linux-kernel - Re: [GIT PULL] x86 fixes

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Message-ID: <20141117135854.GA15076@gmail.com>
Date:	Mon, 17 Nov 2014 14:58:54 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	eternal.n08@...il.com, Kees Cook <keescook@...omium.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Junjie Mao <eternal.n08@...il.com>
Subject: Re: [GIT PULL] x86 fixes


* Markus Trippelsdorf <markus@...ppelsdorf.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
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