linux-kernel - Re: [PATCH v2 1/2] perf: arm_spe: Correct setting the PERF_HES

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Message-ID: <20251124185414.GD724103@e132581.arm.com>
Date: Mon, 24 Nov 2025 18:54:14 +0000
From: Leo Yan <leo.yan@....com>
To: Will Deacon <will@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>,
	Alexandru Elisei <alexandru.elisei@....com>,
	James Clark <james.clark@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] perf: arm_spe: Correct setting the
 PERF_HES_STOPPED flag

On Mon, Nov 24, 2025 at 06:48:15PM +0000, Leo Yan wrote:

[...]


> > If __arm_spe_pmu_next_off() fails, it will call perf_aux_output_end()
> > with the TRUNCATED flag set, which should then disable the event
> > via arm_spe_pmu_del() and update the state there.
> > 
> > Is that not happening?
> 
> Correct.  However, this patch is not for the flow you mentioned.

"Correct" might not be clear enough - I meant that the flow you
mentioned does happen.