linux-kernel - Re: [RFC PATCH 13/12] Retpoline vs. CONFIG_TRIM_UNUSED

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Message-ID: <1515358648.29312.328.camel@infradead.org>
Date:   Sun, 07 Jan 2018 20:57:28 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     "Lu, Hongjiu" <hongjiu.lu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        "Van De Ven, Arjan" <arjan.van.de.ven@...el.com>,
        "Tsimbalist, Igor V" <igor.v.tsimbalist@...el.com>,
        Paul Turner <pjt@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        Kees Cook <keescook@...gle.com>,
        Rik van Riel <riel@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...capital.net>,
        Jiri Kosina <jikos@...nel.org>,
        "gnomes@...rguk.ukuu.org.uk" <gnomes@...rguk.ukuu.org.uk>
Subject: Re: [RFC PATCH 13/12] Retpoline vs. CONFIG_TRIM_UNUSED_SYMBOLS

On Sun, 2018-01-07 at 18:32 +0000, Lu, Hongjiu wrote:
> 
> > What's the plan for these vs. official GCC? Is that stuff going to part of GCC
> > and if so, which versions of GCC will have that?
> 
> If I get positive feedbacks from kernel folks with my GCC 7 patches today, I
> will submit my patches for GCC 8 today.   After they are checked in, I will
> backport them to GCC 7/6/5/4.9.

I've pushed a new kernel retpoline branch tested with the changes I
made myself. Building your patch set now, both locally and at
https://koji.fedoraproject.org/koji/taskinfo?taskID=24065739
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