On Wed, Oct 20, 2010 at 06:12:11PM +0200, Avi Kivity wrote: > On 10/20/2010 05:56 PM, Andi Kleen wrote: > >From: Andi Kleen<a...@linux.intel.com> > > > >gcc 4.5 with some special options is able to duplicate the VMX > >context switch asm in vmx_vcpu_run(). This results in a compile error > >because the inline asm sequence uses an on local label. The non local > >label is needed because other code wants to set up the return address. > > > > Curious, any idea why gcc does that? I guess it's the unlikely() > near the top.
Don't know why, i wasn't motivated to go through its debugging dumps for this. But strictly the problem could always happen, not even a "volatile" stops that. -Andi -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
