On Mon, 2013-12-02 at 15:33 -0700, Toshi Kani wrote: > On Fri, 2013-11-29 at 17:14 +0800, Dave Young wrote: > > On 11/27/13 at 03:07pm, Borislav Petkov wrote: > > > On Tue, Nov 26, 2013 at 01:57:52PM +0800, Dave Young wrote: > > > > Add a new setup_data type SETUP_EFI for kexec use. > > > > Passing the saved fw_vendor, runtime, config tables and > > > > efi runtime mappings. > > > > > > > > When entering virtual mode, directly mapping the efi > > > > runtime ragions which we passed in previously. And skip > > > > the step to call SetVirtualAddressMap. > > > > > > > > Specially for HP z420 workstation it need another variable > > > > saving, > > > > > > Why the special handling? Does that mean, this is going to be the case > > > for other HP UEFI implementations too? > > > > I have only one HP machine for testing, Maybe Toshi can help to verify > > on other machines. Just comment out the function efi_reuse_config to see > > if kexec kernel panic. > > My system (HP prototype server) did not need the special handling in > efi_reuse_config(). I will check with firmware team to get more > information on this. I have one question. I think this special handling assumes that efi.smbios contains a virtual address on HP z420. So, how does the 1st kernel set a virtual address to efi.smbios in the first place? Thanks, -Toshi
