Re: [PATCH] x86, AMD: Correct F15h IC aliasing issue

[Ingo Molnar]

* Borislav Petkov <bp@xxxxxxxxx> wrote:

> Ok, I went and installed a Debian wheezy with gnome and started 
> almost everything I could find in the startup menu. Kernel is 3.0 
> with Linus' simpler fix.
> 
> The attached file shows all libraries which would create aliases 
> (i.e. 2 or more unique values for bits [14:12] along with the 
> respective count) in the total of:
> 
> Total r-xp mappings: 831, aliasing: 240 (0.289%)

28.9%, right?

> For example, libc gets mapped into all possible slots for [14:12]
> 
> Library                                 [14:12] count
> =======                                 ======= =====
> /lib/libc-2.11.2.so
>                                         0       12
>                                         1       12
>                                         2       11
>                                         3       12
>                                         4       13
>                                         5       16
>                                         6       13
>                                         7       9
> 
> 
> and so on.

Was this done with a stock kernel, or with the simple patch applied?

Thanks,

	Ingo
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