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cr3 register in thread_struct



Hey list,

can somebody tell me, why the register 'CR3' is not part of the struct
'thread_struct' (in processor.h)?
Why ist 'CR3' part of the 'tss_struct' ?
IMHO, the struct thread_struct saves the hardware context of a process,
but this register 'CR3' is not part of the struct.

ps: kernel: 2.6.11.4-20a, i686 PIII,
thanks
Patrick


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