linux-kernel - Re: [BUG] x86 kenel won't boot under Virtual PC

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:	Mon, 08 Sep 2008 08:54:37 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux@...dersweb.net, linux-kernel@...r.kernel.org,
	the arch/x86 maintainers <x86@...nel.org>,
	Andi Kleen <andi-suse@...stfloor.org>
Subject: Re: [BUG] x86 kenel won't boot under Virtual PC

Andi Kleen wrote:
> On Mon, Sep 08, 2008 at 08:50:46AM -0700, H. Peter Anvin wrote:
>> Andi Kleen wrote:
>>>> The help text is indeed out of date.  I did a patch yesterday to, among 
>>>> other things, update it; I also want to verify that we are disabling all 
>>>> options that can cause gcc or binutils to generate nopl's; I plan to 
>>>> push it today.
>>> You (or whoever did those changes) likely broke a lot of distribution 
>>> setups subtly then. Hopefully the changes were worth that.
>> Likely broke a lot of distribution setups how?
> 
> Previously they could set CPU x and it would still run on other CPUs
> even if that option was not set. If that's not the case anymore then
> they will have some unhappy users once they update their kernels.
> 

That was broken long before by the gcc and binutils authors.

	-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/