3 ms·
> That is a special page of memory that is mapped read-only into user mode from kernel mode, and it contains things like the current time, so that applications
by cihangir 4y ago
> That is a special page of memory that is mapped read-only into user mode from kernel mode, and it contains things like the current time, so that applications can get this information quickly without having to take a kernel transition. This page is at a fixed location for performance reasons.
I didn't know there was a vdso-like mechanism in Windows as in Linux.
- monocasa 4y agoYeah, it's called KUSER_SHARED_DATA, and contains a lot of interesting items. https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/ntddk/ns-ntddk-kuser_shared_data https://learn.microsoft.com/en-us/windows-hardware/drivers/d...