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 DB59FC3DA41 for ; Wed, 10 Jul 2024 12:37:01 +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=fxB4pBxGiKJ1IXV9yNWs4FKOZqpv5WMafgn8CwUy24E=; b=3kSJvIOK69MSn0s9x8rlkyvdSZ mwx0bLfR/KsBvFNag9X4dFuo5Zkx1ZnRYGrsBZoJiIgdhM4lHtJp7je08JFpjMVNECMUMOM8izjXs U27YrLbuheRnWJQN0h044XctY1h+EdYA6+JHmvufKSXEpWPyQlErAdApMHkPV2CLspvRJgv0gV1KT 0QnJeTSuFNU5jBDnCuks6wQOtfk2meO+xOY7IFfdJDp4gRzCxI7sawi9xW3rgqwwqduYP75kNYmEY plmBw8s1Jxo2NWtAJYm7JZVbEflKTJeAjPcrYE8aJ8OeMCvg+Mh63xmU4/ecLpcKgQoMrJ2kQ+pN0 iZr7MH+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sRWYy-0000000AVY6-1iYg; Wed, 10 Jul 2024 12:36:48 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sRWYg-0000000AVUR-3sNq for linux-arm-kernel@lists.infradead.org; Wed, 10 Jul 2024 12:36:32 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 756EE6190D; Wed, 10 Jul 2024 12:36:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46AFEC32781; Wed, 10 Jul 2024 12:36:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720614988; bh=Y4Al+y2W175lU4nuPuJc7qg78aq+qmDqDJ0XFPiR0qg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PXFxNTczHjo8Pn6CMsxF5GxaFs9FIwMXtAf9rKkX5vEHvZMdgBDUy5SpN1ZW/kgil ZCZkCPmDFjBmxoJbx35WGsbyBW2zAFTy31a5aVBxKdA69vvx1FbDgTdgoapZXIgmS6 bIDWvflWRo0Boa/8X/b/VqvEw7K0nnLCsjDe1EnMQ4JPF5GcdlhlKpscNgrwXsGxdn 0fBI6Qe7mh++WOIB/T7uGFKiaS9/bNGcw9vnCTpaXQZIeQ2uGSOBFlH6/gI5CrMBN+ uIeU5MV1K69500Mia8cyCigJNxEKOZFc6tpprU4tz45iFABhgEv0jU6/xxlIQVnYGO VS3IdlNlBb8mQ== Date: Wed, 10 Jul 2024 13:36:20 +0100 From: Will Deacon To: Russell King , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , James Clark , "Rob Herring (Arm)" Cc: kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v2 00/12] arm64: Add support for Armv9.4 PMU fixed instruction counter Message-ID: <20240710123620.GA14423@willie-the-truck> References: <20240626-arm-pmu-3-9-icntr-v2-0-c9784b4f4065@kernel.org> <172001203729.3396033.17013529444643308853.b4-ty@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <172001203729.3396033.17013529444643308853.b4-ty@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240710_053631_087873_26F09AD5 X-CRM114-Status: GOOD ( 17.74 ) 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, Jul 03, 2024 at 03:38:44PM +0100, Will Deacon wrote: > On Wed, 26 Jun 2024 16:32:24 -0600, Rob Herring (Arm) wrote: > > This series adds support for the optional fixed instruction counter > > added in Armv9.4 PMU. Most of the series is a refactoring to remove the > > index to counter number conversion which dates back to the Armv7 PMU > > driver. Removing it is necessary in order to support more than 32 > > counters without a bunch of conditional code further complicating the > > conversion. > > > > [...] > > Applied to will (for-next/perf), thanks! > > [01/12] perf: arm_pmuv3: Avoid assigning fixed cycle counter with threshold > https://git.kernel.org/will/c/81e15ca3e523 > [02/12] perf: arm_pmuv3: Drop unnecessary IS_ENABLED(CONFIG_ARM64) check > https://git.kernel.org/will/c/598c1a2d9f4b > [03/12] perf/arm: Move 32-bit PMU drivers to drivers/perf/ > https://git.kernel.org/will/c/8d75537bebfa > [04/12] perf: arm_v6/7_pmu: Drop non-DT probe support > https://git.kernel.org/will/c/12f051c987dc > [05/12] perf: arm_pmuv3: Include asm/arm_pmuv3.h from linux/perf/arm_pmuv3.h > https://git.kernel.org/will/c/d688ffa26942 I've had an off-list report that this series causes a kernel crash under KVM unit tests (panic in write_pmevtypern()). Given that I don't have enough information to repro/debug and Catalin is tagging the arm64 branch for 6.11 today, I've dropped patches 6-12 for now. Please can you send a fixed version after the merge window? Cheers, Will