Re: [Xen-devel] [PATCH v4 10/11] x86/intel_pstate: support the use of intel_pstate in pmstat.c

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.09.15 at 11:35, <wei.w.wang@xxxxxxxxx> wrote:
> Using the drinking vessel analogy, we are not putting milk and water into 
> the vessel at the same time. If the producer puts water into the vessel, then 
> the consumer simply consumes water; If the producer puts milk into the 
> vessel, then the consumer simply consumes milk. I think we don't need to 
> worry about what type of drinking is put inside the vessel, because the 
> vessel is just an intermediate place holding the liquid between the producer 
> and consumer - the consumer has the privity of contract with the producer and 
> it has the right logic to deal with what's inside the vessel.

This analogy breaks for a blind: How would he know whether there's
water or milk in there? He'd have to try it. Now what if we use venom
instead of milk in your analogy?

Bottom line - the consumer needs to know what kind of data it is to
expect to consume.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel