Re: [edk2-devel] A problem with live migration of UEFI virtual machines

2020-02-27 Thread Andrew Fish via
> On Feb 26, 2020, at 1:42 AM, Laszlo Ersek wrote: > > Hi Andrew, > > On 02/25/20 22:35, Andrew Fish wrote: > >> Laszlo, >> >> The FLASH offsets changing breaking things makes sense. >> >> I now realize this is like updating the EFI ROM without rebooting the >> system. Thus changes in how

Re: [edk2-devel] A problem with live migration of UEFI virtual machines

2020-02-25 Thread Andrew Fish via
> On Feb 25, 2020, at 12:40 PM, Laszlo Ersek wrote: > > Hi Andrew, > > On 02/25/20 19:56, Andrew Fish wrote: >> Laszlo, >> >> If I understand this correctly is it not more complicated than just size. It >> also assumes the memory layout is the same? > > Yes. > >> The legacy BIOS used fixe

Re: [edk2-devel] A problem with live migration of UEFI virtual machines

2020-02-25 Thread Andrew Fish via
Laszlo, If I understand this correctly is it not more complicated than just size. It also assumes the memory layout is the same? The legacy BIOS used fixed magic address ranges, but UEFI uses dynamically allocated memory so addresses are not fixed. While the UEFI firmware does try to keep S3 an