Re: [RFC PATCH 0/3]perf/core: extend perf_reg and perf_sample_regs_intr

From: Peter Zijlstra
Date: Thu Nov 05 2015 - 08:07:51 EST

On Thu, Nov 05, 2015 at 02:16:15AM +0530, Madhavan Srinivasan wrote:
> Second patch updates struct arch_misc_reg for arch/powerpc with pmu registers
> and adds offsetof macro for the same. It extends perf_reg_value()
> to use reg idx to decide on struct to return value from.

Why; what's in those regs?
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