[libvirt] [PATCH] Enable support for nested SVM

[Eric Blake]

On 09/22/2010 10:47 AM, Daniel P. Berrange wrote:

Marking patches as v2 makes it easier for reviewers to note that this is 
fixing comments from an earlier review :)

> This enables support for nested SVM using the regular CPU
> model/features block. If the CPU model or features include
> 'svm' or 'vmx', then the '-enable-nesting' flag will be
> added to the QEMU command line. Several of the models
> already include svm support, but QEMU was just masking out
> the svm bit silently. So this will enable SVM on such
> models

ACK to this patch, but...

> +++ b/src/qemu/qemu_conf.h
> @@ -93,6 +93,7 @@ enum qemud_cmd_flags {
>       QEMUD_CMD_FLAG_NODEFCONFIG   = (1LL<<  37), /* -nodefconfig */
>       QEMUD_CMD_FLAG_BOOT_MENU     = (1LL<<  38), /* -boot menu=on support */
>       QEMUD_CMD_FLAG_ENABLE_KQEMU  = (1LL<<  39), /* -enable-kqemu flag */
> +    QEMUD_CMD_FLAG_NESTING       = (1LL<<  40), /* -enable-nesting (SVM/VMX) */

...as a followup, should we add to tests/qemuhelpdata an example of qemu 
output that supports -enable-nesting, to be sure the parser works correctly?

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org