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