Message ID | 1555603631-8107-9-git-send-email-Dave.Martin@arm.com (mailing list archive) |
---|---|
State | Mainlined, archived |
Commit | 55ffad3b636a32dae03752078f4a0846bfd3a151 |
Headers | show
Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B748E13B5 for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 18 Apr 2019 16:09:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C01828C9B for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 18 Apr 2019 16:09:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9017428CAC; Thu, 18 Apr 2019 16:09:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3777C28B56 for <patchwork-linux-arm@patchwork.kernel.org>; Thu, 18 Apr 2019 16:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=sAOp39/35tXtl9U3m4TNo9EaJVST2LueVIYdnQE3o3I=; b=lFukQoc2qFTAzu4r14JtbrH5o7 QZPv5JRypE2y1/4NPwjqfWAGYgqXSFXvFdVub7DJY+75IMCQqy3Pk0PeTYBIzKSmw4uLukrigcbjb H0/t7KMwzeepVsETWziNgTjWD2liIC1EHsJ5JrhMmM/AI0ApxF7Y216yTePmV9JORAlgdgiS3Zbik wZNfkqv946aYbP9r1cx5LoQawizGC2hoG3vZVX9+tcsW+3Pv+QtL3+IyUH03qXXT/XC59otk5Kp9w 0n3P25zjgj1g/O02VriOj4y+RHelUU0CCbh++bxXhkzdGyT2kMGnYo41bbpDD6/44lTxxMasVaxCZ d5XUwutA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hH9bJ-0007nL-QA; Thu, 18 Apr 2019 16:09:25 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hH9aD-0006Qz-1i for linux-arm-kernel@lists.infradead.org; Thu, 18 Apr 2019 16:08:24 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A7CD115AB; Thu, 18 Apr 2019 09:08:16 -0700 (PDT) Received: from e103592.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 70AD73F5AF; Thu, 18 Apr 2019 09:08:14 -0700 (PDT) From: Dave Martin <Dave.Martin@arm.com> To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v2 08/14] KVM: arm64/sve: WARN when avoiding divide-by-zero in sve_reg_to_region() Date: Thu, 18 Apr 2019 17:07:05 +0100 Message-Id: <1555603631-8107-9-git-send-email-Dave.Martin@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1555603631-8107-1-git-send-email-Dave.Martin@arm.com> References: <1555603631-8107-1-git-send-email-Dave.Martin@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190418_090817_755599_5A1A339A X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Peter Maydell <peter.maydell@linaro.org>, Okamoto Takayuki <tokamoto@jp.fujitsu.com>, Christoffer Dall <cdall@kernel.org>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Marc Zyngier <marc.zyngier@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Andrew Jones <drjones@redhat.com>, Zhang Lei <zhang.lei@jp.fujitsu.com>, Julien Grall <julien.grall@arm.com>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
KVM: arm64: SVE cleanups
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diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index e45a042..73044e3 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -371,7 +371,7 @@ static int sve_reg_to_region(struct sve_state_reg_region *region, } sve_state_size = vcpu_sve_state_size(vcpu); - if (!sve_state_size) + if (WARN_ON(!sve_state_size)) return -EINVAL; region->koffset = array_index_nospec(reqoffset, sve_state_size);