> On 25/12/18 09:23, Kang, Luwei wrote: > >> From: Qemu-devel > >> [mailto:qemu-devel-bounces+luwei.kang=intel....@nongnu.org] On Behalf > >> Of Paolo Bonzini > >> Sent: Friday, December 21, 2018 8:44 PM > >> To: qemu-devel@nongnu.org > >> Cc: ehabk...@redhat.com; qemu-sta...@nongnu.org > >> Subject: [Qemu-devel] [PATCH] i386: mark the 'INTEL_PT' CPUID bit as > >> unmigratable > >> > >> Marshaling of processor tracing MSRs is not yet implemented in QEMU, mark > >> the feature as unmigratable. > > > > Hi Paolo, > > I think Intel PT has supported live migration. I don't understand what > > you mean. > > > > commit b77146e9a129bcdb60edc23639211679ae846a92 > > Author: Chao Peng <chao.p.p...@linux.intel.com> > > Date: Mon Mar 5 00:48:36 2018 +0800 > > i386: Add support to get/set/migrate Intel Processor Trace feature > > Indeed. I had forgotten this patch because it was committed so long before > the kernel parts (which really should not happen, but Eduardo > and I miscommunicated on it). Can you check that it still works?
Yes, it is indeed so long. I will check if it still works. Thanks, Luwei Kang