On 03/18/2015 04:57 PM, Nick Hoath wrote:
Wa32bitGeneralStateOffset & Wa32bitInstructionBaseOffset hardware
workarounds require that GeneralStateOffset & InstructionBaseOffset
are restricted to a 32 bit address space.
This is a preparatory patch prior to supporting 64bit virtual memory
allocations.
Allow the user space to flag that a mapping can occur beyond
the 32bit limit. This allows backward compatibility and user space
drivers that haven't been enhanced to support these workarounds to
function.
Just on the naming..
Maybe the whole thing would better be named "full mem", "full range" or
something like that?
"Hi mem", especially since the name is used in the userspace API has so
much historical baggage meaning it needs to be _only_ in the special
high memory range.
Regards,
Tvrtko
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