On Wed, 07 Sep, at 10:56:25AM, Peter Jones wrote: > This adds the EFI Spec version from the system table to sysfs as > /sys/firmware/efi/spec_version . > > Userland tools need this information in order to work around > specification deficiencies in 2.4 and earlier firmwares. Specifically, > UEFI 2.4 and 2.5+ treat management of BootOrder very differently (See > UEFI 2.4 section 3.1.1 vs UEFI 2.5 section 3.1), which means on older > firmware we'll want to work around BDS's boot order management by adding > fwupdate entries to BootOrder. We'd prefer not to do this on newer > firmware, as it is both non-sensical in terms of what it expresses, and > it results in more relatively failure prone flash writes. > > Signed-off-by: Peter Jones <pjones@xxxxxxxxxx> > Reviewed-by: Lukas Wunner <lukas@xxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-firmware-efi | 6 +++ > drivers/firmware/efi/efi.c | 65 ++++++++++++++++++++++++++++ > 2 files changed, 71 insertions(+) Looks fine to me. -- 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
