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

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Date: Tue, 2 Jan 2024 14:56:28 -0800
From: Song Liu <song@...nel.org>
To: Will Deacon <will@...nel.org>
Cc: Kyle Huey <me@...ehuey.com>, 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 Tue, Dec 12, 2023 at 1:22 AM Will Deacon <will@...nel.org> wrote:
>
> 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>

Acked-by: Song Liu <song@...nel.org>