[Refactor] Fix AttentionMaskBuilder singleton and remove redundant pcp_prefill_mask#4870

weijinqian0 merged 1 commit into

vllm-project:mainvllm-project/vllm-ascend:mainfrom

LICO1314:remove-redundant-masksLICO1314/vllm-ascend:remove-redundant-masksCopy head branch name to clipboard