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From: David Woodhouse <dwmw2@infradead.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>, x86@kernel.org
Cc: linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Andi Kleen <ak@linux.intel.com>, Paul Turner <pjt@google.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linux-foundation.org>,
	Tim Chen <tim.c.chen@linux.intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Kees Cook <keescook@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Jiri Kosina <jikos@kernel.org>,
	gnomes@lxorguk.ukuu.org.uk
Subject: Re: [PATCH 0/3] objtool: retpoline compatibility
Date: Thu, 11 Jan 2018 10:22:06 +0000	[thread overview]
Message-ID: <1515666126.22302.314.camel@infradead.org> (raw)
In-Reply-To: <cover.1515635197.git.jpoimboe@redhat.com>

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On Wed, 2018-01-10 at 19:48 -0600, Josh Poimboeuf wrote:
> Make objtool compatible with CONFIG_RETPOLINE and re-enable the
> objtool-dependent features.
> 
> Josh Poimboeuf (3):
>   objtool: Detect jumps to retpoline thunks
>   objtool: Ignore retpoline alternatives
>   Revert "x86/retpoline: Temporarily disable objtool when
>     CONFIG_RETPOLINE=y"
> 
>  arch/x86/Kconfig                     |  4 +--
>  arch/x86/Kconfig.debug               |  6 ++--
>  arch/x86/include/asm/nospec-branch.h | 27 +++++++++++++-
>  tools/objtool/check.c                | 69 ++++++++++++++++++++++++++++++++----
>  tools/objtool/check.h                |  2 +-
>  5 files changed, 95 insertions(+), 13 deletions(-)

Brilliant, thank you. Can you take a look at the latest RSB stuffing
code in http://git.infradead.org/users/dwmw2/linux-retpoline.git/ too
please?

/bin/sh: line 1: 26242 Segmentation fault      (core dumped) ./tools/objtool/objtool orc generate --no-fp "arch/x86/kvm/vmx.o"

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      parent reply	other threads:[~2018-01-11 10:22 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-11  1:48 [PATCH 0/3] objtool: retpoline compatibility Josh Poimboeuf
2018-01-11  1:48 ` [PATCH 1/3] objtool: Detect jumps to retpoline thunks Josh Poimboeuf
2018-01-11  1:48 ` [PATCH 2/3] objtool: Ignore retpoline alternatives Josh Poimboeuf
2018-01-11 16:27   ` David Woodhouse
2018-01-11 16:33     ` Josh Poimboeuf
2018-01-11 16:39       ` David Woodhouse
2018-01-11 16:48         ` Josh Poimboeuf
2018-01-11 16:55           ` David Woodhouse
2018-01-11 17:25             ` Josh Poimboeuf
2018-01-11 16:58           ` Peter Zijlstra
2018-01-11 17:05             ` Jiri Kosina
2018-01-11 17:01           ` Jiri Kosina
2018-01-11 17:05             ` Peter Zijlstra
2018-01-11 17:19               ` David Woodhouse
2018-01-11 17:23                 ` Peter Zijlstra
2018-01-11 16:44       ` Peter Zijlstra
2018-01-11 17:29     ` Linus Torvalds
2018-01-11 17:37       ` Josh Poimboeuf
2018-01-11 17:43       ` David Woodhouse
2018-01-11 17:56       ` Peter Zijlstra
2018-01-12 20:36         ` Ingo Molnar
2018-01-11 17:57       ` David Woodhouse
2018-01-11  1:48 ` [PATCH 3/3] Revert "x86/retpoline: Temporarily disable objtool when CONFIG_RETPOLINE=y" Josh Poimboeuf
2018-01-11 10:22 ` David Woodhouse [this message]

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