[rurban]

Only on Intel. Others restrict prefetches on permissions.

I think this might even be fixed by microcode patches on Intel, at least os specific, looking at the first address bit.

[richardwhiuk]

If they could have done microcode patches they would have done, suggesting they can't.

[rurban]

Suse already has them.

I guess Intel only focused on Windows NT for several months, and there it's not so easy as on Linux.