linux-kernel - Re: [PATCH bpf-next] compiler_types: Refactor the use of btf_type

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Message-ID: <f2584838-8297-6c33-c4a0-39f20f325e6b@fb.com>
Date:   Thu, 10 Mar 2022 14:43:28 -0800
From:   Yonghong Song <yhs@...com>
To:     Hao Luo <haoluo@...gle.com>, Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     KP Singh <kpsingh@...nel.org>, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next] compiler_types: Refactor the use of btf_type_tag
 attribute.



On 3/10/22 1:16 PM, Hao Luo wrote:
> Previous patches have introduced the compiler attribute btf_type_tag for
> __user and __percpu. The availability of this attribute depends on
> some CONFIGs and compiler support. This patch refactors the use
> of btf_type_tag by introducing BTF_TYPE_TAG, which hides all the
> dependencies.
> 
> No functional change.
> 
> Suggested-by: Andrii Nakryiko <andrii@...nel.org>
> Cc: Yonghong Song <yhs@...com>
> Signed-off-by: Hao Luo <haoluo@...gle.com>

LGTM. Thanks!

Acked-by: Yonghong Song <yhs@...com>