linux-kernel - Re: [PATCH v2 2/4] perf tools: Fix SMT not detected

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Message-ID: <087b81b9-311c-0d75-1255-1122d0a05223@huawei.com>
Date:   Wed, 24 Nov 2021 16:37:34 +0000
From:   John Garry <john.garry@...wei.com>
To:     Ian Rogers <irogers@...gle.com>, Andi Kleen <ak@...ux.intel.com>,
        "Jiri Olsa" <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
        Kajol Jain <kjain@...ux.ibm.com>,
        "Paul A . Clarke" <pc@...ibm.com>,
        "Arnaldo Carvalho de Melo" <acme@...nel.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Konstantin Khlebnikov <koct9i@...il.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <eranian@...gle.com>
Subject: Re: [PATCH v2 2/4] perf tools: Fix SMT not detected

On 24/11/2021 00:12, Ian Rogers wrote:
> sysfs__read_int returns 0 on success, and so the fast read path was
> always failing.
> 
> Fixes: bb629484d924 (perf tools: Simplify checking if SMT is active.)
> Signed-off-by: Ian Rogers<irogers@...gle.com>
> ---

Reviewed-by: John Garry <john.garry@...wei.com>