From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C6DCCA0EFA for ; Tue, 26 Aug 2025 13:31:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JHZTLFlxAYI1wokhjuCEuruyUylGu43DM7IKjkNYSic=; b=hre3cSVPJ/3DzSwS+q6WDsF8Gp lyK9HLgVQjhkBN8inkLrUHH7jxsAP5iY3FRBTSpSNou9MLDsaHDvfADbQ4wFCoT/AIUphLBpCNypN o/UPX68dQadPwhMSGSrs6kbjxLloW1VB+mcDouumM8IJRHubUnegjSDBojxLS7LIx5KZcH2IFmi8M KAob/gIB4Je+hiNvr4n670vLVVmvWXye0LNELIPT4OAL/yw+rYB8KzzN/f4CKXOR6qND/uslhmgHj Hae9/dfIdPe8iMu4xambwo2Ak2pfp1E8PTja6LfkTqOZ/6/WdQW5KVGAalrGZlOTbBbdQf0xp+rIR dxzctUdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqtlZ-0000000C6hp-1WSK; Tue, 26 Aug 2025 13:31:13 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqtPf-0000000C2ix-0VFl; Tue, 26 Aug 2025 13:08:35 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32bf39943eef7c7f516d814d749cdbe322eec204.1755096883.git.robin.murphy@arm.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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.