[libvirt] [PATCH 2/2] qemu: Fix command line generation with faked host CPU

Jiri Denemark jdenemar at redhat.com
Tue Feb 15 14:54:00 UTC 2011


The code expected that host CPU architecture matches the architecture on
which libvirt runs. This is normally true but not in tests, where host
CPU is faked to produce consistent results.
---
 src/qemu/qemu_command.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 1687203..efd120c 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2440,7 +2440,8 @@ qemuBuildCpuArgStr(const struct qemud_driver *driver,
     *hasHwVirt = false;
 
     if (def->cpu && def->cpu->model) {
-        if (qemuCapsProbeCPUModels(emulator, qemuCmdFlags, ut->machine,
+        if (host &&
+            qemuCapsProbeCPUModels(emulator, qemuCmdFlags, host->arch,
                                    &ncpus, &cpus) < 0)
             goto cleanup;
 
@@ -2469,7 +2470,7 @@ qemuBuildCpuArgStr(const struct qemud_driver *driver,
             break;
         }
 
-        if (VIR_ALLOC(guest) < 0 || !(guest->arch = strdup(ut->machine)))
+        if (VIR_ALLOC(guest) < 0 || !(guest->arch = strdup(host->arch)))
             goto no_memory;
 
         if (def->cpu->match == VIR_CPU_MATCH_MINIMUM)
@@ -2528,8 +2529,9 @@ qemuBuildCpuArgStr(const struct qemud_driver *driver,
     ret = 0;
 
 cleanup:
+    if (guest)
+        cpuDataFree(guest->arch, data);
     virCPUDefFree(guest);
-    cpuDataFree(ut->machine, data);
 
     if (cpus) {
         for (i = 0; i < ncpus; i++)
-- 
1.7.4.1




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