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Date: Thu, 14 May 2020 17:21:29 -0700 From: Joe Perches <joe@...ches.com> To: Alexei Starovoitov <alexei.starovoitov@...il.com> Cc: Alan Maguire <alan.maguire@...cle.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, bpf <bpf@...r.kernel.org>, Rasmus Villemoes <linux@...musvillemoes.dk>, Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>, Yonghong Song <yhs@...com>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Andrii Nakryiko <andriin@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...omium.org>, LKML <linux-kernel@...r.kernel.org>, Network Development <netdev@...r.kernel.org> Subject: Re: [PATCH v2 bpf-next 4/7] printk: add type-printing %pT format specifier which uses BTF On Thu, 2020-05-14 at 17:09 -0700, Alexei Starovoitov wrote: > 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. It is a pretty print output format.
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