Re: [RFC PATCH 1/6] Revert "PCI: Fix is_added/is_busmaster race condition"

2018-08-20 Thread Hari Vyas
On Mon, Aug 20, 2018 at 4:39 PM, Benjamin Herrenschmidt wrote: > On Mon, 2018-08-20 at 11:55 +0530, Hari Vyas wrote: >> On Mon, Aug 20, 2018 at 7:40 AM, Benjamin Herrenschmidt >> wrote: >> > On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote: >> > > On S

Re: [RFC PATCH 1/6] Revert "PCI: Fix is_added/is_busmaster race condition"

2018-08-19 Thread Hari Vyas
On Mon, Aug 20, 2018 at 7:40 AM, Benjamin Herrenschmidt wrote: > On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote: >> On Sat, Aug 18, 2018 at 01:24:51PM +1000, Benjamin Herrenschmidt wrote: >> > On Fri, 2018-08-17 at 10:44 -0500, Bjorn Helgaas wrote: >> > > On Fri, Aug 17, 2018 at 02:48:57PM

Re: [RFC PATCH 5/6] pci: Protect the enable/disable state of pci_dev using the state mutex

2018-08-17 Thread Hari Vyas
On Fri, Aug 17, 2018 at 3:09 PM, Benjamin Herrenschmidt wrote: > On Fri, 2018-08-17 at 14:30 +0530, Hari Vyas wrote: >> So many mail threads for common issues going so just trying to >> summarize concern from my side. >> 1) HW level >> PCI Config data overwritten (ex

Re: [RFC PATCH 5/6] pci: Protect the enable/disable state of pci_dev using the state mutex

2018-08-17 Thread Hari Vyas
On Fri, Aug 17, 2018 at 2:00 PM, Benjamin Herrenschmidt wrote: > On Fri, 2018-08-17 at 10:09 +0200, Marta Rybczynska wrote: >> >> - On 17 Aug, 2018, at 06:49, Benjamin Herrenschmidt >> b...@kernel.crashing.org wrote: >> >> > This protects enable/disable operations using the state mutex to >>