Re: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address

[Arjan van de Ven]

> Current workaround is the following (both of linus and -mm),
> 
> 	if (pci_mmcfg_config_num == 1 &&
> 		cfg->pci_segment_group_number == 0 &&
> 		(cfg->start_bus_number | cfg->end_bus_number) == 0)
>                 /* Assume it can access 256M range */
> 
> But, if the system has bus number 0 only, it's a correct table.
> We may need to detect the broken system. blacklist?

or just... not assume 256Mb but assume broken?

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/