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Fri, 3 Jan 2020 00:32:35 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 54189B205F; Fri, 3 Jan 2020 00:32:35 +0000 (GMT) Received: from suka-w540.localdomain (unknown [9.70.94.45]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 3 Jan 2020 00:32:35 +0000 (GMT) Received: by suka-w540.localdomain (Postfix, from userid 1000) id AFA5F2E0ED7; Thu, 2 Jan 2020 16:32:33 -0800 (PST) Date: Thu, 2 Jan 2020 16:32:33 -0800 From: Sukadev Bhattiprolu To: Ram Pai Cc: Michael Ellerman , Paul Mackerras , Bharata B Rao , kvm-ppc@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH V3 2/2] KVM: PPC: Implement H_SVM_INIT_ABORT hcall Message-ID: <20200103003233.GA16216@us.ibm.com> References: <20191215021104.GA27378@us.ibm.com> <20191215021208.GB27378@us.ibm.com> <20200103001814.GD5556@oc0525413822.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200103001814.GD5556@oc0525413822.ibm.com> X-Operating-System: Linux 2.0.32 on an i486 User-Agent: Mutt/1.10.1 (2018-07-13) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2020-01-02_08:2020-01-02,2020-01-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 mlxscore=0 bulkscore=0 malwarescore=0 mlxlogscore=606 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001030003 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Ram Pai [linuxram@us.ibm.com] wrote: > > +unsigned long kvmppc_h_svm_init_abort(struct kvm *kvm) > > +{ > > + int i; > > + > > + if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START)) > > + return H_UNSUPPORTED; > > It should also return H_UNSUPPORTED when > (kvm->arch.secure_guest & KVMPPC_SECURE_INIT_DONE) is true. If KVMPPC_SECURE_INIT_DONE is set, KVMPPC_SECURE_INIT_START is also set - we never clear KVMPPC_SECURE_INIT_START right? Sukadev