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xen-devel
Re: [Xen-devel] [xen-unstable test] 6947: regressions - trouble: broken/
On 02/05/2011 14:14, "Keir Fraser" <keir.xen@xxxxxxxxx> wrote:
> We'd probably also need an extra lock to protect against concurrent
> radix-tree update operations (should be pretty straightforward to add
> however, needing to protect *only* the radix-tree update calls).
Actually this second lock would need to encompass both the logical and
physical insert/delete operations. Possibly there is already a non-IRQ lock
on these code paths that can contain irq_desc-locked regions. If not then
such a lock would need to be added.
-- Keir
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