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From 73439e9284f4c7101721ee081d5ca6249d284ed0 Mon Sep 17 00:00:00 2001
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Message-Id: <73439e9284f4c7101721ee081d5ca6249d284ed0@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 21 Mar 2022 17:10:15 +0100
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Subject: [PATCH] qemu_command: Generate prealloc-threads property
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Let's generate prealloc-threads property onto the cmd line if
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domain configuration requests so.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit b8d6ecc70c8a8e9c90bab48b6829b42d8b77c748)
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Conflicts:
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tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args:
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Upstream has moved some cmd line arguments
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(v8.0.0-260-gaf23241cfe) but that is not backported.
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2075628
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/qemu/qemu_command.c | 5 ++++-
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tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args | 4 ++--
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2 files changed, 6 insertions(+), 3 deletions(-)
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diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
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index ee0e611513..9166317895 100644
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--- a/src/qemu/qemu_command.c
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+++ b/src/qemu/qemu_command.c
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@@ -3856,7 +3856,10 @@ qemuBuildMemoryBackendProps(virJSONValue **backendProps,
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return -1;
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} else {
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if (!priv->memPrealloc &&
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- virJSONValueObjectAdd(&props, "B:prealloc", prealloc, NULL) < 0)
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+ virJSONValueObjectAdd(&props,
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+ "B:prealloc", prealloc,
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+ "p:prealloc-threads", def->mem.allocation_threads,
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+ NULL) < 0)
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return -1;
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}
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diff --git a/tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args b/tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args
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index 04a320d469..9b2e6086c3 100644
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--- a/tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args
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+++ b/tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args
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@@ -16,7 +16,7 @@ XDG_CONFIG_HOME=/tmp/lib/domain--1-instance-00000092/.config \
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-m size=14680064k,slots=16,maxmem=1099511627776k \
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-overcommit mem-lock=off \
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-smp 8,sockets=1,dies=1,cores=8,threads=1 \
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--object '{"qom-type":"memory-backend-memfd","id":"ram-node0","hugetlb":true,"hugetlbsize":2097152,"share":true,"prealloc":true,"size":15032385536,"host-nodes":[3],"policy":"preferred"}' \
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+-object '{"qom-type":"memory-backend-memfd","id":"ram-node0","hugetlb":true,"hugetlbsize":2097152,"share":true,"prealloc":true,"prealloc-threads":8,"size":15032385536,"host-nodes":[3],"policy":"preferred"}' \
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-numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \
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-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
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-display none \
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@@ -29,7 +29,7 @@ XDG_CONFIG_HOME=/tmp/lib/domain--1-instance-00000092/.config \
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-no-acpi \
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-boot strict=on \
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-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
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--object '{"qom-type":"memory-backend-file","id":"memnvdimm0","mem-path":"/tmp/nvdimm","share":true,"prealloc":true,"size":536870912,"host-nodes":[3],"policy":"preferred"}' \
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+-object '{"qom-type":"memory-backend-file","id":"memnvdimm0","mem-path":"/tmp/nvdimm","share":true,"prealloc":true,"prealloc-threads":8,"size":536870912,"host-nodes":[3],"policy":"preferred"}' \
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-device nvdimm,node=0,memdev=memnvdimm0,id=nvdimm0,slot=0 \
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-audiodev '{"id":"audio1","driver":"none"}' \
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-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
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--
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2.35.1
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