[Xen-devel] [PATCHv7 1/3] gnttab: Introduce rwlock to protect updates to grant table state

2015-04-30 Thread David Vrabel
From: Christoph Egger Split grant table lock into two separate locks. One to protect maptrack state and change the other into a rwlock. The rwlock is used to prevent readers from accessing inconsistent grant table state such as current version, partially initialized active table pages, etc. Sig

Re: [Xen-devel] [PATCHv7 1/3] gnttab: Introduce rwlock to protect updates to grant table state

2015-05-05 Thread Jan Beulich
>>> On 30.04.15 at 15:28, wrote: > --- a/docs/misc/grant-tables.txt > +++ b/docs/misc/grant-tables.txt > @@ -74,7 +74,33 @@ is complete. > matching map track entry is then removed, as if unmap had been invoked. > These are not used by the transfer mechanism. >map->domid : owner of