[LinuxBIOS] patch for making system run past disable_car

Marc Jones marc.jones at amd.com
Thu Dec 13 02:36:38 CET 2007

Carl-Daniel Hailfinger wrote:

> Dumb question: We know the location of the stack when we enter
> disable_car(). We also know that all memory belongs to us. Can we copy
> CAR stack contents to some safe location and restore them after wbinvd()?

This shouldn't be needed. If the stack needed to be moved you would want 
to do it before the wbinvd so you were copying from cache to memory. 
Much faster than memory to memory.


Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com

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