From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C831126A1AC; Sun, 19 Apr 2026 14:13:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776608013; cv=none; b=AiwM8LiN+uNkuvjCWzqS8cn06Ti4kpUsVNgIfHjR91rjsUoOvEIii75VapOGV/KBj2nFwS2M/B6upq4wjJ+9jF83qH31shLAYeEooVrxJYIo7wp/vhUYbSqCoDXzKL+mguVYl58AgtMoP4Fl7jdDTymDzOLEyH0s0WwjCPBwClY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776608013; c=relaxed/simple; bh=J/e8EdFsJdLULkm3fAcZKJUFyqjPokX/d8LV5xp1w58=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=sZIvAQXIv0oAlMTKKNJFIRs/2Jc07YYWhJiyQ2pKiudZ+uc6zg5tksgYjwSnC2iwJUcOx+ReO0P9xaTqyQrmOISm2VSn/S+WwO+sLP1zmUIBwNbMmeqEFwvMgpKYdEZqu/Tc4YieZINtOluOlax/amac2ob48JUlnzw0X3PzxTM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dcrbFSeT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dcrbFSeT" 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) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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.