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From f1b43cf50155508bf93ff4bbd4e9930ab06e8359 Mon Sep 17 00:00:00 2001
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From: David Hildenbrand <david@redhat.com>
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Date: Wed, 22 May 2019 08:04:00 +0100
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Subject: [PATCH 08/12] s390x/cpumodel: add Deflate-conversion facility
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RH-Author: David Hildenbrand <david@redhat.com>
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Message-id: <20190522080402.20173-9-david@redhat.com>
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Patchwork-id: 88155
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O-Subject: [RHEL8.1 qemu-kvm PATCH v2 08/10] s390x/cpumodel: add Deflate-conversion facility
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Bugzilla: 1660912
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Jens Freimann <jfreimann@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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add the deflate conversion facility.
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Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Message-Id: <20190429090250.7648-8-borntraeger@de.ibm.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit afc7b8666b62fe72fdbad7ab0c3f206d4c57c1d1)
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Signed-off-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/s390x/cpu_features.c | 9 +++++++++
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target/s390x/cpu_features.h | 1 +
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target/s390x/cpu_features_def.h | 7 +++++++
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target/s390x/gen-features.c | 12 ++++++++++++
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target/s390x/kvm.c | 6 ++++++
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5 files changed, 35 insertions(+)
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diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c
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index 1d19b30..f64f581 100644
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--- a/target/s390x/cpu_features.c
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+++ b/target/s390x/cpu_features.c
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@@ -110,6 +110,7 @@ static const S390FeatDef s390_features[] = {
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FEAT_INIT("cmmnt", S390_FEAT_TYPE_STFL, 147, "CMM: ESSA-enhancement (no translate) facility"),
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FEAT_INIT("vxeh2", S390_FEAT_TYPE_STFL, 148, "Vector Enhancements facility 2"),
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FEAT_INIT("esort-base", S390_FEAT_TYPE_STFL, 150, "Enhanced-sort facility (excluding subfunctions)"),
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+ FEAT_INIT("deflate-base", S390_FEAT_TYPE_STFL, 151, "Deflate-conversion facility (excluding subfunctions)"),
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FEAT_INIT("vxbeh", S390_FEAT_TYPE_STFL, 152, "Vector BCD enhancements facility 1"),
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FEAT_INIT("msa9-base", S390_FEAT_TYPE_STFL, 155, "Message-security-assist-extension-9 facility (excluding subfunctions)"),
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FEAT_INIT("etoken", S390_FEAT_TYPE_STFL, 156, "Etoken facility"),
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@@ -347,6 +348,11 @@ static const S390FeatDef s390_features[] = {
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FEAT_INIT("sortl-32", S390_FEAT_TYPE_SORTL, 130, "SORTL 32 input lists"),
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FEAT_INIT("sortl-128", S390_FEAT_TYPE_SORTL, 132, "SORTL 128 input lists"),
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FEAT_INIT("sortl-f0", S390_FEAT_TYPE_SORTL, 192, "SORTL format 0 parameter-block"),
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+
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+ FEAT_INIT("dfltcc-gdht", S390_FEAT_TYPE_DFLTCC, 1, "DFLTCC GDHT"),
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+ FEAT_INIT("dfltcc-cmpr", S390_FEAT_TYPE_DFLTCC, 2, "DFLTCC CMPR"),
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+ FEAT_INIT("dfltcc-xpnd", S390_FEAT_TYPE_DFLTCC, 4, "DFLTCC XPND"),
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+ FEAT_INIT("dfltcc-f0", S390_FEAT_TYPE_DFLTCC, 192, "DFLTCC format 0 parameter-block"),
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};
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const S390FeatDef *s390_feat_def(S390Feat feat)
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@@ -411,6 +417,7 @@ void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
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case S390_FEAT_TYPE_KMA:
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case S390_FEAT_TYPE_KDSA:
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case S390_FEAT_TYPE_SORTL:
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+ case S390_FEAT_TYPE_DFLTCC:
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set_be_bit(0, data); /* query is always available */
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break;
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default:
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@@ -439,6 +446,7 @@ void s390_add_from_feat_block(S390FeatBitmap features, S390FeatType type,
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break;
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case S390_FEAT_TYPE_PLO:
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case S390_FEAT_TYPE_SORTL:
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+ case S390_FEAT_TYPE_DFLTCC:
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nr_bits = 256;
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break;
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default:
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@@ -511,6 +519,7 @@ static S390FeatGroupDef s390_feature_groups[] = {
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FEAT_GROUP_INIT("msa9_pckmo", MSA_EXT_9_PCKMO, "Message-security-assist-extension 9 PCKMO subfunctions"),
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FEAT_GROUP_INIT("mepochptff", MULTIPLE_EPOCH_PTFF, "PTFF enhancements introduced with Multiple-epoch facility"),
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FEAT_GROUP_INIT("esort", ENH_SORT, "Enhanced-sort facility"),
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+ FEAT_GROUP_INIT("deflate", DEFLATE_CONVERSION, "Deflate-conversion facility"),
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};
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const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group)
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diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h
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index 3b8c5b2..da695a8 100644
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--- a/target/s390x/cpu_features.h
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+++ b/target/s390x/cpu_features.h
