[PATCH v4 07/12] efi: passing kexec necessary efi data via setup_data

[Dave Young]

On 12/04/13 at 09:43am, Toshi Kani wrote:
> On Wed, 2013-12-04 at 10:46 +0800, Dave Young wrote:
> > Hi, Toshi
> > 
> > > Oh, I think I now understand what the issue was.  The z420 firmware
> > > updates the SMBIOS table address in the EFI system table to a virtual
> > > address after calling EFI SetVirtualAddressMap.  So, you are passing the
> > > original physical address of the SMBIOS table from the 1st kernel to the
> > > 2nd kernel to put it back to physical.  Is that right? 
> > 
> > Right.
> 
> Hi Dave,
> 
> The z420 firmware is based on some UEFI core that may be used by other
> vendors as well.  Since this handling is totally harmless (just
> redundant), I'd suggest not to have a platform check on this handling.

I have same worry as well, so I agree with you.

Thanks
Dave