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 79598C5B572 for ; Tue, 11 Aug 2026 14:26:36 +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=j382q/eDo7NZRlCB8G+HYMC1atDyj9D1eZrb0YzdQcY=; b=wtIc3Q3Khb6npk6RiR8mFw/GDE tNw9Udvtai+kLHzZm1Rb1KKHu9UKjmWsNnMUAzlC5kfWlB9Bl2vkZyfPKYaedrx7uLMco4QPZNDGD 57CO4+jfl+YW/kYGSmW1rH7b+g+m1dIw2pJ3cRiHoWIrW7TO0wdT3HY8EuUxMoN7F9sN3BEyQjE/r 0wvGHB11+JlZ+oZOQzzNpW59CgeQ53wEdN6gGxPhXEjgLO6KYl2fiJqCSvZHZWV3aSUVHwpqcE71F EOM7sQ1AEq51IB5s5K3yafkrkAE74vTTSEInDhWhNwJrSRwLEBviCzSpo49zCgoSwRWc9hV3XLcwi cVxpAT8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtnQu-0000000EDMs-3o1P; Tue, 11 Aug 2026 14:26:24 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtnQl-0000000EDLH-3upE for linux-arm-kernel@lists.infradead.org; Tue, 11 Aug 2026 14:26:17 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 3B614600C8; Tue, 11 Aug 2026 14:26:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E46DF1F000E9; Tue, 11 Aug 2026 14:26:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786458374; bh=j382q/eDo7NZRlCB8G+HYMC1atDyj9D1eZrb0YzdQcY=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=eDBCBzBol/0gRW/p1dCFr07C+760Y0ZDMLtAhhjrUo7YyElei4LLBK+rnG8lqkFr/ aQOAtc/Wuva0VDxFn4yGzU7DhyGXHm6uWR6I77cmgMknJcV0kMP9o1MrctrKUsK9OC x3ILGX8vTSbCzs1m/bn/CZ7MS47bvHYLaHBn24kqZ6oyyVU6b8TRsFzxrzeyRLUrQt fNgS1xLTLwk+6naZ9PQ5c5xRzoCNuDLec0jKoV6PK51NaiCJOPVkUIodOCsRPqqsLf LEm9FJv7tIoUGvzA5tMLAd+bEWI0t9zSi+E1u4t8HOxf2IVirHjJgHiSGgDptxXp4P qa8qu4Ocblg3w== 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 1wtnQi-0000000EXak-330f; Tue, 11 Aug 2026 14:26:12 +0000 Date: Tue, 11 Aug 2026 15:26:12 +0100 Message-ID: <86o6f820or.wl-maz@kernel.org> From: Marc Zyngier To: "Peng Fan (OSS)" Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Oliver Upton , Fuad Tabba , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Mark Rutland , "Ivan T. Ivanov" , Francesco Dolcini , Frank Li , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, imx@lists.linux.dev, Peng Fan , Steffen Eiden Subject: Re: [PATCH v3] arm64: errata: Add NXP iMX8QM workaround for A53 cache coherency issue In-Reply-To: <20260803-imx8qm-cache-coherency-v3-1-c518d0da3d3b@nxp.com> References: <20260803-imx8qm-cache-coherency-v3-1-c518d0da3d3b@nxp.com> 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: peng.fan@oss.nxp.com, catalin.marinas@arm.com, will@kernel.org, corbet@lwn.net, oupton@kernel.org, fuad.tabba@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, mark.rutland@arm.com, iivanov@suse.de, francesco@dolcini.it, frank.li@nxp.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, imx@lists.linux.dev, peng.fan@nxp.com, seiden@linux.ibm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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, 03 Aug 2026 09:54:44 +0100, "Peng Fan (OSS)" wrote: > [...] > diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c > index 9a6c72a18672..1b9213d3e168 100644 > --- a/arch/arm64/kvm/arm.c > +++ b/arch/arm64/kvm/arm.c > @@ -3176,4 +3176,9 @@ enum kvm_mode kvm_get_mode(void) > return kvm_mode; > } > > +void kvm_disable_mode(void) > +{ > + kvm_mode = KVM_MODE_NONE; > +} > + If you are respinning this for any odd reason, please rename it to kvm_force_disabled(), and place it next to early_kvm_mode_cfg(). Thanks, M. -- Without deviation from the norm, progress is not possible.