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Date: Mon, 11 Nov 2013 21:58:38 +0100
From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Michal Marek <mmarek@suse.cz>, linux-kbuild@vger.kernel.org,
        lkml <linux-kernel@vger.kernel.org>, x86-ml <x86@kernel.org>
Subject: Re: [PATCH -v1.1] Kbuild: Ignore GREP_OPTIONS env variable
Message-ID: <20131111205837.GA29793@pd.tnic>
References: <20131030160635.GE13290@pd.tnic>
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 <20131111142743.GE28219@pd.tnic>
 <20131111170041.GA18517@pobox.suse.cz>
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On Mon, Nov 11, 2013 at 09:43:30PM +0100, Ingo Molnar wrote:
> * Michal Marek <mmarek@suse.cz> wrote:
> > On Mon, Nov 11, 2013 at 03:27:43PM +0100, Borislav Petkov wrote:
> > > From: Borislav Petkov <bp@suse.de>
> > > Subject: [PATCH] Kbuild: Ignore GREP_OPTIONS env variable
> > > 
> > > When building the kernel in a shell which defines GREP_OPTIONS so that
> > > grep behavior is modified, we can break the generation of the syscalls
> > > table like so:
> > > 
> > > __SYSCALL_COMMON(0, sys_read, sys_read)
> > > __SYSCALL_COMMON(1, sys_write, sys_write)
> > > __SYSCALL_COMMON(10, sys_mprotect, sys_mprotect) ...
> > 
> > The email had literal escape sequences and git am preserved them, so git
> > show displayed red zeros and onces. [..]
> 
> Neat trick if it was intentionally!
> 
> > [...] That was quite scary, [...]
> 
> Scary if it was unintentional ;-)

Yeah, all our computers are bleeding :-) Well, I sent the first version
on the evening before Helloween...

<scary music playing, an old door is creaking...>

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--