From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:49169) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gsENO-0001EV-Ju for qemu-devel@nongnu.org; Fri, 08 Feb 2019 17:12:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gsENM-0007Fo-OD for qemu-devel@nongnu.org; Fri, 08 Feb 2019 17:12:02 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:45520) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gsENK-0007EY-Md for qemu-devel@nongnu.org; Fri, 08 Feb 2019 17:12:00 -0500 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x18MAJ1V030731 for ; Fri, 8 Feb 2019 17:11:55 -0500 Received: from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204]) by mx0a-001b2d01.pphosted.com with ESMTP id 2qheny8wm5-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 08 Feb 2019 17:11:55 -0500 Received: from localhost by e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 8 Feb 2019 22:11:54 -0000 From: Collin Walling Date: Fri, 8 Feb 2019 17:11:10 -0500 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20190208221111.25237-1-walling@linux.ibm.com> Subject: [Qemu-devel] [PATCH 1/2] s390x/cpumodel: default enable mepoch for z14 and later List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org Cc: david@redhat.com, borntraeger@de.ibm.com, cohuck@redhat.com, pasic@linux.ibm.com, rth@twiddle.net Latest systems and host kernels support mepoch, which is a feature that was meant to be supported for z14 GA1 from the get-go. Let's copy it to the z14 GA1 default CPU model. Machines s390-ccw-virtio-3.1 and older will retain the old CPU models and will not provide this bit in the default model. Signed-off-by: Collin Walling --- hw/s390x/s390-virtio-ccw.c | 1 + target/s390x/gen-features.c | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index fd9d0b0542..32c5027345 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -757,6 +757,7 @@ DEFINE_CCW_MACHINE(4_0, "4.0", true); static void ccw_machine_3_1_instance_options(MachineState *machine) { ccw_machine_4_0_instance_options(machine); + s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); } static void ccw_machine_3_1_class_options(MachineClass *mc) diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 70015eaaf5..d258d67dca 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -550,6 +550,7 @@ static uint16_t default_GEN14_GA1[] = { S390_FEAT_GROUP_MSA_EXT_6, S390_FEAT_GROUP_MSA_EXT_7, S390_FEAT_GROUP_MSA_EXT_8, + S390_FEAT_MULTIPLE_EPOCH, }; /* QEMU (CPU model) features */ -- 2.20.1