03/06: doc: Recommend '-enable-kvm' for installing in a VM as well.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit a53a60e0a039c687a8a958f2c0f3e7eb8e09ac92
Author: Florian Pelz <address@hidden>
Date:   Tue Jun 18 13:16:33 2019 +0200

    doc: Recommend '-enable-kvm' for installing in a VM as well.
    
    * doc (Installing Guix in a VM): Add '-enable-kvm' to example.
    
    Signed-off-by: Ludovic Courtès <address@hidden>
---
 doc/guix.texi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 65c3b8a..1d80783 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2430,13 +2430,14 @@ The resulting file will be much smaller than 50 GB 
(typically less than
 Boot the USB installation image in an VM:
 
 @example
-qemu-system-x86_64 -m 1024 -smp 1 \
+qemu-system-x86_64 -m 1024 -smp 1 -enable-kvm \
   -net user -net nic,model=virtio -boot menu=on \
   -drive file=guix-system-install-@value{VERSION}.@var{system}.iso \
   -drive file=guixsd.img
 @end example
 
-The ordering of the drives matters.
+The ordering of the drives matters.  @code{-enable-kvm} is optional, but
+significantly improves performance, @pxref{Running Guix in a VM}.
 
 In the VM console, quickly press the @kbd{F12} key to enter the boot
 menu.  Then press the @kbd{2} key and the @kbd{RET} key to validate your