From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B861654654; Tue, 26 Aug 2025 13:08:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756213727; cv=none; b=J1/t/uUAKsqKg920HuccGxDVv0a2ej5Ptu7vXBMMxeZ27lDER4/kK3KpbeyINRoFWgU70Rzcgbk6KSeHUcdFG4dp4ZfK/EyXfjRiFkumtYOEYye8q4gn3jZDoZ/612IvZF7ccT5ChCyUqryIHCNsnBF8NcbBFXgKvueNaHb/ugU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756213727; c=relaxed/simple; bh=JHZTLFlxAYI1wokhjuCEuruyUylGu43DM7IKjkNYSic=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hYrgTdBOMnong+3oTGZmzyETw1VzNyGOk2Cu3BzXxaM2tPyqtb7O7isEk0pZFKpfchJ3gDxkyTrgalgIoKjUnxF/oasQ5EUwHsxX7tkMPYaEY+J9xlQ5Ft052yH+4bmE2OpLAIt446RQrC4Tzd2kD2cOPKQ+iY6sVlvmE0lUk1o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=etY5PLFf; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="etY5PLFf" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=JHZTLFlxAYI1wokhjuCEuruyUylGu43DM7IKjkNYSic=; b=etY5PLFfHvVwRjOXszye/DGGB6 EeDfwhUfPBBHElGIuEt4CBRy1AldhAFBccZnj543K6AV4Xvqq6pcdNIfqcf1J9sqxP9GTv1Rld421 0AuJKLh2CRWDkm+Ul9/DFHMDYluLA3AIkv78pFeyA09fvuZwxu6ukwM8cR1N29k6qKImuFZmW3MMM qCVOi9ccAynQbDiNrFS78BcReEN5xdvzHPhO4NkOVApB1RYQ/p8auBap2lsOA66RFcIqiEM+p/Jrp EIJVtCqUjQE/N3Tepz7e+3E78hAlvb2elxzZDQC0yDBfD4BGP9yDnTXc67Vd2CW73P1jADDmWRbp0 QXd2jvjA==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqtPb-00000002DYZ-2cEd; Tue, 26 Aug 2025 13:08:31 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A98B6300323; Tue, 26 Aug 2025 15:08:30 +0200 (CEST) Date: Tue, 26 Aug 2025 15:08:30 +0200 From: Peter Zijlstra To: Robin Murphy Cc: mingo@redhat.com, will@kernel.org, mark.rutland@arm.com, acme@kernel.org, namhyung@kernel.org, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, dmaengine@vger.kernel.org, linux-fpga@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, coresight@lists.linaro.org, iommu@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-cxl@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH 17/19] perf: Retire PERF_PMU_CAP_NO_INTERRUPT Message-ID: <20250826130830.GZ4067720@noisy.programming.kicks-ass.net> References: <32bf39943eef7c7f516d814d749cdbe322eec204.1755096883.git.robin.murphy@arm.com> Precedence: bulk X-Mailing-List: sparclinux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32bf39943eef7c7f516d814d749cdbe322eec204.1755096883.git.robin.murphy@arm.com> On Wed, Aug 13, 2025 at 06:01:09PM +0100, Robin Murphy wrote: > Now that we have a well-defined cap for sampling support, clean up the > remains of the mildly unintuitive and inconsistently-applied > PERF_PMU_CAP_NO_INTERRUPT. Not to mention the obvious redundancy of > some of these drivers still checking for sampling in event_init too. Ah, clearly I should've read the next patch... n/m.