Re: [Xen-devel] [PATCH] x86/PoD: fix (un)locking after 24772:28edc2b31a9b

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.08.12 at 14:11, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> That c/s introduced a double unlock on the out-of-memory error path of
> p2m_pod_demand_populate().

I also wonder how correct that changeset's elimination of the page
alloc lock in a number of places here is - p2m_pod_set_mem_target()'s
calculations, for example, involve d->tot_pages, which with that lock
not held can change under its feet.

Jan


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