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From: "Lu, Hongjiu" <hongjiu.lu@intel.com>
To: David Woodhouse <dwmw2@infradead.org>,
	Andi Kleen <ak@linux.intel.com>,
	"Van De Ven, Arjan" <arjan.van.de.ven@intel.com>,
	"Tsimbalist, Igor V" <igor.v.tsimbalist@intel.com>
Cc: Paul Turner <pjt@google.com>, LKML <linux-kernel@vger.kernel.org>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linux-foundation.org>,
	Tim Chen <tim.c.chen@linux.intel.com>,
	"Hansen, Dave" <dave.hansen@intel.com>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	Kees Cook <keescook@google.com>, Rik van Riel <riel@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Jiri Kosina <jikos@kernel.org>,
	"gnomes@lxorguk.ukuu.org.uk" <gnomes@lxorguk.ukuu.org.uk>
Subject: RE: [RFC PATCH 13/12] Retpoline vs. CONFIG_TRIM_UNUSED_SYMBOLS
Date: Sun, 7 Jan 2018 17:57:08 +0000	[thread overview]
Message-ID: <DDC0A53C62D26D419EFD5F13B1AD3EA5BE9763A8@ORSMSX103.amr.corp.intel.com> (raw)
In-Reply-To: <1515346352.29312.322.camel@infradead.org>

Please checkout patches for GCC 7:

https://github.com/hjl-tools/gcc/commits/hjl/indirect/gcc-7-branch/master

For GCC trunk:

https://github.com/hjl-tools/gcc/commits/hjl/indirect/master

H.J.

> -----Original Message-----
> From: David Woodhouse [mailto:dwmw2@infradead.org]
> Sent: Sunday, January 07, 2018 9:33 AM
> To: Lu, Hongjiu <hongjiu.lu@intel.com>; Andi Kleen <ak@linux.intel.com>;
> Van De Ven, Arjan <arjan.van.de.ven@intel.com>; Tsimbalist, Igor V
> <igor.v.tsimbalist@intel.com>
> Cc: Paul Turner <pjt@google.com>; LKML <linux-kernel@vger.kernel.org>;
> Linus Torvalds <torvalds@linux-foundation.org>; Greg Kroah-Hartman
> <gregkh@linux-foundation.org>; Tim Chen <tim.c.chen@linux.intel.com>;
> Hansen, Dave <dave.hansen@intel.com>; tglx@linutronix.de; Kees Cook
> <keescook@google.com>; Rik van Riel <riel@redhat.com>; Peter Zijlstra
> <peterz@infradead.org>; Andy Lutomirski <luto@amacapital.net>; Jiri
> Kosina <jikos@kernel.org>; gnomes@lxorguk.ukuu.org.uk
> Subject: Re: [RFC PATCH 13/12] Retpoline vs.
> CONFIG_TRIM_UNUSED_SYMBOLS
> 
> On Sun, 2018-01-07 at 15:09 +0000, Lu, Hongjiu wrote:
> > Sure, I can use __x86_indirect_thunk_rax.
> 
> Great, thanks.
> 
> I've made that change on top of your 20171219 patch set which is the
> latest I've seen, and pushed it to my tree at
> http://git.infradead.org/users/dwmw2/gcc-
> retpoline.git/shortlog/refs/heads/retpoline-20180107
> 
> I assume you'll want to redo those patches so that it's
> __x86_indirect_thunk_rax from the start, rather than starting with dots
> and then changing it, but I'll let you deal with that and push it
> upstream. Building compiler now, and then I'll update and simplify the
> kernel patches accordingly.

  reply	other threads:[~2018-01-07 17:57 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-06 11:49 [PATCH v5 00/12] Retpoline: Avoid speculative indirect calls in kernel David Woodhouse
2018-01-06 11:49 ` [PATCH v5 01/12] x86/spectre: Add X86_BUG_SPECTRE_V[12] David Woodhouse
2018-01-06 21:05   ` [tip:x86/pti] x86/cpufeatures: " tip-bot for David Woodhouse
2018-01-06 11:49 ` [PATCH v5 02/12] x86/retpoline: Add initial retpoline support David Woodhouse
2018-01-06 17:32   ` David Woodhouse
2018-01-06 18:05   ` [PATCH v5.1 " David Woodhouse
2018-01-06 18:35   ` [PATCH v5 " Eric Biggers
2018-01-06 19:17     ` David Woodhouse
2018-01-06 21:16   ` Andrew Cooper
2018-01-06 21:21     ` Woodhouse, David
2018-01-07  1:44       ` Tom Lendacky
2018-01-06 21:23     ` Thomas Gleixner
2018-01-06 21:34       ` Andrew Cooper
2018-01-06 21:49         ` Woodhouse, David
2018-01-06 11:49 ` [PATCH v5 03/12] x86/retpoline/crypto: Convert crypto assembler indirect jumps David Woodhouse
2018-01-06 11:49 ` [PATCH v5 04/12] x86/retpoline/entry: Convert entry " David Woodhouse
2018-01-06 11:49 ` [PATCH v5 05/12] x86/retpoline/ftrace: Convert ftrace " David Woodhouse
2018-01-06 18:13   ` Linus Torvalds
2018-01-06 19:53     ` Thomas Gleixner
2018-01-07  1:27       ` Linus Torvalds
2018-01-06 11:49 ` [PATCH v5 06/12] x86/retpoline/hyperv: Convert " David Woodhouse
2018-01-06 11:49 ` [PATCH v5 07/12] x86/retpoline/xen: Convert Xen hypercall " David Woodhouse
2018-01-06 11:49 ` [PATCH v5 08/12] x86/retpoline/checksum32: Convert assembler " David Woodhouse
2018-01-06 11:49 ` [PATCH v5 09/12] x86/retpoline/irq32: " David Woodhouse
2018-01-06 11:49 ` [PATCH v5 10/12] x86/retpoline: Add boot time option to disable retpoline David Woodhouse
2018-01-06 11:49 ` [PATCH v5 11/12] x86/retpoline: Exclude objtool with retpoline David Woodhouse
2018-01-06 11:49 ` [PATCH v5 12/12] retpoline/modpost: Quieten MODVERSION retpoline build David Woodhouse
2018-01-07  0:10 ` [RFC PATCH 13/12] Retpoline vs. CONFIG_TRIM_UNUSED_SYMBOLS David Woodhouse
2018-01-07  8:03   ` David Woodhouse
2018-01-07 15:09     ` Lu, Hongjiu
2018-01-07 17:32       ` David Woodhouse
2018-01-07 17:57         ` Lu, Hongjiu [this message]
2018-01-07 18:18           ` Thomas Gleixner
2018-01-07 18:32             ` Lu, Hongjiu
2018-01-07 20:57               ` David Woodhouse
2018-01-07 22:16               ` David Woodhouse

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