RE: [patch 1/5] x86, bts: detect size of DS fields

[Metzger, Markus T]

>-----Original Message-----
>From: Ingo Molnar [mailto:mingo@xxxxxxx]
>Sent: Friday, March 13, 2009 12:04 PM
>To: Metzger, Markus T


>Applied your patches to tip:tracing/hw-branch-tracer, thanks
>Markus!
>
>I did a small cleanup patch - see it in this thread.
>
>One detail i noticed:
>
>static DEFINE_PER_CPU(struct ds_configuration, ds_cfg_array);
>
>That PER_CPU indirection should be removed - it's enough to have
>system-wide configuration settings. We dont generally support
>assymetric CPU capabilities in the same system, and the per_cpu
>indirection here slows the code down and obfuscates it.

I will change it to a single configuration for all cpus.


Apologies for the build fail caused by the incomplete renaming
in another patch of that series.
I had the Core i7 support patch on top of my series when I built
the kernel for testing. That patch changes the WARN to check for
the number of pebs counter reset values.

regards,
markus.

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