Messages in this thread | | | Date | Tue, 22 Mar 2011 14:31:44 +0800 | From | Cong Wang <> | Subject | Re: [Patch] acpi: introduce "acpi_addr=" parameter for kdump |
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于 2011年03月21日 23:56, Vivek Goyal 写道: > > Matthew and I were chatting in general about it couple of days back and > mattew suggested how about if we embrace the idea of booting the kernel > always in physical mode (both first and second) and keep that extra set > of pagetables around to make EFI calls. That way kexec/kdump should just > work and kernel changes also might not be too much. > > The potential problem with this is that this might expose various kind > of BIOS issues with different vendors as vendors might not test the > physical path.
First I have to say I know a little about EFI.
I am wondering what benefits we will lose if we use physical mode? comparing it with virtual mode? If very few, this could be a solution.
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