Re: [PATCH] pci: Use a bus-global mutex to protect VPD operations

2015-05-27 Thread Rustad, Mark D
On May 27, 2015, at 10:27 AM, Bjorn Helgaas bhelg...@google.com wrote: It sounds like there are real problems here that would be fixed by changing the mutex strategy and limiting VPD read lengths, but that we don't quite have consensus on how to solve them yet. I have a new pair of patches

Re: [PATCH] pci: Use a bus-global mutex to protect VPD operations

2015-05-27 Thread Bjorn Helgaas
On Mon, May 18, 2015 at 05:00:37PM -0700, Mark D Rustad wrote: Some devices have a problem with concurrent VPD access to different functions of the same physical device, so move the protecting mutex from the pci_vpd structure to the pci_bus structure. There are a number of reports on support