From: Leo Yan <leo.yan@arm.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Adrian Hunter <adrian.hunter@intel.com>,
James Clark <james.clark@linaro.org>,
Mike Leach <mike.leach@arm.com>, Tamas Petz <tamas.petz@arm.com>,
Tamas Zsoldos <tamas.zsoldos@arm.com>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org
Subject: Re: [PATCH 1/3] perf/core: Export perf_event_itrace_started()
Date: Mon, 28 Sep 2026 09:34:10 +0100 [thread overview]
Message-ID: <20260928083410.GB14479@e132581.arm.com> (raw)
In-Reply-To: <20260901-perf_suppress_itrace_start_records-v1-1-c4fbc6860859@arm.com>
On Tue, Sep 01, 2026 at 05:36:15PM +0100, Leo Yan wrote:
> Since Arm SPE and CoreSight drivers can be built as modules, export
> perf_event_itrace_started() so that it can be used by these modules.
>
> Signed-off-by: Leo Yan <leo.yan@arm.com>
Gentle ping!
> ---
> kernel/events/core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index a6c8e38a311042afab6b65814a84c67b87ba929b..8afe89179a62127eebae0f38f29cde045ba56251 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -10560,6 +10560,7 @@ void perf_event_itrace_started(struct perf_event *event)
> {
> WRITE_ONCE(event->attach_state, event->attach_state | PERF_ATTACH_ITRACE);
> }
> +EXPORT_SYMBOL_GPL(perf_event_itrace_started);
>
> static void perf_log_itrace_start(struct perf_event *event)
> {
>
> --
> 2.34.1
>
next prev parent reply other threads:[~2026-09-28 8:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 16:36 [PATCH 0/3] perf: Suppress redundant ITRACE start records for Arm SPE and CoreSight Leo Yan
2026-09-01 16:36 ` [PATCH 1/3] perf/core: Export perf_event_itrace_started() Leo Yan
2026-09-28 8:34 ` Leo Yan [this message]
2026-09-28 11:35 ` Peter Zijlstra
2026-09-01 16:36 ` [PATCH 2/3] perf: arm_spe: Suppress redundant ITRACE start records Leo Yan
2026-09-01 16:36 ` [PATCH 3/3] coresight: perf: Suppress " Leo Yan
2026-09-28 9:41 ` [PATCH 0/3] perf: Suppress redundant ITRACE start records for Arm SPE and CoreSight James Clark
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