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From: Arnd Bergmann <arnd@arndb.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
	Jon Maloy <jmaloy@redhat.com>, Ying Xue <ying.xue@windriver.com>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Networking <netdev@vger.kernel.org>,
	tipc-discussion@lists.sourceforge.net,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	llvm@lists.linux.dev, David Howells <dhowells@redhat.com>
Subject: Re: [PATCH] net, uapi: remove inclusion of arpa/inet.h
Date: Wed, 30 Mar 2022 08:11:00 +0200	[thread overview]
Message-ID: <CAK8P3a2RO7-SHKfe7b_LcG82gkca10c4fCJmjD_ToSP1Xm-yDA@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a37gvycJ4zbeVvD_=6Npuep52VEP7CrgS-_8y6OXK_U3Q@mail.gmail.com>

On Wed, Mar 30, 2022 at 8:08 AM Arnd Bergmann <arnd@arndb.de> wrote:
> On Wed, Mar 30, 2022 at 12:26 AM Nick Desaulniers
> <ndesaulniers@google.com> wrote:
> > On Tue, Mar 29, 2022 at 3:09 PM Nick Desaulniers <ndesaulniers@google.com> wrote:
> > ```
> > diff --git a/include/uapi/linux/byteorder/little_endian.h
> > b/include/uapi/linux/byteorder/little_endian.h
> > index cd98982e7523..c14f2c3728e2 100644
> > --- a/include/uapi/linux/byteorder/little_endian.h
> > +++ b/include/uapi/linux/byteorder/little_endian.h
> > @@ -103,5 +103,8 @@ static __always_inline __u16 __be16_to_cpup(const __be16 *p)
> >  #define __cpu_to_be16s(x) __swab16s((x))
> >  #define __be16_to_cpus(x) __swab16s((x))
> >
> > +#define htonl(x) __cpu_to_be32(x)
> > +#define htons(x) __cpu_to_be16(x)
> > +#define ntohs(x) __be16_to_cpu(x)
> >
>
> This is unfortunately a namespace violation, you can't define things in uapi
> headers that conflict with standard library interfaces.

nevermind, I just saw the thread continues and you arrived at a good solution
withusing the __cpu_to_be16() etc directly.

       Arnd

  reply	other threads:[~2022-03-30  6:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-29 21:29 [PATCH] net, uapi: remove inclusion of arpa/inet.h Nick Desaulniers
2022-03-29 21:50 ` Nick Desaulniers
2022-03-29 22:09   ` Nick Desaulniers
2022-03-29 22:26     ` Nick Desaulniers
2022-03-29 22:39       ` [PATCH v2] " Nick Desaulniers
2022-03-29 23:01         ` Jakub Kicinski
2022-03-29 23:12           ` Nick Desaulniers
2022-04-04 17:54           ` [PATCH net-next v3] " Nick Desaulniers
2022-04-06 13:10             ` patchwork-bot+netdevbpf
2022-03-30  6:08       ` [PATCH] " Arnd Bergmann
2022-03-30  6:11         ` Arnd Bergmann [this message]
2022-03-29 23:03     ` Nick Desaulniers

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