Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.11] spapr: reset DRCs after devices

2017-11-19 Thread David Gibson
On Fri, Nov 17, 2017 at 06:42:25PM -0200, Daniel Henrique Barboza wrote: > > > On 11/17/2017 04:19 PM, Michael Roth wrote: > > Quoting Daniel Henrique Barboza (2017-11-17 10:21:27) > > > > > > On 11/17/2017 10:56 AM, Greg Kurz wrote: > > > > A DRC with a pending unplug request releases its assoc

Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.11] spapr: reset DRCs after devices

2017-11-17 Thread Daniel Henrique Barboza
On 11/17/2017 04:19 PM, Michael Roth wrote: Quoting Daniel Henrique Barboza (2017-11-17 10:21:27) On 11/17/2017 10:56 AM, Greg Kurz wrote: A DRC with a pending unplug request releases its associated device at machine reset time. In the case of LMB, when all DRCs for a DIMM device have been

Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.11] spapr: reset DRCs after devices

2017-11-17 Thread Michael Roth
Quoting Daniel Henrique Barboza (2017-11-17 10:21:27) > > > On 11/17/2017 10:56 AM, Greg Kurz wrote: > > A DRC with a pending unplug request releases its associated device at > > machine reset time. > > > > In the case of LMB, when all DRCs for a DIMM device have been reset, > > the DIMM gets unp

Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.11] spapr: reset DRCs after devices

2017-11-17 Thread Greg Kurz
On Fri, 17 Nov 2017 14:21:27 -0200 Daniel Henrique Barboza wrote: > On 11/17/2017 10:56 AM, Greg Kurz wrote: > > A DRC with a pending unplug request releases its associated device at > > machine reset time. > > > > In the case of LMB, when all DRCs for a DIMM device have been reset, > > the DIMM

Re: [Qemu-devel] [Qemu-ppc] [PATCH for-2.11] spapr: reset DRCs after devices

2017-11-17 Thread Daniel Henrique Barboza
On 11/17/2017 10:56 AM, Greg Kurz wrote: A DRC with a pending unplug request releases its associated device at machine reset time. In the case of LMB, when all DRCs for a DIMM device have been reset, the DIMM gets unplugged, causing guest memory to disappear. This may be very confusing for any