linux-kernel - Re: [RFC v1 4/8] x86/init: add linker table support

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Message-ID: <56A14F75.4010101@zytor.com>
Date:	Thu, 21 Jan 2016 13:36:53 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Roger Pau Monné <roger.pau@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andy Lutomirski <luto@...capital.net>, mcb30@...e.org,
	Juergen Gross <jgross@...e.com>,
	Jan Beulich <JBeulich@...e.com>, joro@...tes.org,
	Andrey Ryabinin <ryabinin.a.a@...il.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>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v1 4/8] x86/init: add linker table support

On 01/21/16 12:05, Luis R. Rodriguez wrote:
> 
>> At least on i386,
>> we have to do this in assembly code.
> 
> Neat! How is that order kept?
> 

Right now subarch_entries[] is just an array indexed by subarch number
hardcoded in head_32.S.

However, if you have a list of (id, target) then you could just iterate
over it.

	-hpa