Re: [Qemu-devel] [PATCH v4 2/2] target-i386: add support to migrate vcpu's TSC rate

2015-11-16 Thread Haozhong Zhang
On 11/16/15 11:43, Eduardo Habkost wrote: > On Mon, Nov 16, 2015 at 04:04:08PM +0800, Haozhong Zhang wrote: > > This patch enables migrating vcpu's TSC rate. If KVM on the destination > > machine supports TSC scaling, guest programs will observe a consistent > > TSC rate across the migration. > >

Re: [Qemu-devel] [PATCH v4 2/2] target-i386: add support to migrate vcpu's TSC rate

2015-11-16 Thread Eduardo Habkost
On Mon, Nov 16, 2015 at 10:30:08PM +0800, Haozhong Zhang wrote: > On 11/16/15 11:43, Eduardo Habkost wrote: > > On Mon, Nov 16, 2015 at 04:04:08PM +0800, Haozhong Zhang wrote: > > > This patch enables migrating vcpu's TSC rate. If KVM on the destination > > > machine supports TSC scaling, guest

Re: [Qemu-devel] [PATCH v4 2/2] target-i386: add support to migrate vcpu's TSC rate

2015-11-16 Thread Eduardo Habkost
On Mon, Nov 16, 2015 at 04:04:08PM +0800, Haozhong Zhang wrote: > This patch enables migrating vcpu's TSC rate. If KVM on the destination > machine supports TSC scaling, guest programs will observe a consistent > TSC rate across the migration. > > If TSC scaling is not supported on the

[Qemu-devel] [PATCH v4 2/2] target-i386: add support to migrate vcpu's TSC rate

2015-11-16 Thread Haozhong Zhang
This patch enables migrating vcpu's TSC rate. If KVM on the destination machine supports TSC scaling, guest programs will observe a consistent TSC rate across the migration. If TSC scaling is not supported on the destination machine, the migration will not be aborted and QEMU on the destination

Re: [Qemu-devel] [PATCH v4 2/2] target-i386: add support to migrate vcpu's TSC rate

2015-11-16 Thread Haozhong Zhang
On 11/16/15 13:35, Eduardo Habkost wrote: > On Mon, Nov 16, 2015 at 10:30:08PM +0800, Haozhong Zhang wrote: > > On 11/16/15 11:43, Eduardo Habkost wrote: > > > On Mon, Nov 16, 2015 at 04:04:08PM +0800, Haozhong Zhang wrote: > > > > This patch enables migrating vcpu's TSC rate. If KVM on the