[libvirt] [PATCH] Enable support for nested SVM

[Daniel P. Berrange]

On Wed, Sep 22, 2010 at 11:13:06AM -0600, Eric Blake wrote:
> 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?

Yep, need that already or the test case is broken, so I will add that.

Daniel
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