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SubjectRe: [PATCH v12 01/11] perf/x86: Fix variable types for LBR registers
On Sat, Jun 13, 2020 at 04:09:46PM +0800, Like Xu wrote:
> From: Wei Wang <>
> The MSR variable type can be 'unsigned int', which uses less memory than
> the longer 'unsigned long'. Fix 'struct x86_pmu' for that. The lbr_nr won't
> be a negative number, so make it 'unsigned int' as well.


What's the status of this patchkit? It would be quite useful to me (and
various other people) to use LBRs in guest. I reviewed it earlier and the
patches all looked good to me. But i don't see it in any -next tree.

Reviewed-by: Andi Kleen <>

Could it please be merged?



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