On Sun, May 20, 2012 at 06:15:44PM +0300, Gleb Natapov wrote: > On Sun, May 20, 2012 at 05:46:46PM +0300, Avi Kivity wrote: > > On 05/20/2012 05:43 PM, Gleb Natapov wrote: > > > > > > > > Or it can be a fixed address in low memory, or a scratch register in > > > > hardware. > > > > > > > Both will work (fixed addresses are better be avoided and who needs > > > another PV device), but I do not see how either of them is better then > > > patching. What is your concern? > > > > > > > Patching is harder to maintain. Unfortunately it's unavoidable. > > > Here we in agreement, and I was against patching till it was unavoidable, > but than pci hotplug started using it, and afterwards processor > definitions, so no point in avoiding it now by using inferior methods.
I agree as well. What's the background to needing to have dynamic S3/S4 definitions? (Why will some qemu instances be able to sleep and not others?) -Kevin