* kan.li...@intel.com <kan.li...@intel.com> wrote: > From: Kan Liang <kan.li...@intel.com> > > PERF_GLOBAL_CTL could be cleared after Package C7. This patch tries to > workaround this issue by re-enable PERF_GLOBAL_CTL in enable_box. > The workaround does not cover all cases. It helps for new events after > returning from C7. > There is no drawback in letting the thing enabled, so it does not need > disable_box here.
This changelog is very poor for similar reasons as: Re: [PATCH] perf/x86/intel/uncore: correct uncore num_counters Please fix the changelog to conform to the standard changelog style: - first describe the symptoms of the bug - how does a user notice? - then describe how the code behaves today and how that is causing the bug - and then only describe how it's fixed. The first item is the most important one - while developers (naturally) tend to concentrate on the least important point, the last one. Thanks, Ingo