Re: [Xen-devel] [PATCH] x86/HVM: replace open-coded non-local cache flushing

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.04.14 at 16:19, <boris.ostrovsky@xxxxxxxxxx> wrote:
> Somewhat related: I also noticed that in on_selected_cpus() (that this 
> patch is replacing for flushing) we take a global lock. I wonder whether 
> this may cause scaling issues on big systems. (The same would be true 
> for flush_all/mask but to a lesser extent since at least that's a lock 
> dedicated to a particular operation)

Yes, quite possible - I think Linux has seen quite a number of
adjustments in this area over the years; perhaps time for us to re-
sync.

Jan


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