Re: [PATCH] x86-64: disable the GART before allocate aperture

Yinghai Lu
2007-06-22T22:55:42Z

Alan Cox wrote:

> Don't disable it, just don't touch it or any of its mappings. Leave it
> *alone*, and use swiotlb. That'll maximise the ability to recover stuff
> from the kexec kernel (since for one you may want to dump the gart when a
> 3d app goes kerblam)

How about LinuxBIOS + Kernel ===> Final kernel path?
someday EFI(PEI) + Kernel ===> Final kernel path need that too.

or the normal kexec path still could have clean shutdown.

YH