From c21be74a657c56bfc4091428b54189682c354640 Mon Sep 17 00:00:00 2001 From: Daniel Berrange Date: Wed, 19 Jul 2017 10:06:07 +0100 Subject: [PATCH] virt: enable detecting QEMU (TCG) via CPUID (#6399) QEMU >= 2.10 will include a CPUID leaf with value "TCGTCGTCGTCG" on x86 when running with the TCG CPU emulator: https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05231.html Existing methods of detecting QEMU are left unchanged for sake of backcompatibility. Signed-off-by: Daniel P. Berrange (cherry picked from commit 5588612e9e8828691f13141e3fcebe08a59201fe) (cherry picked from commit ce0609bc26d33e47b23fbbe1aa7465283a10fb10) --- src/basic/virt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/basic/virt.c b/src/basic/virt.c index ff4491d6d6..b69076214e 100644 --- a/src/basic/virt.c +++ b/src/basic/virt.c @@ -46,6 +46,7 @@ static int detect_vm_cpuid(void) { } cpuid_vendor_table[] = { { "XenVMMXenVMM", VIRTUALIZATION_XEN }, { "KVMKVMKVM", VIRTUALIZATION_KVM }, + { "TCGTCGTCGTCG", VIRTUALIZATION_QEMU }, /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */ { "VMwareVMware", VIRTUALIZATION_VMWARE }, /* https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs */