linux-kernel - Re: Is LTO_REFERENCE_INITCALL() still needed?

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Message-ID: <20160624210753.GA13997@two.firstfloor.org>
Date:	Fri, 24 Jun 2016 14:07:53 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	"Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:	Andi Kleen <andi@...stfloor.org>, "H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	X86 ML <x86@...nel.org>, Borislav Petkov <bp@...en8.de>,
	Andy Lutomirski <luto@...capital.net>
Subject: Re: Is LTO_REFERENCE_INITCALL() still needed?

> But nothing quite obviously setting these upstream. I'm probably just
> missing something obvious though. Either way I figured now would be a
> good time to ask as I have other code that would use this, the linker
> table stuff I've been working. If we can avoid propagating more use of
> LTO_REFERENCE_INITCALL() then great. If we still need it its probably
> good to document this a bit more as can't see anything super clear.

It was a work around for a gcc 4.7 LTO problem. I guess it could be
dropped by now.

Yes I've been slow in submitting the LTO patches, even though they
have a quite active out of tree user base. Will try to do better.

-Andi