Migrate back to the little core if the thread hasn't used AVX in a while. Linux already tracks how long ago a task used AVX-512. I assume the same mechanism co

Migrate back to the little core if the thread hasn't used AVX in a while. Linux already tracks how long ago a task used AVX-512. I assume the same mechanism could be used to track AVX as well. https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/fpu&id=2f7726f955572e587d5f50fbe9b2deed5334bd90 https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/...