From d81b31dc2ad17c7ba790c7cfbc29b82b6c8c198c Mon Sep 17 00:00:00 2001 Message-Id: From: Pavel Hrdina Date: Mon, 13 Aug 2018 18:16:21 +0200 Subject: [PATCH] conf: Move hugepages validation out of XML parser MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Pavel Hrdina (cherry picked from commit 82327038390bfae117dc6e1d9062e38901cd4c97) Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1591235 Signed-off-by: Pavel Hrdina Reviewed-by: Ján Tomko --- src/conf/domain_conf.c | 75 ++++++++++++++++++++++-------------------- 1 file changed, 40 insertions(+), 35 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 280bbdf35c..98e833c5bb 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -6149,9 +6149,49 @@ virDomainDefMemtuneValidate(const virDomainDef *def) size_t i; ssize_t pos = virDomainNumaGetNodeCount(def->numa) - 1; + if (mem->nhugepages == 0) + return 0; + + if (mem->allocation == VIR_DOMAIN_MEMORY_ALLOCATION_ONDEMAND) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("hugepages are not allowed with memory " + "allocation ondemand")); + return -1; + } + + if (mem->source == VIR_DOMAIN_MEMORY_SOURCE_ANONYMOUS) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("hugepages are not allowed with anonymous " + "memory source")); + return -1; + } + for (i = 0; i < mem->nhugepages; i++) { + size_t j; ssize_t nextBit; + for (j = 0; j < i; j++) { + if (mem->hugepages[i].nodemask && + mem->hugepages[j].nodemask && + virBitmapOverlaps(mem->hugepages[i].nodemask, + mem->hugepages[j].nodemask)) { + virReportError(VIR_ERR_XML_DETAIL, + _("nodeset attribute of hugepages " + "of sizes %llu and %llu intersect"), + mem->hugepages[i].size, + mem->hugepages[j].size); + return -1; + } else if (!mem->hugepages[i].nodemask && + !mem->hugepages[j].nodemask) { + virReportError(VIR_ERR_XML_DETAIL, + _("two master hugepages detected: " + "%llu and %llu"), + mem->hugepages[i].size, + mem->hugepages[j].size); + return -1; + } + } + if (!mem->hugepages[i].nodemask) { /* This is the master hugepage to use. Skip it as it has no * nodemask anyway. */ @@ -19414,19 +19454,6 @@ virDomainDefParseXML(xmlDocPtr xml, if (virXPathNode("./memoryBacking/hugepages", ctxt)) { /* hugepages will be used */ - - if (def->mem.allocation == VIR_DOMAIN_MEMORY_ALLOCATION_ONDEMAND) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("hugepages are not allowed with memory allocation ondemand")); - goto error; - } - - if (def->mem.source == VIR_DOMAIN_MEMORY_SOURCE_ANONYMOUS) { - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", - _("hugepages are not allowed with anonymous memory source")); - goto error; - } - if ((n = virXPathNodeSet("./memoryBacking/hugepages/page", ctxt, &nodes)) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot extract hugepages nodes")); @@ -19442,28 +19469,6 @@ virDomainDefParseXML(xmlDocPtr xml, &def->mem.hugepages[i]) < 0) goto error; def->mem.nhugepages++; - - for (j = 0; j < i; j++) { - if (def->mem.hugepages[i].nodemask && - def->mem.hugepages[j].nodemask && - virBitmapOverlaps(def->mem.hugepages[i].nodemask, - def->mem.hugepages[j].nodemask)) { - virReportError(VIR_ERR_XML_DETAIL, - _("nodeset attribute of hugepages " - "of sizes %llu and %llu intersect"), - def->mem.hugepages[i].size, - def->mem.hugepages[j].size); - goto error; - } else if (!def->mem.hugepages[i].nodemask && - !def->mem.hugepages[j].nodemask) { - virReportError(VIR_ERR_XML_DETAIL, - _("two master hugepages detected: " - "%llu and %llu"), - def->mem.hugepages[i].size, - def->mem.hugepages[j].size); - goto error; - } - } } VIR_FREE(nodes); -- 2.18.0