qemu-kvm/kvm-s390x-cpumodel-Add-Sequential-Instruction-Fetching-f.patch
Miroslav Rezanina 307deeb5ff * Mon Jan 06 2025 Miroslav Rezanina <mrezanin@redhat.com> - 9.1.0-8
- kvm-linux-headers-Update-to-Linux-v6.12-rc5.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa10-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa11-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa12-changes.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-msa13-subfunctions.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-ptff-Query-Time-Stamp-Event-QTSE-.patch [RHEL-50212]
- kvm-linux-headers-Update-to-Linux-6.13-rc1.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Concurrent-functions-facility-sup.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Vector-Enhancements-facility-3.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Miscellaneous-Instruction-Extensi.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Vector-Packed-Decimal-Enhancement.patch [RHEL-50212]
- kvm-s390x-cpumodel-add-Ineffective-nonconstrained-transa.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-Sequential-Instruction-Fetching-f.patch [RHEL-50212]
- kvm-s390x-cpumodel-correct-PLO-feature-wording.patch [RHEL-50212]
- kvm-s390x-cpumodel-Add-PLO-extension-facility.patch [RHEL-50212]
- kvm-s390x-cpumodel-gen17-model.patch [RHEL-50212]
- kvm-qga-skip-bind-mounts-in-fs-list.patch [RHEL-71940]
- kvm-vhost-fail-device-start-if-iotlb-update-fails.patch [RHEL-27832]
- kvm-hw-char-pl011-Use-correct-masks-for-IBRD-and-FBRD.patch [RHEL-67107]
- Resolves: RHEL-50212
  ([IBM 9.6 FEAT] KVM: CPU model for new IBM Z HW - qemu part)
- Resolves: RHEL-71940
  (qemu-ga cannot freeze filesystems with sentinelone)
- Resolves: RHEL-27832
  (The post-copy migration of RT-VM leads to race while accessing vhost-user device and hung/stalled target VM)
- Resolves: RHEL-67107
  ([aarch64] [rhel-9.6] Backport some important post 9.1 qemu fixes)
2025-01-06 02:19:14 -05:00

44 lines
2.0 KiB
Diff

From 6de82922c2fe7cad72f275d5ef49cabfe0a5e169 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.ibm.com>
Date: Fri, 6 Dec 2024 13:27:48 +0100
Subject: [PATCH 13/19] s390x/cpumodel: Add Sequential-Instruction-Fetching
facility
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Thomas Huth <thuth@redhat.com>
RH-MergeRequest: 304: CPU model for new IBM Z gen17 hardware
RH-Jira: RHEL-50212
RH-Acked-by: Cédric Le Goater <clg@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Commit: [13/16] a858363caecc3bb6b09182ff43427d1677ebbed9 (thuth/qemu-kvm-cs9)
The sequential instruction fetching facility provides few guarantees,
for example, to avoid stop machine calls on enabling/disabling kprobes.
Signed-off-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20241206122751.189721-13-brueckner@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit a5fa8bee72847406bfc32e15c8e41c0a2a0812e1)
---
target/s390x/cpu_features_def.h.inc | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc
index 2c1d1cd98a..09a80844a7 100644
--- a/target/s390x/cpu_features_def.h.inc
+++ b/target/s390x/cpu_features_def.h.inc
@@ -91,6 +91,7 @@ DEF_FEAT(DFP_PACKED_CONVERSION, "dfppc", STFL, 80, "Decimal-floating-point packe
DEF_FEAT(PPA15, "ppa15", STFL, 81, "PPA15 is installed")
DEF_FEAT(BPB, "bpb", STFL, 82, "Branch prediction blocking")
DEF_FEAT(MISC_INSTRUCTION_EXT4, "minste4", STFL, 84, "Miscellaneous-Instruction-Extensions Facility 4")
+DEF_FEAT(SIF, "sif", STFL, 85, "Sequential-instruction-fetching facility")
DEF_FEAT(MSA_EXT_12, "msa12-base", STFL, 86, "Message-security-assist-extension-12 facility (excluding subfunctions)")
DEF_FEAT(VECTOR, "vx", STFL, 129, "Vector facility")
DEF_FEAT(INSTRUCTION_EXEC_PROT, "iep", STFL, 130, "Instruction-execution-protection facility")
--
2.39.3