linux-kernel - Re: [PATCH v3 2/4] perf/bpf: Remove unneeded uses_default_overflow

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Message-ID: <20231212092221.GB28174@willie-the-truck>
Date:   Tue, 12 Dec 2023 09:22:21 +0000
From:   Will Deacon <will@...nel.org>
To:     Kyle Huey <me@...ehuey.com>
Cc:     Kyle Huey <khuey@...ehuey.com>, linux-kernel@...r.kernel.org,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Marco Elver <elver@...gle.com>,
        Yonghong Song <yonghong.song@...ux.dev>,
        Robert O'Callahan <robert@...llahan.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v3 2/4] perf/bpf: Remove unneeded
 uses_default_overflow_handler.

On Sun, Dec 10, 2023 at 08:55:41PM -0800, Kyle Huey wrote:
> Now that struct perf_event's orig_overflow_handler is gone, there's no need
> for the functions and macros to support looking past overflow_handler to
> orig_overflow_handler.
> 
> This patch is solely a refactoring and results in no behavior change.
> 
> Signed-off-by: Kyle Huey <khuey@...ehuey.com>
> ---
>  arch/arm/kernel/hw_breakpoint.c   |  8 ++++----
>  arch/arm64/kernel/hw_breakpoint.c |  4 ++--
>  include/linux/perf_event.h        | 16 ++--------------
>  3 files changed, 8 insertions(+), 20 deletions(-)

Acked-by: Will Deacon <will@...nel.org>

Will