lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <4F920FAC.7060301@kernel.org>
Date:	Fri, 20 Apr 2012 18:38:52 -0700
From:	"H. Peter Anvin" <hpa@...nel.org>
To:	David Daney <ddaney.cavm@...il.com>
CC:	Ralf Baechle <ralf@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michal Marek <mmarek@...e.cz>, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] scripts: Make sortextable handle relocations.

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
branch?

	-hpa

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