Bjorn Helgaas writes:
> On Thu, Jul 19, 2018 at 02:18:09PM +1000, Benjamin Herrenschmidt wrote:
>> On Wed, 2018-07-18 at 18:29 -0500, Bjorn Helgaas wrote:
>> > [+cc Paul, Michael, linuxppc-dev]
>> >
>>
>>/...
>>
>> > > Debugging revealed a race condition between pcie core driver
>> > >
On Fri, 2018-07-27 at 17:25 -0500, Bjorn Helgaas wrote:
> > As for the powerpc bits, I'm probably the one who wrote them, however,
> > I'm on vacation this week and right now, no bandwidth to context switch
> > all that back in :-) So give me a few days and/or ping me next week.
>
> OK, here's a
On Thu, Jul 19, 2018 at 02:18:09PM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2018-07-18 at 18:29 -0500, Bjorn Helgaas wrote:
> > [+cc Paul, Michael, linuxppc-dev]
> >
>
>/...
>
> > > Debugging revealed a race condition between pcie core driver
> > > enabling is_added
On Thu, 2018-07-19 at 20:55 +0200, Lukas Wunner wrote:
> On Thu, Jul 19, 2018 at 9:48 AM, Benjamin Herrenschmidt
> > Indeed. However I'm not fan of the solution. Shouldn't we instead have
> > some locking for the content of pci_dev? I've always been wary of us
> > having other similar races in
Hi Bjonr, Ben
On Thu, Jul 19, 2018 at 9:48 AM, Benjamin Herrenschmidt
wrote:
> On Wed, 2018-07-18 at 18:29 -0500, Bjorn Helgaas wrote:
>> [+cc Paul, Michael, linuxppc-dev]
>>
>
>/...
>
>> > Debugging revealed a race condition between pcie core driver
>> > enabling is_added
On Wed, 2018-07-18 at 18:29 -0500, Bjorn Helgaas wrote:
> [+cc Paul, Michael, linuxppc-dev]
>
/...
> > Debugging revealed a race condition between pcie core driver
> > enabling is_added bit(pci_bus_add_device()) and nvme driver
> > reset work-queue enabling is_busmaster bit (by
[+cc Paul, Michael, linuxppc-dev]
On Tue, Jul 03, 2018 at 02:35:41PM +0530, Hari Vyas wrote:
> When a pci device is detected, a variable is_added is set to
> 1 in pci device structure and proc, sys entries are created.
>
> When a pci device is removed, first is_added is checked for one
> and
