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 X-Spam-Level: X-Spam-Status: No, score=-7.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1DD1C4708A for ; Thu, 27 May 2021 09:41:04 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ADD1461248 for ; Thu, 27 May 2021 09:41:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADD1461248 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YNQ1GMfLNV6yGTyeg4X4/fe1nEgaUcyuceQVjbdyZPo=; b=NDafUO0C0ulTSe 0vClayISZm3+4hpP0BlZkAca6sbtIeTfHSaf3plP4d33bCKhO/3EAo/BNCg4O+Mj8nIaxUNiZV5Hw o9dJtXtLkvi+F2c8JVw87qApNPBVRj3xNfosoU7AxkimDxkxl0jfp/tp8+CFXxdclWnj7PgmTIRjl VuDfwRNU6bEiC3GnutG4XLfPPzrq3rxkYZgPa28+1iyQm+OE0sn1Qj3crPaLwzDbTtqqYp2c2bZjR pV4iFgjjWgTK8BPyRqNGZ9mKLxPw1QR1R7jvPMoAbtHMNwpTX29xExuoWL2+RF0ISddvmEHFzMUls EnfSQj75DkHqCCni/IPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmCTa-004QRg-Mq; Thu, 27 May 2021 09:38:51 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmCTV-004QQD-G8 for linux-arm-kernel@lists.infradead.org; Thu, 27 May 2021 09:38:46 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2E4BD613E6; Thu, 27 May 2021 09:38:45 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1lmCTT-003uZK-7Z; Thu, 27 May 2021 10:38:43 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, Marc Zyngier Cc: kernel-team@android.com, stable@vger.kernel.org, Steven Price Subject: Re: [PATCH v2] KVM: arm64: Prevent mixed-width VM creation Date: Thu, 27 May 2021 10:38:37 +0100 Message-Id: <162210830475.2571522.12133742975467988953.b4-ty@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210524170752.1549797-1-maz@kernel.org> References: <20210524170752.1549797-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, maz@kernel.org, kernel-team@android.com, stable@vger.kernel.org, steven.price@arm.com 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-20210527_023845_588512_7B0F9D07 X-CRM114-Status: GOOD ( 11.31 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 24 May 2021 18:07:52 +0100, Marc Zyngier wrote: > It looks like we have tolerated creating mixed-width VMs since... > forever. However, that was never the intention, and we'd rather > not have to support that pointless complexity. > > Forbid such a setup by making sure all the vcpus have the same > register width. Applied to fixes, thanks! [1/1] KVM: arm64: Prevent mixed-width VM creation commit: 66e94d5cafd4decd4f92d16a022ea587d7f4094f Cheers, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel