Merge tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fix from Ard Biesheuvel:
 "A fix from Darren to widen the SMBIOS match for detecting Ampere Altra
  machines with problematic firmware. In the mean time, we are working
  on a more precise check, but this is still work in progress"

* tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  arm64: efi: Force the use of SetVirtualAddressMap() on eMAG and Altra Max machines

Author: torvalds

drivers/firmware/efi/libstub/arm64.c

@@ -19,10 +19,13 @@ static bool system_needs_vamap(void)
 	const u8 *type1_family = efi_get_smbios_string(1, family);
 
 	/*
-	 * Ampere Altra machines crash in SetTime() if SetVirtualAddressMap()
-	 * has not been called prior.
+	 * Ampere eMAG, Altra, and Altra Max machines crash in SetTime() if
+	 * SetVirtualAddressMap() has not been called prior.
 	 */
-	if (!type1_family || strcmp(type1_family, "Altra"))
+	if (!type1_family || (
+	    strcmp(type1_family, "eMAG") &&
+	    strcmp(type1_family, "Altra") &&
+	    strcmp(type1_family, "Altra Max")))
 		return false;
 
 	efi_warn("Working around broken SetVirtualAddressMap()\n");