ac98299856d0fee6c619fdd8bcdd2ef
inclusion_reason: kernel file changes
changed_paths:
- csrc/cpu/mla_decode.cpp
head_ref_oid: 2bf62f6d4e9382fdba6f5722be41795566a2cf91
artifact_dir: evidence/pull-bundles/vllm/gh-34052
---
# fix(cpu): fix mla_decode compilation on x86 without AVX512

- Repository: `vllm-project/vllm`
- PR: [34052](https://github.com/vllm-project/vllm/pull/34052)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/cpu/mla_decode.cpp`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-34052`
