Hi Hans,
Sorry if I have to bother you again.
On 2021-06-20 01:36, Hans Petter Selasky wrote:
sg_dma_address() is zero, because the memory hasn't been loaded.
Makes sense!
You need to handle two cases there:
When r->iobase is -1 and when it is not.
I suspect you should add r->iobase to th
On 6/20/21 7:32 AM, Neel Chauhan wrote:
On 2021-06-18 20:03, Neel Chauhan wrote:
Apparently, the vm_start values is for some reason coming as 0 when it
is passed into vm_fault_cpu(). That's why it's giving these errors: of
course the address at 0 is mapped, it is (probably) used by the
kernel.