Re: [Qemu-devel] [PATCH V6 0/2] Add option to configure guest vPMU

2016-10-18 Thread Peter Maydell
On 18 October 2016 at 18:16, Andrew Jones wrote: > On Fri, Oct 14, 2016 at 09:48:28AM +0200, Andrew Jones wrote: >> The feature needs to be managed in order for users to be able to trade-off >> features exposed vs. migratability. If the lack of an explicit pmu=on >> means

Re: [Qemu-devel] [PATCH V6 0/2] Add option to configure guest vPMU

2016-10-18 Thread Andrew Jones
On Fri, Oct 14, 2016 at 09:48:28AM +0200, Andrew Jones wrote: > On Thu, Oct 13, 2016 at 05:19:37PM +0100, Peter Maydell wrote: > > On 4 October 2016 at 22:38, Wei Huang wrote: > > > This patchset adds a pmu=[on/off] option to enable/disable vPMU support > > > for guest VM. There

Re: [Qemu-devel] [PATCH V6 0/2] Add option to configure guest vPMU

2016-10-14 Thread Andrew Jones
On Thu, Oct 13, 2016 at 05:19:37PM +0100, Peter Maydell wrote: > On 4 October 2016 at 22:38, Wei Huang wrote: > > This patchset adds a pmu=[on/off] option to enable/disable vPMU support > > for guest VM. There are several reasons to justify this option. First, > > vPMU can be

Re: [Qemu-devel] [PATCH V6 0/2] Add option to configure guest vPMU

2016-10-13 Thread Peter Maydell
On 4 October 2016 at 22:38, Wei Huang wrote: > This patchset adds a pmu=[on/off] option to enable/disable vPMU support > for guest VM. There are several reasons to justify this option. First, > vPMU can be problematic for cross-migration between different SoC as perf > counters