From d81b31dc2ad17c7ba790c7cfbc29b82b6c8c198c Mon Sep 17 00:00:00 2001
Message-Id: <d81b31dc2ad17c7ba790c7cfbc29b82b6c8c198c@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 13 Aug 2018 18:16:21 +0200
Subject: [PATCH] conf: Move hugepages validation out of XML parser
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 82327038390bfae117dc6e1d9062e38901cd4c97)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1591235
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
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