Allow selection of qemu using --with-qemu

[libguestfs.git] / README

diff --git a/README b/README
index 5b22da9..b71eaa8 100644 (file)
--- a/README
+++ b/README
@@ -16,7 +16,7 @@ LVs, what filesystem is in each LV, etc.).  It can also run commands
 in the context of the guest.  Also you can access filesystems over FTP.
 
 Libguestfs is a library that can be linked with C and C++ management
-programs (or management programs written in OCaml, Perl, Python or Ruby).
+programs (or management programs written in OCaml, Perl, Python, Ruby or Java).
 You can also use it from shell scripts or the command line.
 
 Libguestfs was written by Richard W.M. Jones (rjones@redhat.com).
@@ -81,6 +81,18 @@ these commands as root:
   make install
 
 
+Note on using KVM
+----------------------------------------------------------------------
+
+If you are using x86-64, then by default the configure script will
+look for qemu-kvm (KVM support).  You will need a reasonably recent
+processor for this to work.  KVM is much faster than using plain QEMU.
+
+You may also need to enable KVM support for non-root users, by doing:
+
+  chmod o+rw /dev/kvm
+
+
 Notes on cross-architecture support
 ----------------------------------------------------------------------