linux-kernel - Re: [PATCH 1/3] arch: ipcbuf.h: make uapi asm/ipcbuf.h self-contained

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Message-ID: <CAK7LNASrZpJ0J7N_YvSza2QQ_cQQ+Z04Cf5-Or4ivKMb9UVuMQ@mail.gmail.com>
Date:   Thu, 31 Oct 2019 10:33:00 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-arch <linux-arch@...r.kernel.org>
Cc:     linux-s390 <linux-s390@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mips@...r.kernel.org, X86 ML <x86@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        sparclinux <sparclinux@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH 1/3] arch: ipcbuf.h: make uapi asm/ipcbuf.h self-contained

Hi Andrew,

I think this patch has already been picked up to your tree,
but I noticed a typo in the commit message just now.
Please see below.

On Wed, Oct 30, 2019 at 3:40 PM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> The user-space cannot compile <asm/ipcbuf.h> due to some missing type
> definitions. For example, building it for x86 fails as follows:
>
>   CC      usr/include/asm/ipcbuf.h.s
> In file included from ./usr/include/asm/ipcbuf.h:1:0,
>                  from <command-line>:32:
> ./usr/include/asm-generic/ipcbuf.h:21:2: error: unknown type name ‘__kernel_key_t’
>   __kernel_key_t  key;
>   ^~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:22:2: error: unknown type name ‘__kernel_uid32_t’
>   __kernel_uid32_t uid;
>   ^~~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:23:2: error: unknown type name ‘__kernel_gid32_t’
>   __kernel_gid32_t gid;
>   ^~~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:24:2: error: unknown type name ‘__kernel_uid32_t’
>   __kernel_uid32_t cuid;
>   ^~~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:25:2: error: unknown type name ‘__kernel_gid32_t’
>   __kernel_gid32_t cgid;
>   ^~~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:26:2: error: unknown type name ‘__kernel_mode_t’
>   __kernel_mode_t  mode;
>   ^~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:28:35: error: ‘__kernel_mode_t’ undeclared here (not in a function)
>   unsigned char  __pad1[4 - sizeof(__kernel_mode_t)];
>                                    ^~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:31:2: error: unknown type name ‘__kernel_ulong_t’
>   __kernel_ulong_t __unused1;
>   ^~~~~~~~~~~~~~~~
> ./usr/include/asm-generic/ipcbuf.h:32:2: error: unknown type name ‘__kernel_ulong_t’
>   __kernel_ulong_t __unused2;
>   ^~~~~~~~~~~~~~~~
>
> It is just a matter of missing include directive.
>
> Include <asm/posix_types.h> to make it self-contained, and add it to

Include <linux/posix_type.h> to make ...

Could you please fix it up locally?


Thank you.
Masahiro Yamada



> the compile-test coverage.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
>  arch/s390/include/uapi/asm/ipcbuf.h   | 2 ++
>  arch/sparc/include/uapi/asm/ipcbuf.h  | 2 ++
>  arch/xtensa/include/uapi/asm/ipcbuf.h | 2 ++
>  include/uapi/asm-generic/ipcbuf.h     | 2 ++
>  usr/include/Makefile                  | 1 -
>  5 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/s390/include/uapi/asm/ipcbuf.h b/arch/s390/include/uapi/asm/ipcbuf.h
> index 5b1c4f47c656..1030cd186899 100644
> --- a/arch/s390/include/uapi/asm/ipcbuf.h
> +++ b/arch/s390/include/uapi/asm/ipcbuf.h
> @@ -2,6 +2,8 @@
>  #ifndef __S390_IPCBUF_H__
>  #define __S390_IPCBUF_H__
>
> +#include <linux/posix_types.h>
> +
>  /*
>   * The user_ipc_perm structure for S/390 architecture.
>   * Note extra padding because this structure is passed back and forth
> diff --git a/arch/sparc/include/uapi/asm/ipcbuf.h b/arch/sparc/include/uapi/asm/ipcbuf.h
> index 9d0d125500e2..5b933a598a33 100644
> --- a/arch/sparc/include/uapi/asm/ipcbuf.h
> +++ b/arch/sparc/include/uapi/asm/ipcbuf.h
> @@ -2,6 +2,8 @@
>  #ifndef __SPARC_IPCBUF_H
>  #define __SPARC_IPCBUF_H
>
> +#include <linux/posix_types.h>
> +
>  /*
>   * The ipc64_perm structure for sparc/sparc64 architecture.
>   * Note extra padding because this structure is passed back and forth
> diff --git a/arch/xtensa/include/uapi/asm/ipcbuf.h b/arch/xtensa/include/uapi/asm/ipcbuf.h
> index a57afa0b606f..3bd0642f6660 100644
> --- a/arch/xtensa/include/uapi/asm/ipcbuf.h
> +++ b/arch/xtensa/include/uapi/asm/ipcbuf.h
> @@ -12,6 +12,8 @@
>  #ifndef _XTENSA_IPCBUF_H
>  #define _XTENSA_IPCBUF_H
>
> +#include <linux/posix_types.h>
> +
>  /*
>   * Pad space is left for:
>   * - 32-bit mode_t and seq
> diff --git a/include/uapi/asm-generic/ipcbuf.h b/include/uapi/asm-generic/ipcbuf.h
> index 7d80dbd336fb..41a01b494fc7 100644
> --- a/include/uapi/asm-generic/ipcbuf.h
> +++ b/include/uapi/asm-generic/ipcbuf.h
> @@ -2,6 +2,8 @@
>  #ifndef __ASM_GENERIC_IPCBUF_H
>  #define __ASM_GENERIC_IPCBUF_H
>
> +#include <linux/posix_types.h>
> +
>  /*
>   * The generic ipc64_perm structure:
>   * Note extra padding because this structure is passed back and forth
> diff --git a/usr/include/Makefile b/usr/include/Makefile
> index 57b20f7b6729..70f8fe256aed 100644
> --- a/usr/include/Makefile
> +++ b/usr/include/Makefile
> @@ -16,7 +16,6 @@ override c_flags = $(UAPI_CFLAGS) -Wp,-MD,$(depfile) -I$(objtree)/usr/include
>  # Please consider to fix the header first.
>  #
>  # Sorted alphabetically.
> -header-test- += asm/ipcbuf.h
>  header-test- += asm/msgbuf.h
>  header-test- += asm/sembuf.h
>  header-test- += asm/shmbuf.h
> --
> 2.17.1
>


-- 
Best Regards
Masahiro Yamada