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

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Message-ID: <CAB=NE6W5DtBsyrp_d-V9th=iV5sGQ70a50c9VhDP1=zMyRUgjg@mail.gmail.com>
Date:	Tue, 2 Feb 2016 16:15:12 -0800
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Michael Matz <matz@...e.de>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andy Lutomirski <luto@...capital.net>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Michael Brown <mcb30@...e.org>,
	Juergen Gross <jgross@...e.com>,
	Jan Beulich <JBeulich@...e.com>,
	Joerg Roedel <joro@...tes.org>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	andreyknvl@...gle.com, long.wanglong@...wei.com,
	qiuxishi@...wei.com, aryabinin@...tuozzo.com,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Valentin Rothberg <valentinrothberg@...il.com>,
	Peter Senna Tschudin <peter.senna@...il.com>,
	X86 ML <x86@...nel.org>, Michal Marek <mmarek@...e.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v1 0/8] x86/init: Linux linker tables

On Tue, Feb 2, 2016 at 3:48 PM, H. Peter Anvin <hpa@...or.com> wrote:
> On 01/22/2016 05:44 AM, Michael Matz wrote:
>> Hi,
>>
>> On Thu, 21 Jan 2016, H. Peter Anvin wrote:
>>
>>> Something that confuses me is that gcc seems to give these sections the
>>> "aw" attributes which makes as complain.  This might be a gcc bug.
>>
>> Workaround: use an (possibly empty) intializer:
>>
>> struct foo {int i;};
>> const struct foo
>> __attribute__((used,section(".rodata.tbl.tablename.0"))) tablename[0] = {};
>>
>
> Any forward progress on this?

Yes, I'll reply inline to my only concern.

 Luis