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SubjectRe: [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 The help text is indeed out of date.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.


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