Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Thu, 14 May 2020 17:09:20 -0700
From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
To:     Joe Perches <joe@perches.com>
Cc:     Alan Maguire <alan.maguire@oracle.com>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        bpf <bpf@vger.kernel.org>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
        Yonghong Song <yhs@fb.com>, Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>,
        Andrii Nakryiko <andriin@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@chromium.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH v2 bpf-next 4/7] printk: add type-printing %pT format
 specifier which uses BTF
Message-ID: <20200515000920.2el4jyrwqqbd6jw3@ast-mbp.dhcp.thefacebook.com>
References: <1589263005-7887-1-git-send-email-alan.maguire@oracle.com>
 <1589263005-7887-5-git-send-email-alan.maguire@oracle.com>
 <1b63a6b193073674b6e0f9f95c62ce2af1b977cc.camel@perches.com>
 <CAADnVQK8osy9W8-u-K=ucqe5q-+Uik41fBw6d-SfG-m6rgVwDQ@mail.gmail.com>
 <397fb29abb20d11003a18919ee0c44918fc1a165.camel@perches.com>
 <28145b05ee792b89ab9cb560f4f9989fd3d5d93b.camel@perches.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <28145b05ee792b89ab9cb560f4f9989fd3d5d93b.camel@perches.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, May 14, 2020 at 04:43:24PM -0700, Joe Perches wrote:
>  The ``BTF_INT_BITS()`` specifies the number of actual bits held by this int
>  type. For example, a 4-bit bitfield encodes ``BTF_INT_BITS()`` equals to 4.
> diff --git a/include/uapi/linux/btf.h b/include/uapi/linux/btf.h
> index 5a667107ad2c..36f309209786 100644
> --- a/include/uapi/linux/btf.h
> +++ b/include/uapi/linux/btf.h
> @@ -90,6 +90,7 @@ struct btf_type {
>  #define BTF_INT_SIGNED	(1 << 0)
>  #define BTF_INT_CHAR	(1 << 1)
>  #define BTF_INT_BOOL	(1 << 2)
> +#define BTF_INT_HEX	(1 << 3)

Nack.
Hex is not a type.