On Wed, Sep 16, 2015 at 3:52 PM, Pierre Moreau wrote:
> If the hardware supports extended tag field (8-bit ones), then enabled it.
> This
> is usually done by the VBIOS, but not on some MBPs (see fdo#86537).
> In case extended tag field is not supported, 5-bit tag field is
If the hardware supports extended tag field (8-bit ones), then enabled it. This
is usually done by the VBIOS, but not on some MBPs (see fdo#86537).
In case extended tag field is not supported, 5-bit tag field is used which
limits the possible values to 32. Apparently bits 7:0 of 0x8841c stores