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 9DABBC021B8 for ; Tue, 4 Mar 2025 12:09:58 +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-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hMY+4H/z2q19QD4opz1CCCp9/ZHn34YioBRdWGIzFGI=; b=TXbmvwE+TpiHcGchhJqoh+9niG ZPUJ0/RCikV/JBnRZ7J8CcCTcY4xqU5XLi73fxao0HlpSRYsQhzV4wC5HjxHqrgsSgS5VfNRjpgoW yu95QhLKKNVULzSspQ51h4qwxQJqtuaWiuuzaFtoJA7BlwAytkB8eRE7D/N5TpddDrY+6kTJkKR9M yIcnK/8vQ650fOIyfeoLsx5oVv3XsvDN2RxPq5dla4+0J3XDlvXqCZqOP7Hd2HhyVCRVLKPlEhqxC XNR7ZPZde4vUK282rh9oN8mRLi++Z3ewyy0AUOkCkop7MHaqdpGXeJEVXuMbg+UqITvWvcw5enxFn tA1FoczA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tpR5n-00000004YGJ-3zEJ; Tue, 04 Mar 2025 12:09:47 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpQOf-00000004OQB-3RMS for linux-arm-kernel@lists.infradead.org; Tue, 04 Mar 2025 11:25:15 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id BF6BC5C4A8D; Tue, 4 Mar 2025 11:22:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30551C4CEE5; Tue, 4 Mar 2025 11:25:08 +0000 (UTC) Date: Tue, 4 Mar 2025 11:25:06 +0000 From: Catalin Marinas To: Rob Herring Cc: Will Deacon , Mark Rutland , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , James Clark , Anshuman Khandual , Leo Yan , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, Mark Brown Subject: Re: [PATCH v20 00/11] arm64/perf: Enable branch stack sampling Message-ID: References: <20250218-arm-brbe-v19-v20-0-4e9922fc2e8e@kernel.org> <174080569248.3208873.17639032755999041028.b4-ty@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250304_032513_907404_816BFA28 X-CRM114-Status: GOOD ( 17.98 ) 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 Mon, Mar 03, 2025 at 10:44:21AM -0600, Rob Herring wrote: > On Sat, Mar 1, 2025 at 1:05 AM Will Deacon wrote: > > On Tue, 18 Feb 2025 14:39:55 -0600, Rob Herring (Arm) wrote: > > > This series enables perf branch stack sampling support on arm64 via a > > > v9.2 arch feature called Branch Record Buffer Extension (BRBE). Details > > > on BRBE can be found in the Arm ARM[1] chapter D18. > > > > > > I've picked up this series from Anshuman. v19 and v20 versions have been > > > reworked quite a bit by Mark and myself. The bulk of those changes are > > > in patch 11. > > > > > > [...] > > > > Applied cleanups to will (for-next/perf), thanks! > > > > [01/11] perf: arm_pmuv3: Call kvm_vcpu_pmu_resync_el0() before enabling counters > > https://git.kernel.org/will/c/04bd15c4cbc3 > > [02/11] perf: arm_pmu: Don't disable counter in armpmu_add() > > https://git.kernel.org/will/c/dcca27bc1ecc > > [03/11] perf: arm_pmuv3: Don't disable counter in armv8pmu_enable_event() > > https://git.kernel.org/will/c/4b0567ad0be5 > > [04/11] perf: arm_v7_pmu: Drop obvious comments for enabling/disabling counters and interrupts > > https://git.kernel.org/will/c/7a5387748215 > > [05/11] perf: arm_v7_pmu: Don't disable counter in (armv7|krait_|scorpion_)pmu_enable_event() > > https://git.kernel.org/will/c/7bf1001e0d91 > > [06/11] perf: apple_m1: Don't disable counter in m1_pmu_enable_event() > > https://git.kernel.org/will/c/c2e793da59fc > > [07/11] perf: arm_pmu: Move PMUv3-specific data > > https://git.kernel.org/will/c/dc4d58a752ea > > I don't know if you looked at the thread on patch 11 and said "long > discussion, I'll assume a new version is coming. Next!" because that's > what I would do. In this case though, there's not any changes. I do this as well ;). But I think Will is waiting for Mark R to look at the rest of the series. -- Catalin