4 ms·
If I understand this correctly, we now get 128 bit pointers. The lower 64 bits are the address and the upper 64 bits are permissions. Did I miss anything?
by dilippkumar 5y ago
If I understand this correctly, we now get 128 bit pointers. The lower 64 bits are the address and the upper 64 bits are permissions.
Did I miss anything?
- saagarjha 5y ago129 bits, there's a "valid" bit at the top. For most software this is invisible but some code will need to care (most notably, anything that copies pointers will need to preserve that bit.)