3 ms·
This is why the article says MAP_EXCLUSIVE would exclude the relevant pages from the direct map.
by bzbarsky 7y ago
This is why the article says MAP_EXCLUSIVE would exclude the relevant pages from the direct map.
- drewg123 7y agoUgh, I missed that. But there is still nothing preventing a malicious (nvidia) driver from re-adding the pages back. In fact, since they are missing from the direct map, it points anything malicious right at the interesting physical addresses..