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Date: Mon, 9 May 2022 14:05:17 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Ravi Bangoria <ravi.bangoria@....com> Cc: acme@...nel.org, rrichter@....com, mingo@...hat.com, mark.rutland@....com, jolsa@...nel.org, namhyung@...nel.org, tglx@...utronix.de, bp@...en8.de, irogers@...gle.com, yao.jin@...ux.intel.com, james.clark@....com, leo.yan@...aro.org, kan.liang@...ux.intel.com, ak@...ux.intel.com, eranian@...gle.com, like.xu.linux@...il.com, x86@...nel.org, linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, sandipan.das@....com, ananth.narayan@....com, kim.phillips@....com, santosh.shukla@....com Subject: Re: [PATCH v2 3/8] perf/amd/ibs: Add support for L3 miss filtering On Mon, May 09, 2022 at 10:19:09AM +0530, Ravi Bangoria wrote: > diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h > index b06e4c573add..a24b637a6e1d 100644 > --- a/arch/x86/include/asm/perf_event.h > +++ b/arch/x86/include/asm/perf_event.h > @@ -391,6 +391,7 @@ struct pebs_xmm { > #define IBS_CAPS_OPBRNFUSE (1U<<8) > #define IBS_CAPS_FETCHCTLEXTD (1U<<9) > #define IBS_CAPS_OPDATA4 (1U<<10) > +#define IBS_CAPS_ZEN4IBSEXTENSIONS (1U<<11) > > #define IBS_CAPS_DEFAULT (IBS_CAPS_AVAIL \ > | IBS_CAPS_FETCHSAM \ Would you mind terribly if I do: 's/IBS_CAPS_ZEN4IBSEXTENSIONS/IBS_CAPS_ZEN4/' on it? Per the IBS_ suffix, we're already talking about IBS, per the CAPS thing we're talking about capabilities and I'm thinking that makes EXTENTION somewhat redundant, which then leaves: IBS_CAPS_ZEN4
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