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From 5688fdb9a3ed192b85dca84c47a7ddfd325778d9 Mon Sep 17 00:00:00 2001
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From: Stefano Garzarella <sgarzare@redhat.com>
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Date: Thu, 24 Mar 2022 16:04:57 +0100
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Subject: [PATCH 1/3] RHEL: disable "seqpacket" for "vhost-vsock-device" in
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rhel8.6.0
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Stefano Garzarella <sgarzare@redhat.com>
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RH-MergeRequest: 135: RHEL: disable "seqpacket" for "vhost-vsock-device" in rhel8.6.0 [rhel-9.0.0.z]
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RH-Commit: [1/1] 5ee0de3110deaa0222c9783c00168b536b0c8934
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RH-Bugzilla: 2071102
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RH-Acked-by: Jason Wang <jasowang@redhat.com>
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RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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vhost-vsock device in RHEL 8 kernels doesn't support seqpacket.
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To avoid problems when migrating a VM from RHEL 9 host, we need to
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disable it in rhel8-* machine types.
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Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
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---
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hw/core/machine.c | 10 ++++++++++
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hw/i386/pc_piix.c | 2 ++
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hw/i386/pc_q35.c | 2 ++
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hw/s390x/s390-virtio-ccw.c | 1 +
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include/hw/boards.h | 3 +++
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5 files changed, 18 insertions(+)
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diff --git a/hw/core/machine.c b/hw/core/machine.c
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index 5fae55d6cd..7dcceb904a 100644
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--- a/hw/core/machine.c
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+++ b/hw/core/machine.c
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@@ -43,6 +43,16 @@
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const char *rhel_old_machine_deprecation =
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"machine types for previous major releases are deprecated";
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+GlobalProperty hw_compat_rhel_8_6[] = {
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+ /* hw_compat_rhel_8_6 bz 2065589 */
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+ /*
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+ * vhost-vsock device in RHEL 8 kernels doesn't support seqpacket, so
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+ * we need do disable it downstream on the latest hw_compat_rhel_8.
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+ */
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+ { "vhost-vsock-device", "seqpacket", "off" },
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+};
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+const size_t hw_compat_rhel_8_6_len = G_N_ELEMENTS(hw_compat_rhel_8_6);
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+
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/*
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* Mostly the same as hw_compat_6_0 and hw_compat_6_1
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*/
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diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
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index cf68d7498c..08579366b6 100644
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--- a/hw/i386/pc_piix.c
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+++ b/hw/i386/pc_piix.c
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@@ -998,6 +998,8 @@ static void pc_machine_rhel760_options(MachineClass *m)
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pcmc->kvmclock_create_always = false;
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/* From pc_i440fx_5_1_machine_options() */
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pcmc->pci_root_uid = 1;
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+ compat_props_add(m->compat_props, hw_compat_rhel_8_6,
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+ hw_compat_rhel_8_6_len);
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compat_props_add(m->compat_props, hw_compat_rhel_8_5,
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hw_compat_rhel_8_5_len);
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compat_props_add(m->compat_props, pc_rhel_8_5_compat,
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diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
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index c8e06da084..23dacdd923 100644
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--- a/hw/i386/pc_q35.c
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+++ b/hw/i386/pc_q35.c
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@@ -680,6 +680,8 @@ static void pc_q35_machine_rhel860_options(MachineClass *m)
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pcmc->smbios_stream_product = "RHEL-AV";
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pcmc->smbios_stream_version = "8.6.0";
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+ compat_props_add(m->compat_props, hw_compat_rhel_8_6,
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+ hw_compat_rhel_8_6_len);
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}
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DEFINE_PC_MACHINE(q35_rhel860, "pc-q35-rhel8.6.0", pc_q35_init_rhel860,
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diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
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index cc78a315e3..13bfa4253e 100644
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--- a/hw/s390x/s390-virtio-ccw.c
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+++ b/hw/s390x/s390-virtio-ccw.c
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@@ -1121,6 +1121,7 @@ static void ccw_machine_rhel860_instance_options(MachineState *machine)
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static void ccw_machine_rhel860_class_options(MachineClass *mc)
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{
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ccw_machine_rhel900_class_options(mc);
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+ compat_props_add(mc->compat_props, hw_compat_rhel_8_6, hw_compat_rhel_8_6_len);
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/* All RHEL machines for prior major releases are deprecated */
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mc->deprecation_reason = rhel_old_machine_deprecation;
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diff --git a/include/hw/boards.h b/include/hw/boards.h
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index 21d8d5528e..b9c12c4bf2 100644
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--- a/include/hw/boards.h
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+++ b/include/hw/boards.h
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@@ -443,6 +443,9 @@ extern const size_t hw_compat_2_2_len;
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extern GlobalProperty hw_compat_2_1[];
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extern const size_t hw_compat_2_1_len;
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+extern GlobalProperty hw_compat_rhel_8_6[];
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+extern const size_t hw_compat_rhel_8_6_len;
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+
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extern GlobalProperty hw_compat_rhel_8_5[];
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extern const size_t hw_compat_rhel_8_5_len;
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--
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2.31.1
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