anchor.diff:    ''}
     # Allow specifying custom EDID on the kernel command line
     DRM_LOAD_EDID_FIRMWARE y
  -  ${optionalString (versionOlder version "3.9") ''
  -    DRM_RADEON_KMS? y
  -  ''}
  -  # Hybrid graphics support
  -  VGA_SWITCHEROO y
  +  VGA_SWITCHEROO y # Hybrid graphics support
   
     # Sound.
     SND_DYNAMIC_MINORS y
  
positive.code:   DONGLE y # Serial dongle support
    HIPPI y
    MTD_COMPLEX_MAPPINGS y # needed for many devices
    ${optionalString (versionOlder version "3.2") ''
      NET_POCKET y # enable pocket and portable adapters
    ''}
    SCSI_LOWLEVEL y # enable lots of SCSI devices
    SCSI_LOWLEVEL_PCMCIA y
    SCSI_SAS_ATA y  # added to enable detection of hard drive
  
negative.code:   DEVTMPFS y
  
    # Easier debugging of NFS issues.
    SUNRPC_DEBUG y
  
    # Virtualisation.
    PARAVIRT? y
    HYPERVISOR_GUEST y
    PARAVIRT_SPINLOCKS? y
    KVM_APIC_ARCHITECTURE y
    KVM_ASYNC_PF y
    ${optionalString (versionAtLeast version "4.0") ''
      KVM_COMPAT? y
    ''}
    KVM_DEVICE_ASSIGNMENT? y
    ${optionalString (versionAtLeast version "4.0") ''
      KVM_GENERIC_DIRTYLOG_READ_PROTECT y
    ''}
  