The GDT is used to control the x86 segmentation mechanism. It
must be virtually mapped when switching segments or at IRET
time when switching between userspace and kernel.
The original KAISER patch did not do this. I have no ide how
it ever worked.
Signed-off-by: Dave Hansen
The GDT is used to control the x86 segmentation mechanism. It
must be virtually mapped when switching segments or at IRET
time when switching between userspace and kernel.
The original KAISER patch did not do this. I have no ide how
it ever worked.
Signed-off-by: Dave Hansen
Cc: Moritz Lipp
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