I’m having trouble wrapping my head around the correct usage of std::atomic_ref<int> with volatile. Naively there are three possibilities: std::atomic_ref<volatile int> ref1; volatile std::atomic_ref<int> ref2; volatile std::atomic_ref<volatile int> ref3; When and do we want to use each one? The use-case I’m interested in is MMIO. Source: Windows Que..

Read more