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 A1B21CDB482 for ; Sat, 14 Oct 2023 03:33:30 +0000 (UTC) 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KURaRnQo41DYxqDvX9QGJfJcDmzhuUWxTV9LVaYZwKo=; b=cNVVqYLxUT01u+ M5jjINjfiDJlf48BSy0F2wr55a71K1/nqKDkR+SUPpU5afcvdHa7yQa2qk5cC+V6MpsviCLkPOJ1o VqCbIbPGogW1MXZxM2OfHo/H2/IakK+IyyaIWD7NqzftDEMij0ShG0bZyZZwTMfv/23hU4pTWY/DX 5bXY9FXXBd5a01q1WtJEg+jJSmDAwzuBHYPXlYBCbwX7Cfk3nDJPwHMh4Kgl1q61MfW/32IMJs9vj WMhQM/ETQFMdHcEGx0h1NJYC1PIxKTgcftnBplNgaNfpnSfm/FMXSd95ZwkWnsNDO7OaPsoIcoot3 rl4/l+H3eGVFjyTAGkhw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qrVOd-004iQH-2q; Sat, 14 Oct 2023 03:32:59 +0000 Received: from out-208.mta0.migadu.com ([91.218.175.208]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qrVOa-004iPY-2D for linux-arm-kernel@lists.infradead.org; Sat, 14 Oct 2023 03:32:58 +0000 Date: Sat, 14 Oct 2023 03:32:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1697254370; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=oLvsxWswXaahyZapR9wNq3U+gs4SHEITbqa7yyhDkjg=; b=nkKrkV80GsiNRpb4OJXVy3FEoYr7FRCEh56ngj/t0VOHWIlBUNyjf+KC+oh/GDazxnItRs aLy0Q3D1vzQUsBe6IINymydIqWsBHLKFCXIz1hsZMfwdrzp6+AgjixR2MkZ5XCmL/2AwJt BpzgY+zRDfVlxKdVnghut/3kEuyoljk= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH] KVM: arm64: Do not let a L1 hypervisor access the *32_EL2 sysregs Message-ID: References: <20231013223311.3950585-1-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231013223311.3950585-1-maz@kernel.org> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231013_203257_163727_A4AE549E X-CRM114-Status: UNSURE ( 8.07 ) X-CRM114-Notice: Please train this message. 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 Fri, Oct 13, 2023 at 11:33:11PM +0100, Marc Zyngier wrote: > DBGVCR32_EL2, DACR32_EL2, IFSR32_EL2 and FPEXC32_EL2 are required to > UNDEF when AArch32 isn't implemented, which is definitely the case when > running NV. > > Given that this is the only case where these registers can trap, > unconditionally inject an UNDEF exception. > > Signed-off-by: Marc Zyngier If you intend to send this as a fix for 6.6: Reviewed-by: Oliver Upton Otherwise it is on the stack of patches I'll pick up for 6.7 -- Thanks, Oliver _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel