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? Paolo
