linux-kernel - Re: arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No such file or directory

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Message-ID: <CAJKOXPdxa=0iqKM1E0K_hX=hGWKk0Lb4QowSF8qP6fEa+XyiRw@mail.gmail.com>
Date:	Mon, 14 Mar 2016 09:53:06 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	kbuild test robot <fengguang.wu@...el.com>
Cc:	Al Viro <viro@....linux.org.uk>, kbuild-all@...org,
	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>
Subject: Re: arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No
 such file or directory

On Sun, Mar 13, 2016 at 7:45 AM, kbuild test robot
<fengguang.wu@...el.com> wrote:
> Hi Al,
>
> FYI, the error/warning still remains.
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   03c668a93187fe7fba9464f96fbe7c22eebd9897
> commit: 5c48b108ecbf6505d929e64d50dace13ac2bdf34 um: take arch/um/sys-x86 to arch/x86/um
> date:   4 years, 4 months ago
> config: um-i386_defconfig (attached as .config)
> reproduce:
>         git checkout 5c48b108ecbf6505d929e64d50dace13ac2bdf34
>         # save the attached .config to linux build tree
>         make ARCH=um SUBARCH=i386
>

Hi,

The code is correct. The build machine lacks asm/ptrace.h for i386
(e.g. /usr/include/i386-linux-gnu/asm/ptrace.h). For example on Ubuntu
this is provided by linux-libc-dev:i386.

Best regards,
Krzysztof


> All errors (new ones prefixed by >>):
>
>>> arch/x86/um/user-offsets.c:8:24: fatal error: asm/ptrace.h: No such file or directory
>    compilation terminated.
>    make[2]: *** [arch/x86/um/user-offsets.s] Error 1
>    make[1]: *** [arch/x86/um/user-offsets.s] Error 2
>    make[1]: Target 'prepare' not remade because of errors.
>    make: *** [sub-make] Error 2
>
> vim +8 arch/x86/um/user-offsets.c
>
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05   1  #include <stdio.h>
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05   2  #include <stddef.h>
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05   3  #include <signal.h>
> 63ae2a94d9 arch/um/sys-x86_64/user-offsets.c Jeff Dike 2006-03-27   4  #include <sys/poll.h>
> 16dd07bc64 arch/um/sys-x86_64/user-offsets.c Jeff Dike 2007-05-06   5  #include <sys/mman.h>
> 189872f968 arch/um/sys-x86_64/user-offsets.c Jeff Dike 2007-10-16   6  #include <sys/user.h>
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05   7  #define __FRAME_OFFSETS
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05  @8  #include <asm/ptrace.h>
> ba9950c820 arch/um/sys-x86_64/user-offsets.c Jeff Dike 2005-05-20   9  #include <asm/types.h>
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05  10
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05  11  #define DEFINE(sym, val) \
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05  12   asm volatile("\n->" #sym " %0 " #val : : "i" (val))
> 8d0b9dc9be arch/um/sys-x86_64/user-offsets.c Al Viro   2005-05-05  13
> ecba97d4aa arch/um/sys-x86_64/user-offsets.c Al Viro   2005-09-28  14  #define DEFINE_LONGS(sym, val) \
> ecba97d4aa arch/um/sys-x86_64/user-offsets.c Al Viro   2005-09-28  15   asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
> ecba97d4aa arch/um/sys-x86_64/user-offsets.c Al Viro   2005-09-28  16
>
> :::::: The code at line 8 was first introduced by commit
> :::::: 8d0b9dc9be3919e9979eac59fd12e8f82b098325 [PATCH] uml: start cross-build support : mk_user_constants
>
> :::::: TO: Al Viro <viro@...celfarce.linux.theplanet.co.uk>
> :::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
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