Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-23 Thread Bharata B Rao
On Sat, Mar 21, 2015 at 8:28 PM, Alexander Graf ag...@suse.de wrote: On 20.03.15 16:51, Bharata B Rao wrote: On Fri, Mar 20, 2015 at 12:34:18PM +0100, Alexander Graf wrote: On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:01:32PM +0100, Alexander Graf wrote: On

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-23 Thread Alexander Graf
On 23.03.15 08:50, Bharata B Rao wrote: On Sat, Mar 21, 2015 at 8:28 PM, Alexander Graf ag...@suse.de wrote: On 20.03.15 16:51, Bharata B Rao wrote: On Fri, Mar 20, 2015 at 12:34:18PM +0100, Alexander Graf wrote: On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at

[PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-20 Thread Paul Mackerras
From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't equipped to handle closure of vcpu fd from userspace(QEMU) correctly, certain work arounds have to be employed to allow reuse of vcpu array slot in KVM during cpu hot plug/unplug from guest. One such proposed workaround is to park the

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-20 Thread Alexander Graf
On 20.03.15 10:39, Paul Mackerras wrote: From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't equipped to handle closure of vcpu fd from userspace(QEMU) correctly, certain work arounds have to be employed to allow reuse of vcpu array slot in KVM during cpu hot plug/unplug from

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-20 Thread Alexander Graf
On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:01:32PM +0100, Alexander Graf wrote: On 20.03.15 10:39, Paul Mackerras wrote: From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't equipped to handle closure of vcpu fd from userspace(QEMU) correctly, certain

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

2015-03-20 Thread Bharata B Rao
On Fri, Mar 20, 2015 at 12:34:18PM +0100, Alexander Graf wrote: On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:01:32PM +0100, Alexander Graf wrote: On 20.03.15 10:39, Paul Mackerras wrote: From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't