Re: Extending mmu_notifiers to handle __xip_unmap in a sleepable context?

2008-02-01 Thread Christoph Lameter
On Fri, 1 Feb 2008, Robin Holt wrote: > Currently, it is calling mmu_notifier _begin and _end under the > i_mmap_lock. I _THINK_ the following will make it so we could support > __xip_unmap (although I don't recall ever seeing that done on ia64 and > don't even know what the circumstances are for

Re: Extending mmu_notifiers to handle __xip_unmap in a sleepable context?

2008-02-01 Thread Robin Holt
Argh, Here is the correct one. Sorry On Fri, Feb 01, 2008 at 05:58:41AM -0600, Robin Holt wrote: > With this set of patches, I think we have enough to get xpmem working > with most types of mappings. In the past, we operated without any of > these callouts by significantly restricting why types

Extending mmu_notifiers to handle __xip_unmap in a sleepable context?

2008-02-01 Thread Robin Holt
With this set of patches, I think we have enough to get xpmem working with most types of mappings. In the past, we operated without any of these callouts by significantly restricting why types of mappings could remotely fault and what types of operations the user could do. With this set, I am ce