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 3663F3C5DC3; Mon, 23 Mar 2026 17:59:54 +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=1774288795; cv=none; b=Ma0ygeVWO+/dhqzakuzSUIh4lAJiLtWwPNsaXgJFDugB8dMjzLhXFZDNbsU6lpUgvxh2fwl48s4LLeMC0brfneT53hnZNuN4J0Wg9nWvf1mja9o5+rsG4UM2effDj7je4r+BFIsjwmpydZva5bExhZ3Hrq1ifjCSvVzzyprA7nw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774288795; c=relaxed/simple; bh=YnndYmOsTJYuaefXqMMPgp9remyrnRTooQo11YypwnU=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=Q3esDVqirnqlDQ4GnXj7mAqio1t7EEwyrJKf4jfpxYBHFPZFN8UuPSRMwMsbIpPL5wBrDJ3yKiBI3jTC9SW29r/P4BNbO+jZPSyoZRmGjrLZUuxDe+Vh3hQbjFJwxaDo1Rf5d1/XY3Szuzbg1/4wnALJYnMxBU8bSrGuQ2Mqa9s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uf+Il0a+; 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="uf+Il0a+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDD80C4CEF7; Mon, 23 Mar 2026 17:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774288794; bh=YnndYmOsTJYuaefXqMMPgp9remyrnRTooQo11YypwnU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uf+Il0a+b+yfeAv6GVIjLKNF2sqkfB3XMrJPwX+1MjAV3jfvD6ZyjwsmJNbSmHtKr VnZHgNJGvibOeXfSREwE/5eQ5tOjI2wELE3+WlzrzMiVDDnfUhsy+gXQWEkYKgmfs6 OehK4/8dUJ+aP3IgPKYd1FohFmOyd4qY+GmKRbCBOmbtlRSZ4c853tqe6DwimgI2sM whEd4GPd1clYqFmPnapaTvBcnBwgWhG3GkxqOcKVnffvw7Xhoj1m/RFUrwFIQu60n7 oE53BTulz9OeAw9mXpM58XckxINFXruJpE9rVhpcV0TnE9m40JBMrWI4Kp8uaORzQG EDkDaB5YM92nQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-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 1w4jZA-00000004qLE-1KS5; Mon, 23 Mar 2026 17:59:52 +0000 Date: Mon, 23 Mar 2026 17:59:51 +0000 Message-ID: <86wlz24eaw.wl-maz@kernel.org> From: Marc Zyngier To: Mark Brown Cc: Sascha Bischoff , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "kvm@vger.kernel.org" , nd , "oliver.upton@linux.dev" , Joey Gouly , Suzuki Poulose , "yuzenghui@huawei.com" , "peter.maydell@linaro.org" , "lpieralisi@kernel.org" , Timothy Hayes , "jonathan.cameron@huawei.com" Subject: Re: [PATCH v7 12/41] KVM: arm64: gic-v5: Sanitize ID_AA64PFR2_EL1.GCIE In-Reply-To: References: <20260319154937.3619520-1-sascha.bischoff@arm.com> <20260319154937.3619520-13-sascha.bischoff@arm.com> <3be4971e-31a4-4033-9583-88d7fc96104f@sirena.org.uk> <86y0ji4pu5.wl-maz@kernel.org> 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: broonie@kernel.org, Sascha.Bischoff@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, nd@arm.com, oliver.upton@linux.dev, Joey.Gouly@arm.com, Suzuki.Poulose@arm.com, yuzenghui@huawei.com, peter.maydell@linaro.org, lpieralisi@kernel.org, Timothy.Hayes@arm.com, jonathan.cameron@huawei.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Mon, 23 Mar 2026 14:08:48 +0000, Mark Brown wrote: > > On Mon, Mar 23, 2026 at 01:50:42PM +0000, Marc Zyngier wrote: > > Mark Brown wrote: > > > > I'm seeing a regression in -next in set_id_regs on a range of platforms, > > > including physical ones like the Toradex Verdin AM62 and i.MX8MP-EVK, > > > with a GICv3: > > > What CPUs do these machines have? > > The physical boards are all running shiny new A53s. This should do the trick: https://lore.kernel.org/r/20260323174642.3183075-1-maz@kernel.org (lore seems slow to index stuff atm, but hopefully this will make it) M. -- Without deviation from the norm, progress is not possible.