Re: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-14 Thread Benjamin Herrenschmidt
On Thu, 2017-09-14 at 09:27 +, David Laight wrote: > You can logically 'hotplug' PCI(e) on any system [1]. > > The 'problem' is that whatever enumerates the PCI(e) at system > powerup doesn't normally assign extra resources to bridges to allow > for devices that aren't present at boot time. >

RE: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-14 Thread David Laight
From: Benjamin Herrenschmidt > Sent: 14 September 2017 04:40 > On Thu, 2017-09-14 at 13:18 +1000, Alexey Kardashevskiy wrote: > > On 14/09/17 13:07, Benjamin Herrenschmidt wrote: > > > On Thu, 2017-09-14 at 12:45 +1000, Alexey Kardashevskiy wrote: > > > > On 31/08/17 13:34, Alexey Kardashevskiy

Re: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-13 Thread Benjamin Herrenschmidt
On Thu, 2017-09-14 at 13:18 +1000, Alexey Kardashevskiy wrote: > On 14/09/17 13:07, Benjamin Herrenschmidt wrote: > > On Thu, 2017-09-14 at 12:45 +1000, Alexey Kardashevskiy wrote: > > > On 31/08/17 13:34, Alexey Kardashevskiy wrote: > > > > From: Benjamin Herrenschmidt

Re: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-13 Thread Alexey Kardashevskiy
On 14/09/17 13:07, Benjamin Herrenschmidt wrote: > On Thu, 2017-09-14 at 12:45 +1000, Alexey Kardashevskiy wrote: >> On 31/08/17 13:34, Alexey Kardashevskiy wrote: >>> From: Benjamin Herrenschmidt >> >> Oops, this was not right :) >> >> Anyway, Ben, please comment.

Re: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-13 Thread Benjamin Herrenschmidt
On Thu, 2017-09-14 at 12:45 +1000, Alexey Kardashevskiy wrote: > On 31/08/17 13:34, Alexey Kardashevskiy wrote: > > From: Benjamin Herrenschmidt > > Oops, this was not right :) > > Anyway, Ben, please comment. Thanks. This is incorrect, we can do hotplug behind

Re: [PATCH kernel] powerpc/powernv: Update comment about shifting IOV BAR

2017-09-13 Thread Alexey Kardashevskiy
On 31/08/17 13:34, Alexey Kardashevskiy wrote: > From: Benjamin Herrenschmidt Oops, this was not right :) Anyway, Ben, please comment. Thanks. > > From: Alexey Kardashevskiy > > This updates the comment about creating a hole in /proc/iomem which >