Date: Thu, 5 Nov 2015 14:07:16 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, x86@kernel.org,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>,
        Jiri Olsa <jolsa@kernel.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Stephane Eranian <eranian@gmail.com>,
        Russell King <linux@arm.linux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH  0/3]perf/core: extend perf_reg and
 perf_sample_regs_intr
Message-ID: <20151105130716.GC3604@twins.programming.kicks-ass.net>
References: <1446669978-6366-1-git-send-email-maddy@linux.vnet.ibm.com>
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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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