Converting user address to kernel address

[cs412050]

The type of user space is (ulong_t).
And the type of kernel space is usually (void *).
ulong_t is lvalue type, and void* is rvalue type.

How do we assign?

[cs412050]

cs412050 <***@squeamish.csic.umd.edu> wrote:


Duh! It was simply, (void *)(lv1 + lv2);
I was too cautious and stupid.

Post by cs412050
The type of user space is (ulong_t).
And the type of kernel space is usually (void *).
ulong_t is lvalue type, and void* is rvalue type.
How do we assign?