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Message-ID: <20230724110509.GA76473@leoy-huanghe.lan>
Date: Mon, 24 Jul 2023 19:05:09 +0800
From: Leo Yan <leo.yan@...aro.org>
To: Anshuman Khandual <anshuman.khandual@....com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
John Garry <john.g.garry@...cle.com>,
James Clark <james.clark@....com>,
Mike Leach <mike.leach@...aro.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
D Scott Phillips <scott@...amperecomputing.com>,
Marc Zyngier <maz@...nel.org>,
German Gomez <german.gomez@....com>,
Ali Saidi <alisaidi@...zon.com>,
Jing Zhang <renyu.zj@...ux.alibaba.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org, fissure2010@...il.com
Subject: Re: [PATCH v1 3/3] perf arm-spe: Support data source for Cortex-X4
CPU
Hi Anshuman,
On Mon, Jul 24, 2023 at 12:27:31PM +0530, Anshuman Khandual wrote:
[...]
> > -static const struct midr_range neoverse_spe[] = {
> > +static const struct midr_range cpus_use_default_data_src[] = {
>
> Is not 'cpus_use_default_data_src' too long ? 'use' could be dropped ?
Okay, I can drop 'use'.
> > MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1),
> > MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
> > MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1),
> > + MIDR_ALL_VERSIONS(MIDR_CORTEX_X4),
> > {},
> > };
[...]
> > static u64 arm_spe__synth_data_source(const struct arm_spe_record *record, u64 midr)
> > {
> > union perf_mem_data_src data_src = { .mem_op = PERF_MEM_OP_NA };
> > - bool is_neoverse = is_midr_in_range_list(midr, neoverse_spe);
> > + bool is_default_dc =
>
> _dc stands for ?
Thanks for pointing out this; actually I mean '_ds' which stands for
data source. Will spin a new patch for this.
Thanks for review!
Leo
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