linux-kernel - Re: [Xen-devel] [RFC v1 0/8] x86/init: Linux linker tables

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Message-ID: <56A17033.4090709@zytor.com>
Date:	Thu, 21 Jan 2016 15:56:35 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Michael Brown <mcb30@...e.org>
Cc:	Peter Senna Tschudin <peter.senna@...il.com>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	Jan Beulich <JBeulich@...e.com>, qiuxishi@...wei.com,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	joro@...tes.org, X86 ML <x86@...nel.org>,
	Ingo Molnar <mingo@...hat.com>, aryabinin@...tuozzo.com,
	Michael Matz <matz@...e.de>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	andreyknvl@...gle.com, Rusty Russell <rusty@...tcorp.com.au>,
	Michal Marek <mmarek@...e.com>, Borislav Petkov <bp@...en8.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Valentin Rothberg <valentinrothberg@...il.com>,
	Juergen Gross <jgross@...e.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>, long.wanglong@...wei.com
Subject: Re: [Xen-devel] [RFC v1 0/8] x86/init: Linux linker tables

On 01/21/16 14:25, Luis R. Rodriguez wrote:
> On Thu, Jan 21, 2016 at 1:37 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@...cle.com> wrote:
>>> Sure, do we know if that ICC compatible? Do we care? There are a
>>> series of ICC hacks put in place on ipxe's original solution which
>>> I've folded in, it seems that works but if we care about ICC those
>>> folks should perhaps help review as well.
>>
>> I didn't know the kernel could even be compiled with ICC? Thought
>> only GCC worked?
> 
> I'm happy with that, just wanted to make sure I raise the flag concern
> given the icc hacks on the linker tables.
> 
>> Anyhow - it may be that those fixes were for quite old ICC versions.
>> Does the latest one manifest these oddities?
> 
> I am not sure, I yield to Michael as the author of the original ICC
> compatibility pieces. If we don't care about ICC let me know and I'll
> just drop the stuff. In lack of such statements I'll just keep the
> work arounds in place, but I'm more than trilled to drop it.
> 

In general we let the ICC and Clang/LLVM teams communicate with out a
post facto.  We can't just guess what their requirements are, especially
since they are likely to change between revisions.

	-hpa