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-rw-r--r--configure.ac8
1 files changed, 4 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index e40a0422..2fd83fbe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -227,13 +227,13 @@ fi
dnl Set drive interface used by the guestfs_add_drive{,_ro} calls
dnl ('-drive ...,if=...' option to qemu).
dnl
-dnl NB. We will change the default in future to virtio, but at the
-dnl moment this causes a performance problem, RHBZ#509383.
+dnl If you encounter performance problems with virtio (RHBZ#509383)
+dnl then try '--with-drive-if=ide'.
AC_ARG_WITH([drive-if],
[AS_HELP_STRING([--with-drive-if],
- [set default driver (ide|scsi|virtio) @<:@default=ide@:>@])],
+ [set default driver (ide|scsi|virtio) @<:@default=virtio@:>@])],
[],
- [with_drive_if=ide])
+ [with_drive_if=virtio])
AC_DEFINE_UNQUOTED([DRIVE_IF],["$with_drive_if"],[Default drive interface.])
dnl Set interface used by the network. Normally you should