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home:dirkmueller:acdc:as_python3_module
libvirt.16761
suse-libxl-disable-autoballoon.patch
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File suse-libxl-disable-autoballoon.patch of Package libvirt.16761
libxl: disable autoballooning Xen 4.12 introduced a CONFIG_DOM0_MEM option, which our xen package uses to configure dom0 with a sensible initial memory value and disables autoballooning. This patch changes libvirt to also disable autoballooning by default. It can only be enabled with the 'autoballoon' setting in libxl.conf. See jsc#SLE-3059 for more details. Index: libvirt-5.1.0/src/libxl/libxl.conf =================================================================== --- libvirt-5.1.0.orig/src/libxl/libxl.conf +++ libvirt-5.1.0/src/libxl/libxl.conf @@ -4,12 +4,11 @@ # Enable autoballooning of domain0 # -# By default, autoballooning of domain0 is enabled unless its memory -# is already limited with Xen's "dom0_mem=" parameter, in which case -# autoballooning is disabled. Override the default behavior with the -# autoballoon setting. +# By default, autoballooning of domain0 is disabled. Traditionally it +# could also be disabled by using Xen's "dom0_mem=" parameter. Set to +# 1 to enable autoballooning. # -#autoballoon = 1 +#autoballoon = 0 # In order to prevent accidentally starting two domains that Index: libvirt-5.1.0/src/libxl/libxl_conf.c =================================================================== --- libvirt-5.1.0.orig/src/libxl/libxl_conf.c +++ libvirt-5.1.0/src/libxl/libxl_conf.c @@ -22,7 +22,6 @@ #include <config.h> -#include <regex.h> #include <libxl.h> #include <sys/types.h> #include <sys/socket.h> @@ -1760,14 +1759,12 @@ libxlMakeBuildInfoVfb(virPortAllocatorRa /* * Get domain0 autoballoon configuration. Honor user-specified * setting in libxl.conf first. If not specified, autoballooning - * is disabled when domain0's memory is set with 'dom0_mem'. - * Otherwise autoballooning is enabled. + * is disabled. */ static int libxlGetAutoballoonConf(libxlDriverConfigPtr cfg, virConfPtr conf) { - regex_t regex; int res; res = virConfGetValueBool(conf, "autoballoon", &cfg->autoballoon); @@ -1776,21 +1773,8 @@ libxlGetAutoballoonConf(libxlDriverConfi else if (res == 1) return 0; - if ((res = regcomp(®ex, - "(^| )dom0_mem=((|min:|max:)[0-9]+[bBkKmMgG]?,?)+($| )", - REG_NOSUB | REG_EXTENDED)) != 0) { - char error[100]; - regerror(res, ®ex, error, sizeof(error)); - virReportError(VIR_ERR_INTERNAL_ERROR, - _("Failed to compile regex %s"), - error); - - return -1; - } - - res = regexec(®ex, cfg->verInfo->commandline, 0, NULL, 0); - regfree(®ex); - cfg->autoballoon = res == REG_NOMATCH; + /* make it explicit */ + cfg->autoballoon = 0; return 0; } Index: libvirt-5.1.0/src/libxl/test_libvirtd_libxl.aug.in =================================================================== --- libvirt-5.1.0.orig/src/libxl/test_libvirtd_libxl.aug.in +++ libvirt-5.1.0/src/libxl/test_libvirtd_libxl.aug.in @@ -2,7 +2,7 @@ module Test_libvirtd_libxl = ::CONFIG:: test Libvirtd_libxl.lns get conf = -{ "autoballoon" = "1" } +{ "autoballoon" = "0" } { "lock_manager" = "lockd" } { "keepalive_interval" = "5" } { "keepalive_count" = "5" }
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