Does the store buffer hold physical or virtual addresses on modern x86?

问题

Modern Intel and AMD chips have large store buffers to buffer stores before commit to the L1 cache. Conceptually, these entries hold the store data and store address.

For the address part, do these buffer entries hold virtual or physical addresses, or both?

来源：https://stackoverflow.com/questions/61190976/does-the-store-buffer-hold-physical-or-virtual-addresses-on-modern-x86