linux-kernel - Re: [PATCH] perf/x86: Add cond_resched() when allocate/release DS buffers

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Message-ID: <20251028201354.d25lZRRa@linutronix.de>
Date: Tue, 28 Oct 2025 21:13:54 +0100
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Namhyung Kim <namhyung@...nel.org>, Ingo Molnar <mingo@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] perf/x86: Add cond_resched() when allocate/release DS
 buffers

On 2025-10-28 20:04:22 [+0100], Peter Zijlstra wrote:
> Well, we've been trying to get people to test things... But
> realistically people will only test once you force them. So we'll see.

| grep CONFIG_PREEMPT_LAZY /boot/config-6.16.12+deb14+1-amd64
| CONFIG_PREEMPT_LAZY=y

Debian has it enabled by default in current testing/ unstable distro.
\o/

Sebastian