On Thu, Aug 14, 2014 at 03:55:22PM +0100, Semen Protsenko wrote: > "efi" global data structure contains "runtime_version" field which must > be assigned in order to use it later in Runtime Services virtual calls > (virt_efi_* functions). > > Before this patch "runtime_version" was unassigned (0), so each > Runtime Service virtual call that checks revision would fail. > > Runtime Services revision being passed in UEFI system table from UEFI > to kernel (see efi_entry() function). In UEFI it's being stored at > MdePkg/Include/Uefi/UefiSpec.h as EFI_RUNTIME_SERVICES_REVISION. > > Signed-off-by: Semen Protsenko <semen.protsenko@xxxxxxxxxx> > --- > arch/arm64/kernel/efi.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c > index e72f310..5dbb7bd 100644 > --- a/arch/arm64/kernel/efi.c > +++ b/arch/arm64/kernel/efi.c > @@ -463,6 +463,8 @@ static int __init arm64_enter_virtual_mode(void) > efi_native_runtime_setup(); > set_bit(EFI_RUNTIME_SERVICES, &efi.flags); > > + efi.runtime_version = efi.systab->hdr.revision; > + > return 0; I doubt it makes any difference, but can we assign this before we call efi_native_runtime_setup please? Will -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html