linux-kernel - Re: [PATCH v4 1/2] perf pmu: Add PMU alias support

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Date:   Thu, 12 Aug 2021 12:39:04 +0800
From:   "Jin, Yao" <yao.jin@...ux.intel.com>
To:     Andi Kleen <ak@...ux.intel.com>, acme@...nel.org, jolsa@...nel.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com
Cc:     Linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        kan.liang@...el.com, yao.jin@...el.com, rickyman7@...il.com,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: Re: [PATCH v4 1/2] perf pmu: Add PMU alias support



On 8/11/2021 9:27 PM, Andi Kleen wrote:
> 
>> +
>> +    dir = opendir(path);
>> +    if (!dir)
>> +        return -1;
> 
> 
> Could we cache/check the opendir result through file_available too?
> 
> 
> The rest looks good
> 
> 
> Reviewed-by: Andi Kleen <ak@...ux.intel.com>
> 
> -Andi

Thanks Andi! Let me check how to do it.

Thanks
Jin Yao