forked from pool/libvirt
58112c5e1b
- Update to libvirt 8.7.0
- jsc#PED-620, jsc#PED-1540
- Many incremental improvements and bug fixes, see
https://libvirt.org/news.html#v8-7-0-2022-09-01
- Dropped patches:
9493c9b7-lxc-containter-fix-build-with-glibc-2.36.patch,
c0d9adf2-virfile-Fix-build-with-glibc-2.36.patch
- spec: Suppress error messages about nonexistent or unreadable
files from grep
OBS-URL: https://build.opensuse.org/request/show/1000754
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=943
92 lines
3.3 KiB
Diff
92 lines
3.3 KiB
Diff
From a844460158d37bc6f984384f8edb9d369208e390 Mon Sep 17 00:00:00 2001
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From: Jim Fehlig <jfehlig@suse.com>
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Date: Tue, 5 Jul 2022 13:51:37 -0600
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Subject: libxl: disable autoballooning
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Xen 4.12 introduced a CONFIG_DOM0_MEM option, which our xen package uses
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to configure dom0 with a sensible initial memory value and disables
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autoballooning. This patch changes libvirt to also disable autoballooning
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by default. It can only be enabled with the 'autoballoon' setting in
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libxl.conf. See jsc#SLE-3059 for more details.
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Signed-off-by: Jim Fehlig <jfehlig@suse.com>
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---
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src/libxl/libxl.conf | 9 ++++-----
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src/libxl/libxl_conf.c | 16 +++-------------
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src/libxl/test_libvirtd_libxl.aug.in | 2 +-
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3 files changed, 8 insertions(+), 19 deletions(-)
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Index: libvirt-8.7.0/src/libxl/libxl.conf
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===================================================================
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--- libvirt-8.7.0.orig/src/libxl/libxl.conf
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+++ libvirt-8.7.0/src/libxl/libxl.conf
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@@ -4,12 +4,11 @@
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# Enable autoballooning of domain0
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#
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-# By default, autoballooning of domain0 is enabled unless its memory
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-# is already limited with Xen's "dom0_mem=" parameter, in which case
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-# autoballooning is disabled. Override the default behavior with the
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-# autoballoon setting.
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+# By default, autoballooning of domain0 is disabled. Traditionally it
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+# could also be disabled by using Xen's "dom0_mem=" parameter. Set to
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+# 1 to enable autoballooning.
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#
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-#autoballoon = 1
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+#autoballoon = 0
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# In order to prevent accidentally starting two domains that
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Index: libvirt-8.7.0/src/libxl/libxl_conf.c
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===================================================================
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--- libvirt-8.7.0.orig/src/libxl/libxl_conf.c
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+++ libvirt-8.7.0/src/libxl/libxl_conf.c
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@@ -1737,15 +1737,12 @@ libxlMakeBuildInfoVfb(virPortAllocatorRa
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/*
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* Get domain0 autoballoon configuration. Honor user-specified
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* setting in libxl.conf first. If not specified, autoballooning
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- * is disabled when domain0's memory is set with 'dom0_mem'.
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- * Otherwise autoballooning is enabled.
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+ * is disabled.
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*/
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static int
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libxlGetAutoballoonConf(libxlDriverConfig *cfg,
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virConf *conf)
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{
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- g_autoptr(GRegex) regex = NULL;
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- g_autoptr(GError) err = NULL;
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int res;
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res = virConfGetValueBool(conf, "autoballoon", &cfg->autoballoon);
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@@ -1754,15 +1751,8 @@ libxlGetAutoballoonConf(libxlDriverConfi
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else if (res == 1)
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return 0;
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- regex = g_regex_new("(^| )dom0_mem=((|min:|max:)[0-9]+[bBkKmMgG]?,?)+($| )",
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- 0, 0, &err);
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- if (!regex) {
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- virReportError(VIR_ERR_INTERNAL_ERROR,
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- _("Failed to compile regex %s"), err->message);
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- return -1;
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- }
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-
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- cfg->autoballoon = !g_regex_match(regex, cfg->verInfo->commandline, 0, NULL);
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+ /* make it explicit */
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+ cfg->autoballoon = 0;
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return 0;
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}
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Index: libvirt-8.7.0/src/libxl/test_libvirtd_libxl.aug.in
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===================================================================
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--- libvirt-8.7.0.orig/src/libxl/test_libvirtd_libxl.aug.in
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+++ libvirt-8.7.0/src/libxl/test_libvirtd_libxl.aug.in
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@@ -2,7 +2,7 @@ module Test_libvirtd_libxl =
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@CONFIG@
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test Libvirtd_libxl.lns get conf =
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-{ "autoballoon" = "1" }
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+{ "autoballoon" = "0" }
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{ "lock_manager" = "lockd" }
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{ "keepalive_interval" = "5" }
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{ "keepalive_count" = "5" }
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