Re: [Xen-devel] [PATCH 0 of 5] p2m synchronization groundwork

[Tim Deegan <tim@xxxxxxx>]

At 22:28 -0500 on 07 Nov (1320704908), Andres Lagar-Cavilla wrote:
> This patch series lays the groundwork for improving the synchronization
> of primitives accessing the p2m.
> 
> This is a partial repost of the patches emailed previously as a RFC. 
> These patches are now intended for committing to the tree.
> 
> We change the API for accessing the p2m to a family of functions
> get_gfn/put_gfn. The name intends to reflect the fact that even lookups
> are meant to obtain exclusive access to a p2m entry, and that said access
> should be relinquished (put_gfn) when done.
> 
> The patches, however, alter little functionality. The API name change 
> does not involve yet additional locking or ref-counting. They will, however,
> throw a "barrier" that will force any new commits to conform to the new API.
> 
> Patches are based off 24066:54a5e994a241. Should the new XENMEM calls be 
> accepted before this, the series needs to be updated to also change the API
> there.
> 
> Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.

Patches 0-4 applied, thanks.  I've reviewed patch 5 separately. 

Cheers,

Tim.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel