Re: [RFC][PATCH] Replace a function call chain ofkmsg_dump(KMSG_DUMP_KEXEC) with static function calls

From: Matthew Garrett
Date: Sat Jul 16 2011 - 12:28:38 EST

On Sat, Jul 16, 2011 at 09:16:06AM -0700, Eric W. Biederman wrote:

> What is going on with EFI support? We are still making efi calls in
> virtual mode, and we don't have the one unified identity mapped physical
> page table that hpa and I think others were working a while back. Even
> if because of bugs we need to transition EFI to virtual mode we can
> still set physical to virtual so we don't have to deal with the nonsense.

No, we can't. It doesn't work.

> Can we please make our EFI support ask the minimal from EFI before
> adding lots more to it?


> Am I wrong in thinking that the core motivation behind this patch is
> that our EFI support sucks and thus kdump on EFI does not work on some
> platforms?

Yes, you are.

Matthew Garrett | mjg59@xxxxxxxxxxxxx
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