Re: [PATCH V8 01/18] perf/core: Use static_call to optimize perf_guest_info_callbacks

[Zhu, Lingshan]

On 7/21/2021 7:57 PM, Like Xu wrote:
> On 16/7/2021 4:53 pm, Zhu Lingshan wrote:
> > +    } else if (xenpmu_data->pmu.r.regs.cpl & 3)
>
> Lingshan, serious for this version ?
>
> arch/x86/xen/pmu.c:438:9: error: expected identifier or ‘(’ before 
> ‘return’
>   438 |         return state;
>       |         ^~~~~~
> arch/x86/xen/pmu.c:439:1: error: expected identifier or ‘(’ before ‘}’ 
> token
>   439 | }
>       | ^
> arch/x86/xen/pmu.c: In function ‘xen_guest_state’:
> arch/x86/xen/pmu.c:436:9: error: control reaches end of non-void 
> function [-Werror=return-type]
>   436 |         }
>       |         ^
> cc1: some warnings being treated as errors
>
> > +            state |= PERF_GUEST_USER;
> >       }
forgot to enable XEN build in .config, V9 fixes this will come soon