linux-kernel - Re: [PATCH v11 00/20] Compile-time stack validation

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Message-ID: <20150825080500.GA17977@gmail.com>
Date:	Tue, 25 Aug 2015 10:05:00 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, live-patching@...r.kernel.org,
	Michal Marek <mmarek@...e.cz>,
	Peter Zijlstra <peterz@...radead.org>,
	Andy Lutomirski <luto@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Pedro Alves <palves@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Bernd Petrovitsch <bernd@...rovitsch.priv.at>,
	Chris J Arges <chris.j.arges@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Alok Kataria <akataria@...are.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: [PATCH v11 00/20] Compile-time stack validation


* Josh Poimboeuf <jpoimboe@...hat.com> wrote:

>  lib/Kconfig.debug                         |  11 +
>  scripts/Makefile                          |   1 +
>  scripts/Makefile.build                    |  37 +-
>  scripts/mod/Makefile                      |   2 +
>  scripts/stackvalidate/Makefile            |  24 +
>  scripts/stackvalidate/arch-x86.c          | 160 +++++
>  scripts/stackvalidate/arch.h              |  44 ++
>  scripts/stackvalidate/elf.c               | 427 +++++++++++++
>  scripts/stackvalidate/elf.h               |  92 +++
>  scripts/stackvalidate/list.h              | 217 +++++++
>  scripts/stackvalidate/special.c           | 199 ++++++
>  scripts/stackvalidate/special.h           |  42 ++
>  scripts/stackvalidate/stackvalidate.c     | 976 ++++++++++++++++++++++++++++++
>  43 files changed, 2803 insertions(+), 48 deletions(-)
>  create mode 100644 Documentation/stack-validation.txt
>  create mode 100644 arch/x86/include/asm/stackvalidate.h
>  create mode 100644 include/linux/stackvalidate.h
>  create mode 100644 scripts/stackvalidate/Makefile
>  create mode 100644 scripts/stackvalidate/arch-x86.c
>  create mode 100644 scripts/stackvalidate/arch.h
>  create mode 100644 scripts/stackvalidate/elf.c
>  create mode 100644 scripts/stackvalidate/elf.h
>  create mode 100644 scripts/stackvalidate/list.h
>  create mode 100644 scripts/stackvalidate/special.c
>  create mode 100644 scripts/stackvalidate/special.h
>  create mode 100644 scripts/stackvalidate/stackvalidate.c

Btw., would you be against putting scripts/stackvalidate/ into 
tools/stackvalidate/ ?

That way it would be more generic, and could be used in a standalone fashion as 
well I suspect. It would not change any of your current usage of it.

(The other Kbuild glue changes still need to be in scripts/.)

Thanks,

	Ingo
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