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SubjectRe: [PATCH, v2] x86-64: fix and clean up AMD Fam10 MMCONF enabling
>>> On 16.11.10 at 23:26, Yinghai Lu <yinghai@kernel.org> wrote:
> On 11/16/2010 12:25 AM, Jan Beulich wrote:
>> @@ -206,8 +200,10 @@ void __cpuinit fam10h_check_enable_mmcfg
>> * with 256 buses
>> */
>> get_fam10h_pci_mmconf_base();
>> - if (fam10h_pci_mmconf_base_status <= 0)
>> + if (!fam10h_pci_mmconf_base) {
>> + pci_probe &= ~PCI_CHECK_ENABLE_AMD_MMCONF;
>
> case: if no cpu mmconf reg are set by BIOS and later if BSP can not get new
> base,
>
> this pci_probe &= line will be called for every AP...

No, because the function itself has

if (!(pci_probe & PCI_CHECK_ENABLE_AMD_MMCONF))
return;

at its very beginning.

Jan



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