On Wed, Mar 24, 2010 at 1:26 PM, Benjamin Herrenschmidt
wrote:
> Some powerpc code needs to ensure that all previous iounmap/vunmap has
> really been flushed out of the MMU hash table. Without that, various
> hotplug operations may fail when trying to return those pieces to
> the hypervisor due to
> You want vm_unmap_aliases(), which also flushes entries in the
> per-cpu vmap allocator (and is already exported for other code
> that has similar problems).
Ok, I missed that one. I'll update my patch. Thanks.
Cheers,
Ben.
___
Linuxppc-dev mailing
On Wed, Mar 24, 2010 at 06:56:31PM +1100, Benjamin Herrenschmidt wrote:
> Some powerpc code needs to ensure that all previous iounmap/vunmap has
> really been flushed out of the MMU hash table. Without that, various
> hotplug operations may fail when trying to return those pieces to
> the hyperviso
