---
id: pr-vllm-21188
repo: vllm-project/vllm
pr: 21188
title: '[Attention] Clean up iRoPE in V1'
author: LucasWilkinson
date: '2025-07-21'
url: https://github.com/vllm-project/vllm/pull/21188
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 304dce7ec02769ecea137091caa5413e1a4abf60
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/layer.py
- vllm/v1/attention/backends/cpu_attn.py
- vllm/v1/attention/backends/flash_attn.py
- vllm/v1/attention/backends/flashinfer.py
- vllm/v1/attention/backends/pallas.py
- vllm/v1/attention/backends/rocm_aiter_fa.py
- vllm/v1/attention/backends/triton_attn.py
- vllm/v1/worker/gpu_model_runner.py
- vllm/v1/worker/tpu_model_runner.py
head_ref_oid: 489a2e4a5b3fd1d6b1ec5efa73a0f43194aab07e
artifact_dir: evidence/pull-bundles/vllm/gh-21188
---
# [Attention] Clean up iRoPE in V1

- Repository: `vllm-project/vllm`
- PR: [21188](https://github.com/vllm-project/vllm/pull/21188)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/layer.py`
- `vllm/v1/attention/backends/cpu_attn.py`
- `vllm/v1/attention/backends/flash_attn.py`
- `vllm/v1/attention/backends/flashinfer.py`
- `vllm/v1/attention/backends/pallas.py`
- `vllm/v1/attention/backends/rocm_aiter_fa.py`
- `vllm/v1/attention/backends/triton_attn.py`
- `vllm/v1/worker/gpu_model_runner.py`
- `vllm/v1/worker/tpu_model_runner.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21188`
