On Mon, Jun 09, 2014 at 03:00:17PM -0500, Alex Thorlton wrote: > Hi guys, > > We recently ran into/corrected a bug in our BIOS that was exposed by the > recent updates to the way that the EFI code maps in memory during boot. > Discussion here: > > http://comments.gmane.org/gmane.linux.kernel/1638074 > > Anyways, we now need to find a way to determine the BIOS version before > efi_apply_memmap_quirks is called, so that we know whether or not the > BIOS we're running requires the quirk. We have a function in one of our > EFI runtime services that provides this information, but I'm having a > lot of trouble calling this function early enough in boot. > > It seems that all the necessary function pointers are available well > before efi_apply_memmap_quirks is called, but when trying to use > efi_call_phys6 to call our function, Why not use DMI instead of EFI for getting the BIOS version? I see dmi_scan_machine() called earlier than efi_apply_memmap_quirks() in setup_arch()...? -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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
