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 E312AEA719B for ; Sun, 19 Apr 2026 14:13:45 +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:Content-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID: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=1C+hdmFbTLHVIJpYC5cVrIZwO2pEe3znbJxjI2jzlmU=; b=1KVvdoxT972n3uebAYdq26c2x2 GGEIC21fqHkor32TPFuQGMrQ3CPo7nQJ/txiUEOeH3PoV2cL2Q3cCD4t9RLAK05kc9aNzFsIOxMWm sZ5xY6hd4YEPEkLnLyDZ/zOqybOhcgSm1GmfEOX9LM2v0A+5jB8TSRnI2y3bUL8ER5OHNYiWhrtBO hEAGKO42QfG6k+R2PPfbrD7hLb5FQUnumXOroLssqckFUNWuxO3aT2v69ytcqhAwHWUilUAv+TzZm SfjiiY4Ww+yGd1LwByoN450aXYU/Gbt8814MP1C/PHEZUXQkyWROoN8jTSmAatyxDosQlIo2Zsi6O 3wOIch/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wESu1-00000005qJw-12QA; Sun, 19 Apr 2026 14:13:37 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wEStz-00000005qJb-1dlb for linux-arm-kernel@lists.infradead.org; Sun, 19 Apr 2026 14:13:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 8773D43EBF; Sun, 19 Apr 2026 14:13:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 60CA5C2BCAF; Sun, 19 Apr 2026 14:13:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776608013; bh=J/e8EdFsJdLULkm3fAcZKJUFyqjPokX/d8LV5xp1w58=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dcrbFSeToFcTNl+gLAFJPT+Ac/9pC7E3rANYHIaDFc+xDgsrX9v1JenvIozkGiMeI ZfHfWp4Sy585KEsbhCKuQXeT4Az5bkbEsiyNcuFNeIKTAjcwcu+IJICmjh3EaW9Lw3 gZ3oNsGxHsI3DkPPF+AHx/U5mQKMj4EfFSz46CkDvoZrOAQZll3zt4oNgh5jIvef/s R/o4gO8StrAg8QrM+5TRoBUITO5zRtf0d28xuUkyF7MkNsw2enDsx6dfh4neuNeFUf qzb8mxlCEMcHV3BXf6sENDQXii/BcMx0/bwlBgxTWBYQO3EHtA7U4YlBSeYBynhiCe XHU1sNGU4ZLQQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=lobster-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wEStu-0000000Cq78-36gR; Sun, 19 Apr 2026 14:13:30 +0000 Date: Sun, 19 Apr 2026 15:13:30 +0100 Message-ID: <87o6jfavhx.wl-maz@kernel.org> From: Marc Zyngier To: Akihiko Odaki Cc: Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Kees Cook , "Gustavo A. R. Silva" , Paolo Bonzini , Jonathan Corbet , Shuah Khan , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, devel@daynix.com, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v7 1/4] KVM: arm64: PMU: Add kvm_pmu_enabled_counter_mask() In-Reply-To: <20260418-hybrid-v7-1-2bf39ad009bf@rsg.ci.i.u-tokyo.ac.jp> References: <20260418-hybrid-v7-0-2bf39ad009bf@rsg.ci.i.u-tokyo.ac.jp> <20260418-hybrid-v7-1-2bf39ad009bf@rsg.ci.i.u-tokyo.ac.jp> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: odaki@rsg.ci.i.u-tokyo.ac.jp, oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, kees@kernel.org, gustavoars@kernel.org, pbonzini@redhat.com, corbet@lwn.net, shuah@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, devel@daynix.com, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260419_071335_452943_5EA69DC8 X-CRM114-Status: GOOD ( 10.51 ) 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 Sat, 18 Apr 2026 09:14:23 +0100, Akihiko Odaki wrote: > > This function will be useful to enumerate enabled counters. Consider expanding this commit message a bit. Something along the lines of: "Add kvm_pmu_enabled_counter_mask() as an accessor returning a 64bit mask of the counters enabled on a given vcpu. This will eventually be useful to iterate over the counters." Thanks, M. -- Jazz isn't dead. It just smells funny.