On Sat, 22 Dec 2007 09:20:06 -0500 Jeff Garzik <[EMAIL PROTECTED]> wrote:
> Arjan van de Ven wrote: > > Hi, > > > > Linus really wants the extended (4Kb) PCI configuration space > > (using MCFG acpi table etc) to be opt-in, since there's many issues > > with it and most drivers don't even use/need it. The idea behind > > opt-in is that if you don't use it, you don't get to suffer the > > bugs... > > > > Booted on my 64 bit test machine; sadly it has a defunct BIOS that > > doesn't have a working MCFG. > > > > > > From: Arjan van de Ven <[EMAIL PROTECTED]> > > Subject: Make MMCONFIG space a driver opt-in > > > > There are many issues with using the extended PCI configuration > > space (CPU, Chipset and most of all BIOS bugs). This while the vast > > majority of drivers and devices don't even use/need to use the > > memory mapped access methods since they don't use the config space > > beyond the traditional 256 bytes. > > > > This patch makes accessing the extended config space a driver > > choice, via the > > > > pci_enable_ext_config(pdev) > > Yuck. And, Linus is just being silly. Wait a year then turn on > MMCONFIG :) It took PCI MSI a while to mature, but is finally > getting there. > Do you hate the name or the concept? I'm certainly open for a better name.... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/