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Date:	Mon, 11 Nov 2013 21:58:38 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	lkml <linux-kernel@...r.kernel.org>, x86-ml <x86@...nel.org>
Subject: Re: [PATCH -v1.1] Kbuild: Ignore GREP_OPTIONS env variable

On Mon, Nov 11, 2013 at 09:43:30PM +0100, Ingo Molnar wrote:
> * Michal Marek <mmarek@...e.cz> wrote:
> > On Mon, Nov 11, 2013 at 03:27:43PM +0100, Borislav Petkov wrote:
> > > From: Borislav Petkov <bp@...e.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(.[01;31m.[K0.[m.[K, sys_read, sys_read)
> > > __SYSCALL_COMMON(.[01;31m.[K1.[m.[K, sys_write, sys_write)
> > > __SYSCALL_COMMON(.[01;31m.[K1.[m.[K0, 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.
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