netdev - Re: [PATCH v3 bpf-next 2/4] selftests/bpf: add __int and _

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Date:   Wed, 3 Jul 2019 22:41:22 +0000
From:   Yonghong Song <yhs@...com>
To:     Andrii Nakryiko <andriin@...com>,
        "andrii.nakryiko@...il.com" <andrii.nakryiko@...il.com>,
        Alexei Starovoitov <ast@...com>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 2/4] selftests/bpf: add __int and __type macro
 for BTF-defined maps



On 7/3/19 12:06 PM, Andrii Nakryiko wrote:
> Add simple __int and __type macro that hide details of how type and

The "__int" should be "__uint".
The subject line should change from __int to __uint.

> integer values are captured in BTF-defined maps.
> 
> Signed-off-by: Andrii Nakryiko <andriin@...com>
> ---
>   tools/testing/selftests/bpf/bpf_helpers.h | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
> index 1a5b1accf091..5a3d92c8bec8 100644
> --- a/tools/testing/selftests/bpf/bpf_helpers.h
> +++ b/tools/testing/selftests/bpf/bpf_helpers.h
> @@ -8,6 +8,9 @@
>    */
>   #define SEC(NAME) __attribute__((section(NAME), used))
>   
> +#define __uint(name, val) int (*name)[val]
> +#define __type(name, val) val *name
> +
>   /* helper macro to print out debug messages */
>   #define bpf_printk(fmt, ...)				\
>   ({							\
>