[Attention] relax the head dim 512 and paged kv for sm90+FA4#38835

LucasWilkinson merged 10 commits into

vllm-project:mainvllm-project/vllm:mainfrom

IwakuraRein:update-sm90-fa4IwakuraRein/vllm:update-sm90-fa4Copy head branch name to clipboard