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[libvirt] [PATCH v2 3/7] qemu: detect arch correctly for KVM



When running under KVM, the arch is usually set to i686 because
the name of the emulator is not qemu-system-x86_64.  Use the host
arch instead.

Signed-off-by: Paolo Bonzini <pbonzini redhat com>
---
 src/qemu/qemu_command.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 1e3e8ef..fc337f7 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7003,8 +7003,10 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
         path = def->emulator;
     else
         path = strstr(def->emulator, "qemu");
-    if (path &&
-        STRPREFIX(path, "qemu-system-"))
+    if (def->virtType == VIR_DOMAIN_VIRT_KVM)
+        def->os.arch = strdup(caps->host.cpu->arch);
+    else if (path &&
+             STRPREFIX(path, "qemu-system-"))
         def->os.arch = strdup(path + strlen("qemu-system-"));
     else
         def->os.arch = strdup("i686");
-- 
1.7.7.6



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