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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 9 Jul 2019 11:05:06 +0100 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x69A54O233292518 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 9 Jul 2019 10:05:05 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C955642049; Tue, 9 Jul 2019 10:05:04 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 10D964203F; Tue, 9 Jul 2019 10:05:03 +0000 (GMT) Received: from in.ibm.com (unknown [9.85.81.51]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 9 Jul 2019 10:05:02 +0000 (GMT) Date: Tue, 9 Jul 2019 15:34:57 +0530 From: Bharata B Rao To: Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org, linux-mm@kvack.org, paulus@au1.ibm.com, aneesh.kumar@linux.vnet.ibm.com, jglisse@redhat.com, linuxram@us.ibm.com, sukadev@linux.vnet.ibm.com, cclaudio@linux.ibm.com Subject: Re: [PATCH v4 3/6] kvmppc: H_SVM_INIT_START and H_SVM_INIT_DONE hcalls Reply-To: bharata@linux.ibm.com References: <20190528064933.23119-1-bharata@linux.ibm.com> <20190528064933.23119-4-bharata@linux.ibm.com> <20190617053756.z4disbs5vncxneqj@oak.ozlabs.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190617053756.z4disbs5vncxneqj@oak.ozlabs.ibm.com> User-Agent: Mutt/1.12.0 (2019-05-25) X-TM-AS-GCONF: 00 x-cbid: 19070910-0016-0000-0000-000002909318 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19070910-0017-0000-0000-000032EE4565 Message-Id: <20190709100457.GB27933@in.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-09_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907090122 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: On Mon, Jun 17, 2019 at 03:37:56PM +1000, Paul Mackerras wrote: > On Tue, May 28, 2019 at 12:19:30PM +0530, Bharata B Rao wrote: > > H_SVM_INIT_START: Initiate securing a VM > > H_SVM_INIT_DONE: Conclude securing a VM > > > > As part of H_SVM_INIT_START register all existing memslots with the UV. > > H_SVM_INIT_DONE call by UV informs HV that transition of the guest > > to secure mode is complete. > > It is worth mentioning here that setting any of the flag bits in > kvm->arch.secure_guest will cause the assembly code that enters the > guest to call the UV_RETURN ucall instead of trying to enter the guest > directly. That's not necessarily obvious to the reader as this patch > doesn't touch that assembly code. Documented this in the commit message. > > Apart from that this patch looks fine. > > > Signed-off-by: Bharata B Rao > > Acked-by: Paul Mackerras Thanks, Bharata.