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

From: Like Xu
Date: Wed Jul 21 2021 - 08:03:58 EST


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;
}