linux-kernel - Re: Build regressions/improvements in v3.10-rc1 (um)

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Message-ID: <CAFLxGvyKANuy_vezO+E1aL3FzvdjiNgCD3j-BVGSyL_ne015Xw@mail.gmail.com>
Date:	Mon, 13 May 2013 12:07:20 +0200
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	Michael Ellerman <michael@...erman.id.au>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	User-mode Linux Kernel Development 
	<user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: Build regressions/improvements in v3.10-rc1 (um)

On Mon, May 13, 2013 at 11:54 AM, Michael Ellerman
<michael@...erman.id.au> wrote:
>
>
> Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
>>On Sun, May 12, 2013 at 11:17 PM, richard -rw- weinberger
>><richard.weinberger@...il.com> wrote:
>>> On Sun, May 12, 2013 at 10:47 PM, Geert Uytterhoeven
>>> <geert@...ux-m68k.org> wrote:
>>>> On Sun, 12 May 2013, Geert Uytterhoeven wrote:
>>>>> However, the full list of errors isn't that unmanageable, so I'm
>>following
>>>>> up with a digested list...
>>>>
>>>> arch/um/drivers/cow_user.c:216: error: implicit declaration of
>>function 'htobe32': 1 errors in 1 logs
>>>> arch/um/drivers/cow_user.c:249: error: implicit declaration of
>>function 'htobe64': 1 errors in 1 logs
>>>> arch/um/drivers/cow_user.c:303: error: implicit declaration of
>>function 'be32toh': 1 errors in 1 logs
>>>> arch/um/drivers/cow_user.c:330: error: implicit declaration of
>>function 'be64toh': 1 errors in 1 logs
>>>> arch/um/os-Linux/skas/process.c:321: error: 'PTRACE_O_TRACESYSGOOD'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/skas/process.c:321: error: (Each undeclared
>>identifier is reported only once: 1 errors in 1 logs
>>>> arch/um/os-Linux/skas/process.c:321: error: for each function it
>>appears in.): 1 errors in 1 logs
>>>> arch/um/os-Linux/skas/process.c:412: error: 'PTRACE_GETSIGINFO'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/skas/process.c:560: error: 'PTRACE_O_TRACESYSGOOD'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:245: error: 'PTRACE_SETOPTIONS'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:245: error: (Each undeclared identifier
>>is reported only once: 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:245: error: for each function it appears
>>in.): 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:246: error: 'PTRACE_O_TRACESYSGOOD'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:303: error: 'PTRACE_SETOPTIONS'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>> arch/um/os-Linux/start_up.c:304: error: 'PTRACE_O_TRACESYSGOOD'
>>undeclared (first use in this function): 1 errors in 1 logs
>>>>         v3.10-rc1/um-i386/um-defconfig
>>>>         Old host environment on kissb?
>>>
>>> This really looks like a host environment issue.
>>> PTRACE_O_TRACESYSGOOD for example is defined in
>>/usr/include/linux/ptrace.h
>>
>>Yep, just like e.g. htobe32().
>>
>>Michael, Stephen: Any chance this can be fixed?
>
> Possibly. We're cross compiling these on powerpc so perhaps we need to update the cross compiler.

Looks like you are the first man on planet earth who tries do build
UML/x86 on powerpc. :D

--
Thanks,
//richard
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