linux-kernel - Re: Post-merge-window ping (Re: [PATCH v4 0/5] x86: two-phase syscall tracing and seccomp fastpath)

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Date:	Fri, 5 Sep 2014 14:14:20 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kees Cook <keescook@...omium.org>,
	Will Drewry <wad@...omium.org>,
	Oleg Nesterov <oleg@...hat.com>, X86 ML <x86@...nel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	linux-arch <linux-arch@...r.kernel.org>,
	LSM List <linux-security-module@...r.kernel.org>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: Post-merge-window ping (Re: [PATCH v4 0/5] x86: two-phase syscall
 tracing and seccomp fastpath)

On Fri, Sep 5, 2014 at 1:43 PM, H. Peter Anvin <hpa@...or.com> wrote:
> On 09/05/2014 01:07 PM, H. Peter Anvin wrote:
>> On 08/26/2014 06:32 PM, Andy Lutomirski wrote:
>>> On Mon, Jul 28, 2014 at 8:38 PM, Andy Lutomirski <luto@...capital.net> wrote:
>>>> This applies to:
>>>> git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git seccomp-fastpath
>>>>
>>>> Gitweb:
>>>> https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/log/?h=seccomp/fastpath
>>>
>>> Hi all-
>>>
>>> AFAIK the only thing that's changed since I submitted it is that the
>>> 3.17 merge window is closed.  Kees rebased the tree this applies to,
>>> but I think the patches all still apply.  What, if anything, do I need
>>> to do to help this along for 3.18?
>>>
>>
>> Just put this stuff in a branch and running through my personal test
>> battery now.
>>
>
> ... and they fail build testing.  Specifically, both i386 and x86-64
> allnoconfig fail with:

OK, that's embarrassing.  Also, this has been sitting on
git.kernel.org forever and kbuild never spotted it either.  Hmm.

Anyway, updates coming.

--Andy

>
> arch/x86/kernel/ptrace.c: In function ‘syscall_trace_enter_phase2’:
>   LD      fs/quota/built-in.o
> ../arch/x86/kernel/ptrace.c:1579:2: error: implicit declaration of
> function ‘seccomp_phase2’ [-Werror=implicit-function-declaration]
>   if (phase1_result > 1 && seccomp_phase2(phase1_result)) {
>   ^
> cc1: some warnings being treated as errors
>   CC      arch/x86/kernel/step.o
> make[4]: *** [arch/x86/kernel/ptrace.o] Error 1
>
>         -hpa
>
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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