On 22/12/18 02:01, Robert Hoo wrote: > On Fri, 2018-12-21 at 16:27 +0100, Paolo Bonzini wrote: >> On 21/12/18 16:22, Philippe Mathieu-Daudé wrote: >>> Hi Paolo, >>> >>> On 12/21/18 7:30 AM, Paolo Bonzini wrote: >>>> From: Robert Hoo <robert...@linux.intel.com> >>>> >>>> Processor tracing is not yet implemented for KVM and it will be >>>> an >>>> opt in feature requiring a special module parameter. >>>> Disable it, because it is wrong to enable it by default and >>>> it is impossible that no one has ever used it. >>>> >>>> Cc: qemu-sta...@nongnu.org >>> >>> Does this patch misses Robert S-o-b? >>> Signed-off-by: Robert Hoo <robert...@linux.intel.com> > > Paolo's right. It didn't come from me. >> >> No, the author is wrong, it should be me. "git commit -c" apparently >> copies the author from the original commit. >> >> Paolo > > Hi Paolo, would you hold on INTEL_PT removal for a moment? I think I > need Luwei's double confirm.
I'm aware of Luwei's patches, they will be in 4.21. As mentioned in the commit message, they will be an opt-in feature, not enabled by default; the default is system-wide tracing and no INTEL_PT CPUID bit available in the guest. Paolo
