Messages in this thread | | | Date | Fri, 10 Aug 2012 16:57:02 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86, pci: Fix all early PCI scans to check the vendor ID first |
| |
On 08/09/2012 03:34 PM, Betty Dall wrote: > > I thought this should be a break instead of a continue since the code > does a break if the class is 0xffffffff. If the function does not have a > valid VENDOR_ID, then the remaining function numbers do not have to be > scanned because functions are required to be implemented in order (no > skipping a function number.) >
Is that true? This is certainly not true in PCI in general: there is required to be a function 0, but there is no guarantee that functions 1-7 don't have gaps.
-hpa
| |