From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 56C90446849; Tue, 11 Aug 2026 14:26:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786458376; cv=none; b=s8u3vRTlR9invksqUppvEdo+LroJsVovZ5iAaBY76hQgWiH2WDA6Xx6TU88ITC9uDHv0etea7f8i0E/BsaOsi9YFuY5GEPnvKjoLFiX1UviWaZyiP5JO0GRbPpukJmuZGWPtvpawJNf+Rq78GBtddx4dbV6usH2hdOHwAgIx60E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786458376; c=relaxed/simple; bh=Xf8IW2PoKEaI9XjO0KPhFgu/IxFmoWD+LuuiaO9WROs=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=I9WuQw/enQ67fDPcGWioyRYNF9RA+vRqjJdqiLDZ8rNHxcRDb1fwpF7smy2aN4PvvZhq20nmFJZ6PzuQFXyCfv6R8msmGluDyHxShFlxMotmglIx8qXbF+6xqOJ7sNjm7v+xKqrBH0qAOZzBgxVkB8GfekoTXy2ciLo0jpwWBiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eDBCBzBo; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eDBCBzBo" 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) Precedence: bulk X-Mailing-List: linux-kernel@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: 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 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.