netdev - Re: [PATCH bpf-next v2 1/3] tools/bpf: move libbpf pr

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Date:   Fri, 1 Feb 2019 23:20:44 +0000
From:   Yonghong Song <yhs@...com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
CC:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH bpf-next v2 1/3] tools/bpf: move libbpf pr_* debug print
 functions to headers



On 2/1/19 3:10 PM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Feb 01, 2019 at 09:47:31AM -0800, Yonghong Song escreveu:
>> @@ -698,13 +695,13 @@ struct btf_ext *btf_ext__new(__u8 *data, __u32 size, btf_print_fn_t err_log)
>>   	if (!btf_ext)
>>   		return ERR_PTR(-ENOMEM);
>>   
>> -	err = btf_ext_copy_func_info(btf_ext, data, size, err_log);
>> +	err = btf_ext_copy_func_info(btf_ext, data, size);
>>   	if (err) {
>>   		btf_ext__free(btf_ext);
> 
> One thing I noticed whas that the class + __ + method is not being
> consistently followed, will this be dealt with in a followup patch, i.e.
> to make this consistently use the format used in the
> btf_ext__free(btf_ext) case?

Currently, the API functions have both +_+ and +__+ method names.
The +_+ is for APIs having a close one-to-one mapping
to system calls. The +__+ is for APIs a little bit high level.
Did you find any particular method whose format is not quite right?

> 
>>   		return ERR_PTR(err);
>>   	}
>>   
>> -	err = btf_ext_copy_line_info(btf_ext, data, size, err_log);
>> +	err = btf_ext_copy_line_info(btf_ext, data, size);
>>   	if (err) {
>>   		btf_ext__free(btf_ext);
>>   		return ERR_PTR(err);
> 
> - Arnaldo
>