linux-kernel - Re: [PATCH v2 13/13] perf/hw_breakpoint: Optimize toggle_bp

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Message-ID: <CANpmjNPapZ9p3dSB1RC-cBoJ588XkRxJRzbhxx4THLZ9aWsx=A@mail.gmail.com>
Date:   Tue, 28 Jun 2022 12:54:32 +0200
From:   Marco Elver <elver@...gle.com>
To:     elver@...gle.com, Peter Zijlstra <peterz@...radead.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Ingo Molnar <mingo@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-perf-users@...r.kernel.org,
        x86@...nel.org, linux-sh@...r.kernel.org,
        kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 13/13] perf/hw_breakpoint: Optimize toggle_bp_slot()
 for CPU-independent task targets

On Tue, 28 Jun 2022 at 11:59, Marco Elver <elver@...gle.com> wrote:
[...]
> +       /*
> +        * Update the pinned task slots, in per-CPU bp_cpuinfo and in the global
> +        * histogram. We need to take care of 5 cases:

This is a typo: "5 cases" -> "4 cases".