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Date: Mon, 17 Nov 2014 14:58:54 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Markus Trippelsdorf <markus@trippelsdorf.de>, eternal.n08@gmail.com,
        Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Junjie Mao <eternal.n08@gmail.com>
Subject: Re: [GIT PULL] x86 fixes
Message-ID: <20141117135854.GA15076@gmail.com>
References: <20141116090743.GA19172@gmail.com>
 <20141117074247.GB340@x4>
 <20141117082724.GA344@x4>
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* Markus Trippelsdorf <markus@trippelsdorf.de> wrote:

> On 2014.11.17 at 08:42 +0100, Markus Trippelsdorf wrote:
> > On 2014.11.16 at 10:07 +0100, Ingo Molnar wrote:
> > > 
> > > Junjie Mao (1):
> > >       x86, kaslr: Prevent .bss from overlaping initrd
> > 
> > This breaks the build for me:
> > ...
> >   OBJCOPY arch/x86/boot/compressed/vmlinux.bin
> >   HOSTCC  arch/x86/boot/compressed/mkpiggy
> >   CC      arch/x86/boot/compressed/cpuflags.o
> >   CC      arch/x86/boot/version.o
> >   CC      arch/x86/boot/video-vga.o
> >   CC      arch/x86/boot/video-vesa.o
> >   CC      arch/x86/boot/video-bios.o
> >   LZ4     arch/x86/boot/compressed/vmlinux.bin.lz4
> >   HOSTCC  arch/x86/boot/tools/build
> >   CPUSTR  arch/x86/boot/cpustr.h
> >   CC      arch/x86/boot/cpu.o
> > .bss and .brk lack common file offset
> > .bss and .brk lack common file offset
> > .bss and .brk lack common file offset
> > .bss and .brk lack common file offset
> >   MKPIGGY arch/x86/boot/compressed/piggy.S
> > Usage: arch/x86/boot/compressed/mkpiggy compressed_file run_size
> > arch/x86/boot/compressed/Makefile:86: recipe for target 'arch/x86/boot/compressed/piggy.S' failed

Oops ...

> from my config: 
> # CONFIG_BLK_DEV_INITRD is not set
> 
> So only running calc_run_size.pl when CONFIG_BLK_DEV_INITRD is set would
> probably fix the issue.  

I've Cc:-ed Junjie Mao and Kees Cook as well.

Thanks,

	Ingo