From: Andy Lutomirski <luto@amacapital.net>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
mcb30@ipxe.org, Juergen Gross <jgross@suse.com>,
Jan Beulich <JBeulich@suse.com>, Joerg Roedel <joro@8bytes.org>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Andrey Konovalov <andreyknvl@google.com>,
long.wanglong@huawei.com, qiuxishi@huawei.com,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
valentinrothberg@gmail.com, peter.senna@gmail.com,
Luis Rodriguez <mcgrof@suse.com>, X86 ML <x86@kernel.org>,
Xen Devel <xen-devel@lists.xensource.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC v1 5/8] x86/init: move ebda reservations into linker table
Date: Thu, 17 Dec 2015 12:57:49 -0800 [thread overview]
Message-ID: <CALCETrX6v0SX2Dswu0sO8Ar5MxcPKzDZM-ax3zbfALCtwjqewA@mail.gmail.com> (raw)
In-Reply-To: <56732132.4080401@zytor.com>
On Thu, Dec 17, 2015 at 12:55 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/17/15 12:48, Andy Lutomirski wrote:
>>
>> I'm entirely ignorant of anything going on in gPXE/iPXE.
>>
>> Can you explain what a linker table *does*? It looks like all you've
>> done in this patch is to move code around. What actually happens?
>>
>
> A linker table is a data structure that is stitched together from items
> in multiple object files.
>
> We already have a *bunch* of linker tables in Linux, mostly the init
> tables, but they are all built in an ad hoc manner which requires linker
> script modifications, which are of course per architecture.
>
> My desire would be to make a general linker table facility so that a new
> linker table can be implemented by changing C code only.
Sounds good to me.
--Andy
next prev parent reply other threads:[~2015-12-17 20:57 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-15 22:16 [RFC v1 0/8] x86/init: Linux linker tables Luis R. Rodriguez
2015-12-15 22:16 ` [RFC v1 1/8] paravirt: rename paravirt_enabled to paravirt_legacy Luis R. Rodriguez
2016-01-20 19:32 ` Konrad Rzeszutek Wilk
2016-02-04 22:50 ` Luis R. Rodriguez
2015-12-15 22:16 ` [RFC v1 2/8] tables.h: add linker table support Luis R. Rodriguez
2016-01-20 20:04 ` Konrad Rzeszutek Wilk
2016-01-20 23:15 ` Michael Brown
2016-01-20 23:24 ` H. Peter Anvin
2015-12-15 22:16 ` [RFC v1 3/8] x86/boot: add BIT() to boot/bitops.h Luis R. Rodriguez
2016-01-20 20:17 ` Konrad Rzeszutek Wilk
2016-01-20 20:33 ` Luis R. Rodriguez
2015-12-15 22:16 ` [RFC v1 4/8] x86/init: add linker table support Luis R. Rodriguez
2016-01-20 20:45 ` Konrad Rzeszutek Wilk
2016-01-20 21:00 ` Konrad Rzeszutek Wilk
2016-01-20 21:33 ` Luis R. Rodriguez
2016-01-20 21:41 ` H. Peter Anvin
2016-01-20 22:12 ` Luis R. Rodriguez
2016-01-20 22:20 ` H. Peter Anvin
2016-01-22 0:25 ` Luis R. Rodriguez
2016-01-22 0:42 ` H. Peter Anvin
2016-02-11 20:45 ` Luis R. Rodriguez
2016-01-21 8:38 ` Roger Pau Monné
2016-01-21 13:45 ` Boris Ostrovsky
2016-01-21 19:25 ` H. Peter Anvin
2016-01-21 19:46 ` Luis R. Rodriguez
2016-01-21 19:50 ` H. Peter Anvin
2016-01-21 19:52 ` H. Peter Anvin
2016-01-22 0:19 ` Luis R. Rodriguez
2016-01-21 20:05 ` Luis R. Rodriguez
2016-01-21 21:36 ` H. Peter Anvin
2015-12-15 22:16 ` [RFC v1 5/8] x86/init: move ebda reservations into linker table Luis R. Rodriguez
2015-12-17 20:48 ` Andy Lutomirski
2015-12-17 20:55 ` H. Peter Anvin
2015-12-17 20:57 ` Andy Lutomirski [this message]
2015-12-17 23:40 ` Luis R. Rodriguez
2016-01-20 20:46 ` Konrad Rzeszutek Wilk
2015-12-15 22:16 ` [RFC v1 6/8] x86/init: use linker table for i386 early setup Luis R. Rodriguez
2016-01-20 21:14 ` Konrad Rzeszutek Wilk
2016-01-20 21:41 ` Luis R. Rodriguez
2016-02-11 19:55 ` Luis R. Rodriguez
2015-12-15 22:16 ` [RFC v1 7/8] x86/init: user linker table for ce4100 " Luis R. Rodriguez
2016-01-20 21:14 ` Konrad Rzeszutek Wilk
2015-12-15 22:16 ` [RFC v1 8/8] x86/init: use linker table for mid " Luis R. Rodriguez
2016-01-20 21:15 ` Konrad Rzeszutek Wilk
2015-12-15 22:59 ` [RFC v1 0/8] x86/init: Linux linker tables H. Peter Anvin
2015-12-17 20:38 ` H. Peter Anvin
2015-12-17 23:46 ` Luis R. Rodriguez
2015-12-17 23:58 ` Luis R. Rodriguez
2015-12-18 4:25 ` H. Peter Anvin
2015-12-18 4:40 ` H. Peter Anvin
2016-01-21 20:19 ` H. Peter Anvin
2016-01-21 20:33 ` Luis R. Rodriguez
2016-01-21 21:37 ` Konrad Rzeszutek Wilk
2016-01-21 22:25 ` [Xen-devel] " Luis R. Rodriguez
2016-01-21 23:56 ` H. Peter Anvin
2016-01-22 0:28 ` Luis R. Rodriguez
2016-01-22 8:15 ` Michael Brown
2016-01-22 13:44 ` Michael Matz
2016-01-22 19:06 ` H. Peter Anvin
2016-01-22 21:52 ` Luis R. Rodriguez
2016-02-03 0:22 ` Luis R. Rodriguez
2016-02-03 0:25 ` H. Peter Anvin
2016-02-03 0:28 ` Luis R. Rodriguez
2016-02-03 0:48 ` Luis R. Rodriguez
2016-02-02 23:48 ` H. Peter Anvin
2016-02-03 0:15 ` Luis R. Rodriguez
2015-12-18 18:50 ` Luis R. Rodriguez
2015-12-18 18:58 ` H. Peter Anvin
2016-01-20 21:16 ` Konrad Rzeszutek Wilk
2016-01-20 21:49 ` Luis R. Rodriguez
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