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Re: [PATCH] scripts: Make sortextable handle relocations.

To: David Daney <>
Subject: Re: [PATCH] scripts: Make sortextable handle relocations.
From: "H. Peter Anvin" <>
Date: Fri, 20 Apr 2012 18:38:52 -0700
Cc: Ralf Baechle <>, Thomas Gleixner <>, Ingo Molnar <>,, Linus Torvalds <>, Michal Marek <>,,, Andrew Morton <>
In-reply-to: <>
Organization: Linux Kernel Organization, Inc.
References: <> <> <> <>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1
On 04/20/2012 04:17 PM, H. Peter Anvin wrote:
> On 04/20/2012 04:14 PM, David Daney wrote:
>>> I think Linus is right and the right thing to do is to switch to using
>>> relative entries in the exception table; I am currently testing a
>>> patchset to do exactly that (on x86).  It also has the benefit of making
>>> the table half the size on x86-64.  Then we can just zero out the
>>> .rel[a]__ex_table section and be done with it.
>> That's fine.
>> In any event we want to do build time sorting, this patch improves the
>> original sortextable, so may be worthwhile as purely a cleanup.  I
>> wanted to fix the relocation breakage, even if the eventual solution
>> needs to be somewhat different.
> Yes... let me finish the patchset and then you can look at what is needed.
>       -hpa

The patchset is finished and is in the x86/extable branch of the -tip
tree.  Any way I can convinc you to produce a patch(set) on top of that


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