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-rw-r--r--system/qemu-kvm/README8
1 files changed, 8 insertions, 0 deletions
diff --git a/system/qemu-kvm/README b/system/qemu-kvm/README
index 1b864b7335..4c9a99a300 100644
--- a/system/qemu-kvm/README
+++ b/system/qemu-kvm/README
@@ -19,3 +19,11 @@ After package installation, make sure you have the KVMGROUP present on
your system and that all desired users are members of that group.
Don't forget to load the KVM-INTEL or KVM-AMD module depending on your
processor.
+
+The script builds only x86 and x86_64 Linux Target CPU emulators by default.
+If you need to emulate all target CPUs, set BUILD_ARCH to "all" but be
+aware that the compilation will take a lot longer, and you should really
+be using plain "qemu" for the others (since they can't use the KVM stuff
+anyway. The default "x86_64" value works fine for for 32-bit or 64-bit
+QEMU-KVM hosts providing full system emulation supporting Linux, BSD, and
+Windows guests.