linux-kernel - Re: x86: mce: Please revert 22223c9b417be5fd0ab2cf9ad17eb7bd1e19f7b9

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] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 1 Oct 2009 16:46:37 +0200
From:	Borislav Petkov <borislav.petkov@....com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Borislav Petkov <petkovbb@...glemail.com>,
	Andi Kleen <andi@...stfloor.org>, x86@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: x86: mce: Please revert
 22223c9b417be5fd0ab2cf9ad17eb7bd1e19f7b9

On Thu, Oct 01, 2009 at 07:34:11AM -0700, Linus Torvalds wrote:
> > Ok, here it is, tested on two Fam10 machines here with injecting MCEs.
> > The decoding code is now built-in by default (early_initcall requires
> > !MODULE).
> 
> I don't think it has to require !MODULE. We could do what we do for the 
> other initcalls, ie if MODULE we turn it into just a regular initcall. If 
> that allows something like the EDAC MCE to be built as a module, and 
> people want to, then just go ahead and add the one-liner to <linux/init.h>
>
> Of course, if it _requires_ being loaded early for some other reason, then

the only reason I can think of is if you want to be able to decode MCEs
happening as early as possible before the modules have been init-ted.

Question really is, what is more important to us? But we definitely
can do the module stuff too and get rid of ~5K core kernel fat by
relocating the whole functionality completely into the module. Hmm...

-- 
Regards/Gruss,
Boris.

Operating | Advanced Micro Devices GmbH
  System  | Karl-Hammerschmidt-Str. 34, 85609 Dornach b. München, Germany
 Research | Geschäftsführer: Andrew Bowd, Thomas M. McCoy, Giuliano Meroni
  Center  | Sitz: Dornach, Gemeinde Aschheim, Landkreis München
  (OSRC)  | Registergericht München, HRB Nr. 43632

--
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/