On Sun, Oct 27, 2019 at 07:11:13PM -0400, Luwei Kang wrote: > This patch introduce a parameter that avoid clear the PEBS event > counter while running in the guest. The performance counter which > use for PEBS event can be enabled through VM-entry when PEBS is > enabled in guest by PEBS output to Intel PT. Please write coherent Changelogs. I have no clue what you're trying to say. Also, maybe this attrocious coding style is accepted in KVM, but I'm not having it. Pretty much all your linebreaks and subsequent indenting is against style.