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@@ -41,6 +41,7 @@ typedef enum {
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S390_FEAT_TYPE_KMA,
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S390_FEAT_TYPE_KDSA,
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S390_FEAT_TYPE_SORTL,
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+ S390_FEAT_TYPE_DFLTCC,
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} S390FeatType;
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/* Definition of a CPU feature */
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diff --git a/target/s390x/cpu_features_def.h b/target/s390x/cpu_features_def.h
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index bb85858..292b17b 100644
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--- a/target/s390x/cpu_features_def.h
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+++ b/target/s390x/cpu_features_def.h
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@@ -98,6 +98,7 @@ typedef enum {
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S390_FEAT_CMM_NT,
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S390_FEAT_VECTOR_ENH2,
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S390_FEAT_ESORT_BASE,
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+ S390_FEAT_DEFLATE_BASE,
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S390_FEAT_VECTOR_BCD_ENH,
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S390_FEAT_MSA_EXT_9,
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S390_FEAT_ETOKEN,
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@@ -354,6 +355,12 @@ typedef enum {
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S390_FEAT_SORTL_128,
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S390_FEAT_SORTL_F0,
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+ /* DEFLATE */
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+ S390_FEAT_DEFLATE_GHDT,
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+ S390_FEAT_DEFLATE_CMPR,
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+ S390_FEAT_DEFLATE_XPND,
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+ S390_FEAT_DEFLATE_F0,
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+
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S390_FEAT_MAX,
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} S390Feat;
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diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
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index 1a94cae..c61bce2 100644
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--- a/target/s390x/gen-features.c
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+++ b/target/s390x/gen-features.c
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@@ -254,6 +254,13 @@
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S390_FEAT_SORTL_F0
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+#define S390_FEAT_GROUP_DEFLATE_CONVERSION \
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+ S390_FEAT_DEFLATE_BASE, \
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+ S390_FEAT_DEFLATE_GHDT, \
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+ S390_FEAT_DEFLATE_CMPR, \
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+ S390_FEAT_DEFLATE_XPND, \
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+ S390_FEAT_DEFLATE_F0
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+
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/* cpu feature groups */
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static uint16_t group_PLO[] = {
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S390_FEAT_GROUP_PLO,
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@@ -307,6 +314,10 @@ static uint16_t group_ENH_SORT[] = {
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S390_FEAT_GROUP_ENH_SORT,
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};
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+static uint16_t group_DEFLATE_CONVERSION[] = {
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+ S390_FEAT_GROUP_DEFLATE_CONVERSION,
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+};
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+
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/* Base features (in order of release)
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* Only non-hypervisor managed features belong here.
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* Base feature sets are static meaning they do not change in future QEMU
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@@ -765,6 +776,7 @@ static FeatGroupDefSpec FeatGroupDef[] = {
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FEAT_GROUP_INITIALIZER(MSA_EXT_9_PCKMO),
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FEAT_GROUP_INITIALIZER(MULTIPLE_EPOCH_PTFF),
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FEAT_GROUP_INITIALIZER(ENH_SORT),
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+ FEAT_GROUP_INITIALIZER(DEFLATE_CONVERSION),
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};
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#define QEMU_FEAT_INITIALIZER(_name) \
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diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
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index b7e3f33..1d6cc33 100644
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--- a/target/s390x/kvm.c
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+++ b/target/s390x/kvm.c
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@@ -2085,6 +2085,9 @@ static int query_cpu_subfunc(S390FeatBitmap features)
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if (test_bit(S390_FEAT_ESORT_BASE, features)) {
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s390_add_from_feat_block(features, S390_FEAT_TYPE_SORTL, prop.sortl);
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}
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+ if (test_bit(S390_FEAT_DEFLATE_BASE, features)) {
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+ s390_add_from_feat_block(features, S390_FEAT_TYPE_DFLTCC, prop.dfltcc);
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+ }
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return 0;
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}
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@@ -2135,6 +2138,9 @@ static int configure_cpu_subfunc(const S390FeatBitmap features)
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if (test_bit(S390_FEAT_ESORT_BASE, features)) {
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s390_fill_feat_block(features, S390_FEAT_TYPE_SORTL, prop.sortl);
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}
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+ if (test_bit(S390_FEAT_DEFLATE_BASE, features)) {
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+ s390_fill_feat_block(features, S390_FEAT_TYPE_DFLTCC, prop.dfltcc);
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+ }
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return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
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}
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--
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1.8.3.1
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