* Matthew Garrett <mj...@srcf.ucam.org> wrote: > On Sun, Sep 27, 2015 at 09:30:48AM -0700, Andy Lutomirski wrote: > > On Sep 26, 2015 1:19 PM, "H. Peter Anvin" <h...@zytor.com> wrote: > > > > > > Sadly a lot of firmware is known to fail in that configuration :( That > > > was very much our guest choice. > > > > > > > Why can't we map everything completely 1:1 (VA = PA) and call the > > setVA thing but pass it literally the identity. > > Last time I tried this I found that some firmware makes assumptions > about having high addresses.
So the question is, what does Windows do? PC firmware is a hostile environment for Linux, to be compatible the best we can do is to mimic the environment that the firmware is tested under - i.e. try to use the firmware in the way Windows uses it. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/