README: Remove superfluous CPU features from QEMU command line

On Intel, x2apic is set via the CPU type. On AMD, "host" pulls in svm,
and x2apic only generates warnings with latest QEMU.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

diff --git a/README.md b/README.md
index ec39a6bcfafa43a6143b2603ebe2f5582fe6080d..a2a2ebf96494d0cf9e1cdcb5c72b6b5f42c21420 100644 (file)
--- a/README.md
+++ b/README.md
@@ -171,7 +171,7 @@ For Intel CPUs: Make sure the kvm-intel module was loaded with nested=1 to
 enable nested VMX support. Start the virtual machine as follows:
 
     qemu-system-x86_64 -machine q35 -m 1G -enable-kvm -smp 4 \
-        -cpu kvm64,-kvm_pv_eoi,-kvm_steal_time,-kvm_asyncpf,-kvmclock,+vmx,+x2apic \
+        -cpu kvm64,-kvm_pv_eoi,-kvm_steal_time,-kvm_asyncpf,-kvmclock,+vmx \
         -drive file=LinuxInstallation.img,format=raw|qcow2|...,id=disk,if=none \
         -device ide-hd,drive=disk -serial stdio -serial vc \
         -device intel-hda,addr=1b.0 -device hda-duplex
@@ -180,7 +180,7 @@ For AMD CPUs: Make sure the kvm-amd module was loaded with nested=1 to enable
 nested SVM support. Start the virtual machine as follows:
 
     qemu-system-x86_64 -machine q35 -m 1G -enable-kvm -smp 4 \
-        -cpu host,-kvm_pv_eoi,-kvm_steal_time,-kvm_asyncpf,-kvmclock,+svm,+x2apic \
+        -cpu host,-kvm_pv_eoi,-kvm_steal_time,-kvm_asyncpf,-kvmclock \
         -drive file=LinuxInstallation.img,format=raw|qcow2|...,id=disk,if=none \
         -device ide-hd,drive=disk -serial stdio -serial vc \
         -device intel-hda,addr=1b.0 -device hda-duplex