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Wed, 05 Jun 2024 15:58:10 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 455Fw4lv57016742 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Jun 2024 15:58:06 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 749822004B; Wed, 5 Jun 2024 15:58:04 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C1E2520040; Wed, 5 Jun 2024 15:58:02 +0000 (GMT) Received: from [172.17.0.2] (unknown [9.3.101.175]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 5 Jun 2024 15:58:02 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc : content-transfer-encoding : content-type : date : from : in-reply-to : message-id : mime-version : references : subject : to; s=pp1; bh=ALgeKuVqFIO9D6RFsSznRhTRJ/tzwMvDqDRx65pA2Fs=; b=D2Bb9RisBl6W/mOzdr/VvfNN7aFxmIAuKLkXe5mI5vb1OPr4xYifMIUuUSUqeTu2ncEL 7AR7xOnVRmHE8M1+yc9RHBBqUNge//t5AQaKTVvKIPlo7Zh0jfMTQAA0NzKKIyKXmMr9 LemYEDaqk94PQ5CPw+6nGHY797qxSVAjnKV7cCmvwx6e17FnTbo/NsI6aeNsElKO/X4a xSAtwpnOO2M5Wkf182U1drXNUsDvCIKElfeEB81X1F21/tvzf//6ZNoeywZwSKn+lOYn gN7uLCc+zTvJ62I6uPQTnEfgNH6Fs+v5QHGW3iKsMShd4jtzTobDOt+eoMqBT8LdIisu pA== Subject: [PATCH v2 2/4] target/ppc/cpu_init: Synchronize DEXCR with KVM for migration From: Shivaprasad G Bhat To: cohuck@redhat.com, pbonzini@redhat.com, npiggin@gmail.com, kvm@vger.kernel.org, qemu-devel@nongnu.org Cc: mst@redhat.com, danielhb413@gmail.com, qemu-ppc@nongnu.org, sbhat@linux.ibm.com, harshpb@linux.ibm.com, vaibhav@linux.ibm.com Date: Wed, 05 Jun 2024 15:58:02 +0000 Message-ID: <171760307934.1127.11339021522853395539.stgit@ad1b393f0e09> In-Reply-To: <171760304518.1127.12881297254648658843.stgit@ad1b393f0e09> References: <171760304518.1127.12881297254648658843.stgit@ad1b393f0e09> User-Agent: StGit/1.5 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: wSsFJF725h6xPuEn73XWw5zFmnfoXTh1 X-Proofpoint-GUID: slsPbLF23A8pgMZYWB3wuUSU2kctDYMK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 phishscore=0 spamscore=0 malwarescore=0 impostorscore=0 mlxlogscore=844 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406050121 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=sbhat@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1717603133893100001 The patch enables DEXCR migration by hooking with the "KVM one reg" ID KVM_REG_PPC_DEXCR. Signed-off-by: Shivaprasad G Bhat --- target/ppc/cpu_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index c11a69fd90..b1422c2eab 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -5818,9 +5818,9 @@ static void register_power10_hash_sprs(CPUPPCState *e= nv) =20 static void register_power10_dexcr_sprs(CPUPPCState *env) { - spr_register(env, SPR_DEXCR, "DEXCR", + spr_register_kvm(env, SPR_DEXCR, "DEXCR", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_generic, KVM_REG_PPC_DEXCR, 0); =20 spr_register(env, SPR_UDEXCR, "UDEXCR",