Re: [Qemu-devel] [PATCH 4/4] kvm: Allow migration with invtsc

2017-01-04 Thread Eduardo Habkost
On Wed, Jan 04, 2017 at 09:56:56AM -0200, Marcelo Tosatti wrote: > On Tue, Dec 27, 2016 at 05:21:20PM -0200, Eduardo Habkost wrote: > > Instead of blocking migration on the source when invtsc is > > enabled, rely on the migration destination to ensure there's no > > TSC frequency mismatch. > > > >

Re: [Qemu-devel] [PATCH 4/4] kvm: Allow migration with invtsc

2017-01-04 Thread Marcelo Tosatti
On Tue, Dec 27, 2016 at 05:21:20PM -0200, Eduardo Habkost wrote: > Instead of blocking migration on the source when invtsc is > enabled, rely on the migration destination to ensure there's no > TSC frequency mismatch. > > We can't allow migration unconditionally because we don't know if > the dest

[Qemu-devel] [PATCH 4/4] kvm: Allow migration with invtsc

2016-12-27 Thread Eduardo Habkost
Instead of blocking migration on the source when invtsc is enabled, rely on the migration destination to ensure there's no TSC frequency mismatch. We can't allow migration unconditionally because we don't know if the destination is a QEMU version that is really going to ensure there's no TSC frequ